Expansion Joint
March 26, 2017 | Author: Neven Ahmed Hassan | Category: N/A
Short Description
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Description
PVC WATERSTOPS Advisory Design Service Extaseal External Fabrication and Fixing Details Internal Waterstop Jointing Detail Notes for use Pilecap Waterstop Profile Summary Typical Details Typical Installations
PROTECTION BOARDS AND ACCESSORIES Bitusheet HD Protection Board 58 Bituflex Fillet 54 Bituflex Protection Board 68 Bitcoat Protection Board 60 Bituminous Protection Board 59 Bitusheet Double Sided Tape 53 Bitusheet Mastic 53 Bitusheet Primer 54 Bitusheet Reinforcing Tape 53 Dual Seal Mastic 42 Dual Seal Granules 42
SECTION C DRAINAGE SYSTEMS Walldrain Slabdrain
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SECTION D EXPANSION JOINT FILLERBOARDS Expansion Fillerboards for Concrete Slabs Bitubond Cork Bituflex Expansionthene Expansionthene Heavy Duty PW Resin Bonded Cork
67 72 68 69 71 73
SECTION E DPCs, CAVITY TRAYS Standard & High Performance Grade DPCs High Build Plyload Cavity Tray Units Cavity Tray Joint Support System Plyload Insulated DPC
75 76 78 80 81 82
SECTION F JOINT SEALANTS 4254 Two Part Polysulphide Non-Biodegradeable Two Part Polysulphide Coldseal 200-90 Coldseal 200D Joint Design and Application Primer P Uraflex One Part Polyurethane Uraflex 40 Pavement Sealant Hot Poured Bitumen N1/N2 Polyethylene Foam Sealant Bond Breaker Chamfer Former Slip Membrane
84 85 86 87 88 89 90 91 92 93 94 95
SECTION G JOINTING MATERIALS FOR CONCRETE PAVED AREAS
Base Y Crack Inducer Clearcrack Heavy Duty Crack Inducer Preformed Joint Seal Clearcrack Installation Side Slab Strip Expansion Joint Seal Isolation Joint Seal Dowel Bar Debonding Sleeves Two Part Top Crack Inducer
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SECTION B
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HYDROPHILIC SELF SWELLING WATERSTOPS Dual Seal Waterstop 24 Swelltite 30 Superstop 29 Uraswell Hydrophilic Sealant 31 Dualtite Hydrophilic Expansion Waterstop 32
WATERPROOFING MEMBRANES Dual Seal Membrane Dual Seal Installation Bitusheet XL 44 Bitusheet HPS Waterproofing System Bitusheet Gas Barrier Membrane Liquid Asphaltic Compound Sealing Systems Guide Cold Applied Flexible Bitumen Emulsion Bitusheet Membrane Installation Guide
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SECTION A
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Product Selector Guide Specification Compliance Test Certificates Project References
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Index
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PVC Waterstops
Section B Bentonite Waterproofing Membranes Bituminous Waterproofing Membranes Methane Resistant Membranes Liquid Membranes Protection Boards Accessories
Section C Cavity Drainage Systems
Section D Expansion Joint Fillerboards
Section E DPCs Cavity Trays Cavity Tray Units Joint Support Insulated DPC
Section F Sealants Sealant Bond Breakers Sealant Void Formers Chamfer Formers Slip Membrane
Section G Crack Inducers Dowel Bar Debonding Sleeves Preformed Joint Seals
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Contents
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CONCRETE SLABS/ COMMERCIAL BUILDINGS
WATERPROOFING & GAS BARRIER MEMBRANES DPC’s
EXPANSION JOINT FILLERS
CRACK INDUCERS
BITUSHEET 1000g BUTUSHEET METHANE RESISTANT DUAL SEAL HIGHBUILD DPC
EXPANSIONTHENE BITUBOND CORK BITUFLEX
CLEARCRACK TWO PART BOTTOM ‘Y’
SEALERS
LIQUID
JOINTING ACCESSORIES
PRE-FORMED RUBBER
DOWEL BAR DE-BONDING SLEEVE LONGITUDINAL SEAL
COLDSEAL 200-90
SEALANT VOID FORMER BACKER ROD
HOT POURED RUBBER BITUMEN FLEXOCRETE
CLEARCRACK SEAL 20mm EXPANSION SEAL 25mm EXPANSION SEAL ISOLATION JOINT SEAL
BASEMENTS and BELOW GROUND STRUCTURES
WATERPROOFING MEMBRANES
WATERSTOPS
FIN DRAINS
WALLDRAIN SLABDRAIN BENTONITE/HDPE SELF-HEALING
BITUMINOUS SELF ADHESIVE
SELF SWELLING
DUAL SEAL
BITUSHEET XL BITUSHEET METHANE RESISTANT
DUAL SEAL SWELLTITE
P.V.C.
EXTERNAL
INTERNAL
FLAT DUMBELL CONSTRUCTION PILECAP
MEMBRANE PROTECTION BOARD
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Product Selector Guide
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WATERPROOFING MEMBRANES
BENTONITE/HDPE SELF-HEALING
BITUMINOUS SELF ADHESIVE
DUAL SEAL
BITUSHEET XL PW BITUSHEET 500g BITUSHEET 1000g BITUSHEET 1200g BITUSHEET METHANE RESISTANT
GEOMEMBRANES
FLAT DUMBELL CENTRE BULB FLAT DUMBELL HD CENTRE BULB HD
WATERSTOP JUNCTION PIECES PRE-FABRICATED UNITS
SEALANTS
FIN DRAINS
ONE PART POLYURETHANE
WALLDRAIN
‘4254’ TWO PART POLYSULPHIDE
SLABDRAIN STRIPDRAIN
POLYSULPHIDE (NON BIODEGRADEABLE)
ACCESSORIES
RE-USABLE SEALANT VOID FORMER CHAMFER FORMER DOWEL BAR DE-BONDING SLEEVE SLIP MEMBRANE BOTTOM ‘Y’ CRACK INDUCER
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CONSTRUCTION EXPANSION KICKER
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MEMBRANE PROTECTION BOARD
EXTERNAL
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DUAL SEAL SWELLTITE
P.V.C.
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SELF SWELLING
EXPANSIONTHENE HD RESIN BONDED CORK BITUBOND CORK BITUFLEX
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EXPANSION FILLERS
WATERSTOPS
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POTABLE WATER RETAINING/ SEWAGE TREATMENT STRUCTURES
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Product Selector Guide
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Walldrain Dualseal Self Swelling Waterproofing Membrane
Expansionthene Fillerboard
Bitubond Cork Fillerboard Fillerboard
Expansionthene P. W. Sealant Void Fillerboard Formers Former Joint Sealant
Hot Poured Rubber Bitumen Coldseal 200-90 Joint Sealant N1/N2 Joint Sealant Inducer
Resin Bonded Cork
Chamfer & Column Non Biodegradable
Clearcrack Crack Crack Inducer
Bituflex Fillerboard
‘4254’ 2 Part Polysulphide
Two-Part Bottom Y Crack Inducer
Dowel Bar Debonding Clearcrack Rubber Uraflex PW one-part Expansion/Contraction Sleeves Compression Seal Polyurethane Sealant Seal
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Slip Membrane
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Bitusheet Reinforcing Bitusheet Bituminous Bitudex Membrane Bitusheet Uniflex Gas Membrane Protection Board Protection Board Barrier Membrane
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FLAT X
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Swelltite Hydrophillic Bitusheet XL Waterproofing
Bitusheet Waterproofing Membranes Tape
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Pilecap Waterstop Junction Dual Seal Hydrophillic Waterstop Pieces Waterstop Waterstop Membrane
Kicker Waterstop
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Centre Bulb Waterstop
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Flat Dumbel Waterstop
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Extaseal External Waterstop Extaseal External Waterstop Construction Type Expansion Type
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Construction Products
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Dual Seal Waterstop
US Corp of Engineers Spec. CRD - C572 - 74 United Kingdom Water Fittings Byelaws Scheme Listed National Water Council Document No.4-31-02
Agrement Certified No. 97/3328 United Kingdom BBA Water Fittings Byelaws Scheme Listed
D 1751-73 Compression and Recovery Test D 545-77 Extrusion Test Weathering Test
DOE General Spec No 201 Clause 606 DOT Spec. for highway works, Part 3 Clause 1015 - 1986 US Fed. Spec. HH-FO341a Type 1 Class B
Resin Bonded Cork Expansion Joint Fillerboard
D1752-60T Type II
Self Expanding Cork Expansion Joint Fillerboard Expansionthene PW. Expansion Joint Fillerboard
D 1752-67 D 545-77 Type III
US Fed. Spec. HH-F0341a Type II Class B DOE General Spec. No. 201 Clause 606 US Std. Fmv SS302 United Kingdom Water Fittings Byelaws Scheme Listed. D.O.T. Spec. for Highway Works Part 3. Clause 1015 - 1986
'4254' Two Part Polysulphide Joint Sealant
4254
C920, Grade P, Class 25 C920, Grade NS, Class 25
US Fed Spec. No. TT-S-00227 A, B, and E ASA 116.1 - 1960 United Kingdom Warter Fittings Byelaws Scheme Listed*
'Non-Biodegradable' Two Part Polysulphide Joint Sealant
4254
C920, Grade P, Class 25 C920, Grade NS, Class 25
US Fed. Spec. No. TT-S-00227 A, B, and E ASA 116.1 - 1960 United Kingdom Water Fittings Byelaws Scheme Listed*
Uraflex PW Sealant
4254
United Kingdom Water Fittings Byelaws Scheme Listed*
Coldseal 200-90
5212
US Fed. Spec. SS-S-195b, and SS-S-200D D 2628
Bitusheet 1000 gauge Self Bonding Rubber Bitumen/polythene Waterproofing Membrane
3177 Water vapour Permeability 2782 1976 Method 320A Tensile strength 2782 1976 Method 320A Elongation
D 146 Pliability D 412 Tensile D 412 Elongation E 96 Water Vapour Permeance D 1228 Water Absorption
British Standard BS 8102
Bitusheet 1200 gauge Hot Climate Grade Self Bonding Rubber Bitumen/PVC Waterproofing Membrane
3177 Water Vapour Permeability 2782 1976 Method 320A Tensile Strength 2782 1976 Method 320A Elongation
D 146 Pliability D 412 Tensile D 412 Elongation E 96 Water Vapour Permeance D1228 Water Absorption
British Standard BS 8102
Bitusheet XL PW & HD Self Bonding Waterproofing Membrane
3177 Water Vapour permeability 2782 1976 Method 320A Tensile strength 2782 1976 Method 320A Elongation
D146 Pliability D412 Tensile D 412 Elongation E 96 Water Vapour Permeance D 1228 Water Absorption
United Kingdom Water Fittings Byelaws Scheme Listed Agrement Certified No. 94/3048 British Standard BS 8102
High Build DPC Plyload DPC
5628 Part 3 Code of Practice for use of Masonry 8215 Design and installation of Damp Proof Courses 8000 Workmanship on Building sites
Hot Poured Rubber Bitumen Sealants N1 & N2 Types
2499 1973
Agrement Certified No. 94/3048
Agrement Certificate No. 00/3689 Agrement Certificate No. 99/3623
D 1190
* When the ratio of sealant to water is not more than 1000mm2 per litre.
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US Fed. Spec. S-SS 164
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Other
Bituflex - Expansion Joint Fillerboard
Neoprene Rubber Compression Seals
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D146 Pliability D412 Tensile D638 Elongation
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D 792 D 418 D 624 D 746
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2571 2782
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PVC Waterstop Extaseal
Dual Seal Membrane
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D 792 D 418 D 624 D 746
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ASTM
2571 2782
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British Standard
PVC Waterstops Internal
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Specification Compliance
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Cardiff Newport Southampton Scotland Derby Somerset Slough Reading Ilchester Leeds Greenhythe Wales London Cambridge Swansea Glasgow Southend Oxford Kent London London Wales Swansea London Manchester London Reading Liverpool Bournemouth Bristol Hull Portsmouth Bath Hungerford Bridport Manchester Leeds Weymouth -
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The following Major Projects have been supplied with SCP Concrete Sealing and Waterproofing Materials during the past 4 years; Millennium Stadium Celtic Manor Hotel Quay West Shopping Complex BP Grangemouth East Midlands Airport Weston Super Mare STW Windsor & Eaton Flood Scheme The Oracle Centre RNAS Yeovilton M1-A1 Link Bluewater Park Shopping Complex Templeton Reservoir Daily Express Building Cambridge University Library Swansea Water Treatment Works Scottish Exhibition Centre Southend STW John Radcliffe Hospital Thanet Way Bypass Harrods British Airways, Heathrow Pontypool Bypass British Steel North Circular Road Tesco Superstore Science Museum Majeski Stadium The Royal Victoria Hospital Portman Building Society HQ Ikea Hull Waste Water Treatment Works Budds Farm Safeway Somerfield Superstore Bridport STW Leisure Development Whitehall Phase 2 Weymouth & Portland WWTW
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Project References
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Laing Kvaerner Sir Robert McAlpine Balfour Beatty Fitzpatrick Dean & Dyball Edmund Nuttall Lesterose Sunley Turriff Kvaerner/Balfour Beatty John Martin Dean & Dyball Taylor Woodrow R.G.Carter Laing Bovis Biwater Leadbitter Hocktief Kier JV John Doyle Edmund Nuttall Taylor Woodrow Tilbury Douglas Edmund Nuttall Taylor Woodrow Kier Birse John Turner Kvaerner Carey Kvaerner Amec Churngold Amey Birse Allenbuild Allenbuild Kvaerner
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A WATERSTOPS
SECTION A SCP range of Waterstops PVC Extaseal External PVC Eyeletted Internal Hydrophilic Waterstops Dual Seal Bentonite Swelltite Rubber Superstop Box Out
200mm or 250mm Extaseal Expansion Type
Expansion joint detail wall
250mm Extaseal Expansion Type Waterstop
Eyeletted Centrebulb Internal Waterstop
Expansion joint detail wall
SCP Sealant Void Former
SCP ‘4254’ Two Part Polysulphide or One Part Polyurethane Uraflex
SCP Resin Bonded Cork or Expansionthene PW Grade
SCP 4254 Two Part Polysulphide Sealant
Typical Joint Details Service Reservoir Full Void Former (2nd pour)
Construction Joint detail Floor Slab
200mm or 250mm Extaseal heavy duty section for construction and kicker application
Half Void Former (1st pour)
Construction joint detail wall
Eyeletted Flat Dumbell Waterstop
Kicker Joint Detail Wall to Floor slab
45o Column chamfer former
Half Void Former
Two layers of SCP Slip membrane
45o Chamfer Former fixed to shutter
Extaseal Waterstop
Full Void Former
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Sealant Expansion Fillerboard
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200mm Centrebulb Eyeletted Waterstop
320mm Extaseal Expansion Waterstop
260mm Centrebulb Eyeletted Waterstop
150 x 10mm Heavy Duty Flat Dumbell Waterstop
Pile Cap Construction Waterstop
Pile Cap Expansion Waterstop
150 x 10mm Heavy Duty Centrebulb Waterstop
SCP Waterstops are manufactured from high quality PVC and are specifically developed to seal joints in concrete structures. Elongation 300% (nominal) Tensile Strength 13.8/mm2 (2000 p.s.i) B.S Softness 45 @ 20oC
250 x 10mm Heavy Duty Flat Dumbell Waterstop
250 x 10mm Heavy Duty Centrebulb Waterstop
Relative Density 1.3 Complies to BS 2571 & BS 2782 U.K Water Fittings Bye Laws Scheme Listed. Meets the requirements of the National Water Councils Document No. 4-31-02 Conforms to the DWI Water Quality Regulation 25 (1) 1989
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260mm Flat Dumbell Eyeletted Waterstop
320mm Extaseal Kicker Waterstop
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250mm Extaseal Expansion Waterstop
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200mm Flat Dumbell Eyeletted Waterstop
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250mm Extaseal Construction Waterstop
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150mm Centrebulb Eyeletted Waterstop
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200mm Extaseal Expansion Waterstop
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150mm Flat Dumbell Eyeletted Waterstop
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200mm Extaseal Construction Waterstop
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305 x 6mm Heavy Duty Centrebulb Waterstop
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External Waterstops
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SCP Extaseal External P.V.C. Waterstop Description: Extaseal External P.V.C. Waterstop is a high performance, heavy duty profile waterstop specifically developed to seal joints in concrete structures at the outside surface thus protecting the reinforcing steel against corrosion attack, in addition to providing a totally watertight seal.
Uses: Extaseal External Waterstops have been independently tested to provide a totally effective water barrier up to 27m head,expansion and kicker joints in concrete water retaining and excluding structures.
Typical Profiles:
Extaseal Construction Waterstop
Extaseal Expansion Waterstop
Sizes:
Technical Data:
Type
Width (mm)
Construction Joint Expansion Joint Kicker Joint Roll Size
200 200 15m
250 250 10m
Elongation: 300% Tensile Strength: 13.8M/mm2 (2000 p.s.i.) B.S. Softness 45 @ 200C Relative Density 1.3 U.K. Water Fittings Byelaws Scheme Listed. Meets the requirements of the National Water Council Document No. 4-31-02 Conforms to the DWI Water Quality Regulation 25 (1) c 1989
320 320 10m
Typical Applications:
Construction Joint
Expansion Joint
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Internal Waterstops
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SCP Flat Dumbell and Centrebulb Internal P.V.C. Waterstop Description: Flat Dumbell and Centrebulb Internal Waterstops have been specifically developed, with their unique rib and end bulb profiles to provide a totally effective water barrier when cast centrally within
Uses: Flat Dumbell and Centrebulb Internal Waterstops have been independently tested to withstand ingress of water, up to 27m head in construction and expansion joints in water retaining and excluding structures.
Typical Profiles:
Flat Dumbell Construction Waterstop
Centrebulb Expansion Waterstop
Sizes: Width (mm) x 5mm web Type
Application
Width (mm) x 10mm web
Eyeletted
Heavy Duty
Flat DumbellConstruction Joint
150
200, 260
150, 250
Centrebulb Expansion Joint
150
200, 260
150, 250, 305
Roll Size
15m
15m
10m
Technical Data: Elongation: Tensile Strength:
300% (nominal) 13.8N/mm2 (2000 p.s.i.)
B.S. Softness Relative Density
Typical Applications:
Construction Joint
Expansion Joint 13
45 @ 20oC 1.3
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Pilecap Waterstop
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SCP Pilecap Waterstop Description: Pilecap Waterstop has been specifically developed to provide a totally effective watertight seal between the pilecap and floor slab in concrete structures. Uses: Pilecap Waterstop is used as an integral part of a waterstop network to form totally effective watertight joints between pilecaps, ground beams, floor slabs and walls in water retaining and excluding structures. Typical Profiles:
Pilecap Waterstop Construction Joint Type
Pilecap Expansion Joint Type
Typical Applications:
Elongation: 300% (nominal) Tensile Strength: 13.8N/mm2 (2000 p.s.i.) B.S. Softness 45 @ 20oC Relative Density: 1.3 U.K. Water Fittings Byelaws Scheme Listed. Meets the requirements of the National Water Council Document No. 4-31-02 Conforms to the DWI Water Quality Regulation
Construction Joint - Pilecap to floor slab
Expansion Joint - Wall base to floor slab
Type
Width (mm)
Roll Size
Construction Joint Expansion Joint
125mm x 125mm 125mm x 125mm
10m 10m
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Typical basement kicker joint
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Typical floor slab to pile cap joint
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Typical wall base expansion joint
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Typical wall base construction joint
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Typical Details
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FLAT L
FLAT T
FLAT X
VERTICAL L
In Flat Dumbell
In Flat Dumbell
In Flat Dumbell
In Flat Dumbell
In Extaseal Expansion
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FLAT T
FLAT X
FLAT L
VERTICAL L
VERTICAL T
In Extaseal Expansion
In Extaseal Expansion
In Centre Bulb
In Centre Bulb
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FLAT L
FLAT T
FLAT X
REVERSE VERTICAL L
REVERSE VERTICAL L
In Centre Bulb
In Centre Bulb
In Centre Bulb
In Extaseal Construction
In Extaseal Expansion
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MIXED VERTICAL L
MIXED VERTICAL L
MIXED VERTICAL T
MIXED VERTICAL T
MIXED FLAT X
In Extaseal Construction/ Flat Dumbell
In Extaseal Expansion/ Centre Bulb
In Extaseal Construction/ Flat Dumbell
In Extaseal Expansion/ Centre Bulb
In Extaseal Construction/ Extaseal Expansion
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SYMMETRIC CORNER
ANGLE CORNER
MIXED FLAT T
MIXED FLAT X
VERTICAL L
In Pilecap
In Pilecap
In Pilecap/Extaseal Construction
In Pilecap/Extaseal Construction
In Pilecap/Extaseal Construction (Handed)
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FLAT L
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ELECTRIC JOINTING KNIFE
JOINTING JIG
In Pilecap/Extaseal Construction (Handed)
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In Extaseal Expansion
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VERTICAL T
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FLAT L In Extaseal Construction
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FLAT X In Extaseal Construction
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VERTICAL L In Extaseal Construction
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Waterstop Junction Pieces
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Circular Fabrications
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Prefabricated Waterstop for Circular Tanks When Extaseal waterstop is required to be prefabricated to form a circle the details below can be used as a design guide to establish the number of chords required compared to the deviation obtained from a true circle. Where the circular waterstop is placed on blinding sloping towards the centre the number of chords may be reduced. Where the radial joints are required the number of chords used should be divisable by the number of radial joints. Circle Radius
No. of Chords
3.0m 3.0m 3.5m 3.5m 4.0m 4.0m 5.0m 5.0m 6.0m 6.0m 7.5m 7.5m 10.0m 10.0m 12.5m
36 30 36 30 36 30 36 30 30 24 30 24 30 24
Deviation from a True Circle. ±12mm ±17mm ±14mm ±20mm ±16mm ±22mm ±19mm ±28mm ±33mm ±52mm ±41mm ±65mm ±55mm ±87mm
Flat Waterstop laid to circle centreline.
Waterstop Fixing Details
Extaseal external waterstop incorporates an integral nailing flange along the outer edge to accept special fixings when using timber shutters. The double headed fixings are designed such that the Extaseal waterstop is located securely in the concrete and is not displaced when removing the shutter. S.R Range Fixing Clip
Internal waterstop to be securely fixed to steel re-inforcement prior to concrete pour to prevent folding over.
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SCP Advisory Design Service
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SCP offer an advisory/design service to specifiers on the use and application for all our Waterproofing Systems. Using the latest AutoCAD Software we can prepare three dimensional drawings for general arrangement and installation. Upon confirmation of details these drawings can then be ‘unfolded’ into template form for fabrication, thereby ensuring accuracy from design through to manufacture in our inspection controlled workshop environment. Our national team of Technical Sales Engineers are available to liaise with site personnel to discuss and advise
For further information please telephone 01582 842802 upon your specific requirements.
Typical Service Reservoir Waterstop Layout
Typical Circular Tank Waterstop Layout
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PVC Waterstop Jointing Detail
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Using a sharp knife cut both ends to be welded straight and square (use jig as guide)
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Locate waterstop in jig, with approx. 25mm protruding. square jig with clamp.
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Insert hot blade
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Push waterstop ends against blade
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Maintain contact until plastic melts into bead of about 5mm diameter (approx. 1 minute)
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Release jig and remove knife
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Push molten ends of waterstop together
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Allow to cool (approx. 3 minutes)
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Release jig and remove waterstop.
10 Inspect welded joint for continuity of weld and correct alignment of profiles. If the weld is unacceptable repeat operations 1-9.
Useful Tip - Cold Weather Application ■ A small piece of waterstop can be used to test temperature of blade.
■ If charring occurs, cut waterstop back and reweld.
Health & Safety Clause Welding of Flexible P.V.C. can result in the release of Hydrochloric Acid fumes. In confined areas use a respirator or use forced ventilation. Do not inhale the fumes. On open sites these precautions are not usually neccesary but care should be taken not to inhale any fumes. The electric welding knife should be properly earthed before use.
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A. Floor joints
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Waterstop - Notes for use
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External waterstop - floor/roof installations
Waterstops in floor joints are usually of the external type where the floor slab is directly supported by the ground and blinding concrete, which give support to the external waterstop enabling it to resist the hydrostatic pressure from above
The waterstop should be laid on the blinding concrete, or shuttering, whichever is appropriate, along the intended line of the joint before the bottom steel reinforcement is placed. This sets the pattern of the bays prior to concreting and allows the site welds and the overall quality of the installation to be checked. The stop end boards should then be firmly bedded on the waterstop.
If the use of internal waterstops is unavoidable, it is essential that the concrete underneath the waterstop is fully compacted.
B. Wall joints Internally placed waterstops are generally used in wall joints of water retaining structures and Externally placed waterstop in water excluding structures.
In water excluding structures when Extaseal is used in the vertical and horizontal wall joints then the waterstop should be held in place using Schlegel waterstop fixing nails through the fixing flange.
C. Roof joints
E. Jointing
External waterstops are usually used rather than internally placed waterstops to permit easier placing and compaction of concrete.
Joints between waterstops and junctions should be welded as shown on page 17 so that a continous watertight network is formed.
D. Fixing of waterstops Internal waterstop - wall installations
F. Concrete Placement and Compaction General A waterstop is only as effective as the concrete into which it is cast. Concrete does not bond to PVC and the ‘hold’ is provided by well-compacted concrete all around the waterstop. Poor compaction or placement of the concrete may lead to honeycombing with resultant water percolation around the waterstop.
Internal waterstops in wall installation may lie in either the horizontal or vertical planes within the wall. The waterstop should be supported in split-end formwork accurately wrought to match the profile of the waterstop. The shutter should hold the waterstop so that half its width is cast into the concrete at the designed position and within specified tolerances. Great care should be taken to ensure that the waterstop does not fold under the weight of placed concrete. To eliminate foldover particularly in kicker installations, the waterstop should be wired to reinforcing steel using tying wire through the tying points. The wire ties should not puncture the waterstop.
The following points should be observed prior to concrete placement. ■ Stop end shutters should be carefully blown out to remove any debris. ■ Externally placed waterstops should be thoroughly cleaned out between the sealing ribs. ■ Shutters should be checked for firmness against the waterstop to avoid grout seepage. ■ Waterstop ties should be checked to see that they are firmly fixed. ■ A final check should be made that all waterstops are correctly placed and that all junctions are correctly installed for adjacent pours.
Internal waterstop - floor/roof installations Internal waterstops are not recommended for use in floor or roof installations. However, if their use is unavoidable, the following should be observed. The waterstop should be supported in formwork as described above but should not be wired, so that it may be lifted for proper concrete placement and compaction. The waterstop should not be allowed to fold over under the weight of the concrete.
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Internal waterstop - walls Vertical Installation
F. Avoidance of damage to the waterstop Storage
The waterstop should be supported in split-end formwork accurately wrought to match the profile of the waterstop. The shutter should hold the waterstop so that half its width is cast into the concrete at the designed position and within specified tolerances. Great care should be taken to ensure that the waterstop does not fold under the weight of placed concrete. To eliminate foldover, the waterstop should be wired to reinforcing steel using tying wire through the tying points. The wire ties should not puncture the waterstop or prevent the vibrator being placed tight to the waterstop or the stop end shutter with resultant poorly compacted concrete in that zone.
Waterstops may be stored outside without protection in the UK in an area where it will not be liable to damage, by site traffic, plant or other site materials. The waterstop should be well supported so that it is not distorted or takes a permanent set during storage. The manufacturer's recommendations for the method of support and stacking height should be followed.
Installation When fixing to formwork the contractor should not puncture, cut or tear the waterstop to suit reinforcement. Waterstops are particularly vulnerable to damage when one half is bedded in concrete and the other half is exposed. Care should be taken to avoid damage by plant, site traffic etc.
Horizontal installation As with the vertical installation, folding of the waterstop should be avoided. With heavy concrete pours, the flow should be directed towards the shutter. Unless properly secured, the waterstop may fold over creating a cavity under the waterstop.
Specification Compliance SCP P.V.C. waterstops are manufactured from high quality polyvinylchloride resins and plasticisers. Tensile Strength: 13.8 N/mm2 (2000 p.s.i.). Elongation at break: 300% (nominal) B.S. Softness (B.S.2571/1955). 45 at 20˚C. Relative density: 1.30. SCP P.V.C. waterstops comply with the requirements of B.S. 2571 and B.S. 2782. Schlegel P.V.C. waterstops conform to the recommendations of the American Concrete Institute when tested to the relevant ASTM specifications (D-792, D-412, D-624 and D-746). The material specification meets the requirements of Section 2.83 of the Civil Engineering Specification of the Water Industry Issued by the National Water Council. SCP P.V.C. waterstops comply with U.S. Corps of Engineers Specification CRD-C 572-74. SCP P.V.C. waterstops are accepted for use by National Water Council (Document No. 4-31-02/June 1985). U.K. Water Fittings Byelaws Scheme Listed.
The concrete should be carefully placed around the waterstop. The concrete should be gradually poured to cover the whole waterstop, then thoroughly vibrated ensuring that the vibrator does not foul the tying wires preventing it reaching the bottom of the shutter.
Internal waterstop - floor/roof The edge of the waterstop should be lifted and the concrete beneath the waterstop placed firmly against the stop end shutter. This should then be vibrated to give good compaction with no honeycombing. After this initial stage, the waterstop should be lowered and further concrete placed around the waterstop and vibrated. Care should be taken not to push the waterstop down when vibrating. Attention should be given to reverse any natural curling tendency of the waterstop.
External waterstop - floor/roof The concrete should be poured against the stop end shutter and well vibrated to ensure compaction above the waterstop.
Conforms to the DWI Water Quality Regulation 25 (1) c 1989
* This information is for guidance only and not intended to form part of an instruction or specification.
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Waterstops – Typical Installations
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Swelltite Waterstop Hydrophillic Rubber
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Dualtite Expansion Joint Waterstop
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Uraswell Self Swelling Sealant
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Dual Seal Waterstop
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SCP Dual Seal Bentonite Description: Dual Seal Waterstop is a Bentonite based waterstop which reacts in contact with water by swelling to form a watertight seal in concrete structures. Dual Seal Waterstop has been independently tested up to 30 metre head of water, it has full WRC approval for use with potable water.
Uses: Dual Seal Waterstop has been specifically designed to seal construction joints against the ingress or outgress of liquids in water retaining or excluding structures. Dual Seal Waterstop is fixed by nailing to the face of the existing pour prior to placing the next pour. It is installed directly onto scabbled surfaces and will swell into voids up to 12mm deep. Changes of direction and end joints are simply achieved by butting together, no welding or adhesives are required. Dual Seal Waterstop can be applied to green concrete and in damp conditions.
Size: 7mm x 25mm Supplied in 8 metre rolls.
Technical Data: Physical Properties - Colour: Grey/White - Pliability: 180° bend over 2.5 cm mandral @ - 32°C - Tensile strength - % Elongation-ultimate failure of membrane: Type 4 - Resistance to water migration - Water migration at or through joint - Permeability through membrane - Installation Temperatures: - Operating Temperatures - Life Expectancy - Toxic/Staining - Freeze/thaw and wet/dry cycles Cycling over 38mm joints
Value
Test Method
1000 44.8N/mm2 600%
ASTM D146 ASTM D412 D638
No migration at 31 m head None 0.001 Perm -20°C to +60°C -43°C to +132°C Longest life expectancy of all organic membranes None No affect No deterioration 2000 cycles
U.K Water Fittings Byelaws Scheme Listed for use with potable water. Salt Water Grade available for use when salt content exceeds 2000p.p.m.
Typical Applications:
Construction Joint - Floor Slab
Construction Joint - Wall 24
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Butt Joint
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Installation Guide
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New Construction
Dual Seal Waterstop is fixed by nailing to the face of the existing pour prior to placing the next pour or lift of concrete. It can be placed directly onto scabbled surfaces and can be installed in damp conditions. The ability of the high quality bentonite to swell up to 16 times its dry volume ensures effective sealing around penetrations and onto scabbled concrete.
Refurbishment works and alternative applications Before
Dual Seal Waterstop
Dual Seal Waterstop
Extaseal Waterstop
Old Concrete
Dual Seal Membrane
Existing Membrane
Sealing Joint between old and new concrete
PVC Waterstop accidentally omitted on first pour.
After
Dual Seal Waterstop
Dual Seal Mastic Dual Seal Waterstop
Existing Membrane
Displaced PVC Waterstop.
Dual Seal Waterstop marrying to External PVC Waterstop.
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New Concrete
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Slab
Dual Seal Waterstop Protects reinforcing steel from ground water. Pile
Dual Seal Waterstop mechanically fixed around pile
Dual Seal Mastic
Dual Seal Waterstop prevents ground water from coming into contact with reinforcing steel. Dual Seal Waterstop
Bitusheet XL Waterproofing Membrane
Dual Seal Waterstop and Bitusheet Membrane detail at pile head
Dual Seal Waterstop provides a watertight barrier to reinforcing steel.
Dual Seal Waterstop installed in construction joint outside the reinforcing steel to prevent ingress of water
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Corner Overlap Joint
Dual Seal Waterstop fixed between reinforcement
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Superstop Self Swelling Waterstop
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Description SCP Superstop has been developed to provide a watertight seal in construction joints, and is particularly effective when used in ‘box out’ applications. When water comes into contact with Superstop the bentonite expands to form a pressure seal which has been successfully tested to withstand a 33 metre head of water without leakage.
Uses Superstop can be used in pre-cast or in-situ concrete installations and is ideally suited for the following applications: • Concrete Cold Joints in below ground walls • Construction Joints in Slabs • Water Treatment Works • Sewage Treatment Works • Pre-cast Concrete Panels
Application Superstop is fixed either by nailing or adhering into a previously formed 12mm x 25mm void (using a reusable void former), around the perimeter of the box out and must be confined on all four sides. Dual Seal Waterstop can be used as a puddle flange around the pipes. Concrete is then poured into the box out and compacted. Any water passing through hairline cracks between the different surfaces will cause the Bentonite to swell and form a totally watertight seal.
Sizes Superstop available in two sizes 25mm x 12mm Roll Length 6 metres 25mm x 19mm Roll Length 3.9 metres
Dual Seal 25mm x 7mm Roll Length 8 metres Superstop Waterstop Superstop Waterstop
Pile Cap
Dual Seal Membrane
Dual Seal Waterstop fixed with tying wire
Superstop Waterstop inserted into preformed rebate
Superstop Waterstop inserted into preformed rebate
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Swelltite Hydrophilic Self Swelling Waterstop
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Description: SCP Swelltite Hydrophilic Waterstop is manufactured from a neoprene polymer based hydrophilic compound and high water absorbent resins. Swelltite has been specifically designed for use in sealing construction joints between pre-cast concrete units, steel and in-situ concrete. Unlike traditional waterstops Swelltite is centrally placed and bonded flat in the joint prior to making the second pour, activated by water Swelltite will swell up to 5 times it’s volume and seal the passage of water by exerting pressure across the joint. Uses: Swelltite was primarily developed for use to provide a watertight seal between pre-cast concrete units such as concrete pipes and tunnel segments, however it can be installed into a previously formed rebate for use in in-situ concrete. Application: Surfaces must be smooth, dry and free of contamination. The surface must be primed with SCP primer ‘P’ and allowed to dry. Remove the release paper from the Swelltite and press firmly into position on the primed surface. Joints in Swelltite must be butted tightly for continuity. Where concrete is to be placed against Swelltite there must be a minimum of 75mm concrete cover. SCP Swelltite
SCP Swelltite
SCP Compression seal
SCP Swelltite
SCP Swelltite
Technical Data Expansion 5 Times volume Specific Gravity 1.62 Size 20mm x 5mm section Colour Black Roll Size 15 metres 25% Compression load -10 plus or minus 2kgf/20mm Coefficient of water expansion = 5times.
Specification Clause The Waterstop to be used shall be Swelltite 20mm x 5mm Hydrophilic rubber waterstop by SCP Concrete Sealing Technology Ltd. Surfaces to which the waterstop is to be bonded shall first be primed using SCP Primer P.
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Uraswell Hydrophilic Sealant Waterstop
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Description SCP Uraswell is a polyurethane based sealant which swells in contact with water and forms a permanent waterproof seal. Uraswell is solvent free and non-toxic and is easily applied with a barrel gun, it provides excellent adhesion on many materials including uPVC.
Uses SCP Uraswell can be used for the sealing of construction joints in concrete and for sealing between concrete prefabricated elements, such as sewage pipes etc, and is applied up to a maximum width of 20mm.
Application Leave to cure for 24 hours before pouring concrete. In order to achieve optimal performance SCP Uraswell should be applied in closed joints.
Technical Data Base Consistency Curing System Tack free time Specific Gravity Elongation at Break Slump Maximum Tension Swell
Polyurethane. Stable Paste. Moisture Cure. 12 hours (200C/60% R.H) 1.57 625% (DIN 53504) Maximum 3mm in vertical joints. 1.55 N/mm2 (DIN 53504) >250% in three dimensions.
Substrate State of Surface Preparation
Concrete, Steel, Glass, PVC. Free of dust, grease, surface may be damp. No primer required.
Joint Size Minimum width Maximum width Average
2mm 20mm 10-15mm
Application Application Method Application Temperature Clean with
Caulking Gun (hand or pneumatic) apply in continuous bead + 100C to + 300C White spirit immediately after application.
Packaging and Colours Colour Packaging
White. 600ml sausages.
Uraswell
Uraswell gun applied to kicker
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Uraswell
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Dualtite Hydrophilic Expansion Joint Waterstop
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Dualtite PVC/Bentonite Expansion Joint Waterstop Description: Dualtite Waterstop consists of a PVC profile manufactured from weldable waterstop grade material incorporating Dual Seal Hydrophilic Bentonite Waterstops, which swell in contact with water, to form a totally watertight seal. The lug on either side of the central section, ensures that Dualtite is fully embedded into the adjacent concrete surface, and its unique central core design allows the joint to open up to 50%. When Dual Seal Bentonite Waterstop is installed in Kicker or Construction Joints, it is simply butt joined to the integral Dual Seal Waterstop, in the Dualtite, to create a totally watertight system.
Uses: Dualtite Waterstop should be used in all Expansion Joints, in conjunction with a Fillerboard, when there is a requirement to keep water in or out of concrete structures. These would include Concrete Reservoirs, Water Treatment Works, Sewage Treatment Works, Canals, Flood Relief Channels and Basements etc.
Application: Dualtite is fixed centrally to the stop end shuttering, prior to the first concrete pour. When the concrete has cured and the stop end is removed, the Expansion Joint Fillerboard is then located in position, within the locator lugs, and the second pour completed. Welding of straight runs of Dualtite is achieved by using an Electric Heating Blade, and Dualtite Jig. Changes of direction are achieved using Factory-made Junction Pieces and Intersections
Sizes: Roll length - 8 metres Joint Width - Suits 20mm & 25mm Expansion Fillerboard
Technical Data: PVC Profile Test Standard
Property
Typical Result
BS.2782 Tensile Strength BS.2782 Elongation at break BS.2751 B.S. Softness BS.2782 Density WRc Approved for use in contact with Potable Water
13.8N/mm2 (2000psi) 300% (nominal) 45 at 20oC 1.30
Bentonite Waterstop Property
Typical Result
Resistance to water migration Toxic/Staining Freeze/thaw and wet/dry cycles Cycling over 38mm joints WRc Approved for use in contact with Potable Water
No migration at 31m head None No effect No deterioration 2000 cycles
First Pour
Fillerboard Dual Seal Waterstop
Dualtite
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Installation: Dualtite Bentonite Expansion Joint Waterstop is simply nailed to the shuttering prior to the first pour. The lugs secure the waterstop to the concrete as in a conventional waterstop, however, the Dual Seal Bentonite waterstop acts as a secondary barrier. Should water try to track across the joint. This combination provides the reassurance of installing a mechanical sealing system based on the passive valve and tortuous path systems pioneered by the Cement and Concrete Association during the early 1970's, together with the active water swelling sealing systems of the 1990's. Specifically for use in concrete expansion joints where an active waterstop is required to provide maximum integrity. Dualtite is easy to install and is fully compatible with the SCP range of construction type waterstops, it can be easily welded on site thereby providing a cost effective solution and simplifying transition between construction and expansion joints with a range of prefabricated junctions available. Dual Seal waterstop is used on it’s own within construction joints, but when fully integrated within Dualtite offers many advantages. Typical Applications:
Shuttering Shuttering Void Former Fillerboard
Dual Seal
Dual Seal Dualtite Waterstop nailed to Stop End
Dualtite
Setting out the Formwork
1st Pour
Dualtite Waterstop
Sealant Dual Seal Waterstop
Fillerboard Fillerboard Sealant
Dualtite Waterstop Plan
2nd Pour
Construction to Expansion Joint Detail
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SCP range of Waterproofing Membranes Bitusheet XL Bitusheet HPS Bitusheet Gas Barrier Bitusheet Primer Bitusheet Accessories Self Swelling, Self Healing Dual Seal Protection Boards Bituminous Bitcoat Bitudex Bituflex
B WATERPROOFING MEMBRANES
SECTION B
Service Pipe
Dual Seal Waterstop Extaseal Waterstop
3mm Bituminous Protection Board Butt Joint Bitusheet XL Membrane
Dual Seal Waterstop Butt Joint
Bitusheet XL Membrane
Dual Seal Waterstop
Bentonite Granules
Dual Seal Membrane
HDPE Sheet
Dual Seal Membrane Laid with HDPE Side Up / Bentonite Down
Dual Seal Waterstop
Reinforced Slab
Tape at Joints
Vertical Construction Joint
SLAB
Typical Overlap Joint Vertical Applications Bentonite Face to Concrete
Pilecap Waterstop Dual Seal Membrane
Bitusheet XL
Walldrain Bitusheet XL
Bituminous Protection Board
Bitusheet XL Backfill
Bitusheet Fillet
Bitusheet XL SCP Walldrain Wall/Slab Waterproofing and Drainage Detail
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Pipe Penetration Detail for Bitusheet Gas Barrier Membrane
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Bitusheet Mastic Fillet 40 x 40mm
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Bitusheet XL Membrane
Bitusheet Gas Barrier Membrane
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Bitusheet XL Membrane
Reinforcing Strip
Bitusheet Mastic
Bitusheet Gas Membrane
Concrete Bitusheet HPS Membrane
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Bitusheet XL - Cross laminated Heavy Duty HDPE membrane coated with self bonding polymer modified bitumen.
For use in below ground structures as external tanking and as a roofing membrane in covered concrete reservoirs.
Bitusheet Gas Barrier Membrane - HDPE film laminated to an aluminium foil and coated with a self bonding polymer modified bitumen.
For use in below ground structures, and under ground slabs when it is necessary to prevent passage of methane or radon gas into the building.
Bitusheet HPS Moisture sensitive - Cross laminated heavy duty HDPE waterproofing system, used in conjunction with moisture sensitive primer.
For use in below ground structures, retaining walls etc., when the surface is damp to touch. Used in conjunction with Bitusheet HPS Primer.
Liquid Asphaltic Compound - Used in Two coats to provide a damp proof membrane in solid floors or for protecting foundations, retaining walls, abutments, beams, lintels and similar structures against moisture and attack from sulphates contained within the soil.
Liquid Asphaltic Compound
Dual Seal Membrane Dual Seal Membrane
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Dual Seal Membrane - High Performance water reactive Bentonite, laminated to a tough thick HDPE sheet.
SCP range of Protection Boards. Suitable in all applications for protecting tanking membranes against backfill. • 3mm Bituminous Protection Board.
For use when external water, weather or ground conditions exist.
Bitusheet Double Sided Tape. A versatile bituminous tape used For bonding waterproofing membranes, DPCs and for achieving lap joints between compatible materials. Available in 50,75,100,150 and 300mm wide standard roll widths. All roll sizes are 15 Lm
• 6mm Bituminous Protection Board. • 3mm Bitcoat Protection Board. • 1.5mm Bitusheet HD Protection Board. • 3mm Bitusheet HD Protection Board.
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Bitusheet XL Tape. Used as an overband tape for the sealing of membranes to membranes. Also used for penetrations and repairs etc. Available in 100,150 and 300mm wide standard roll widths. All roll sizes are 20 Lm
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Dual Seal Membraine
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SCP Dual Seal Bentonite/HDPE Waterproofing Membrane Description: Dual Seal is a high performance self swelling, self healing waterproofing membrane comprising of a thick, tough, high density polyethylene sheet laminated to 4kg/m2 of quality Bentonite granules. The Bentonite used in the manufacture of Dual Seal is capable of repeated cycles of wetting and drying without deterioration of its sealing properties and has a life expectancy measured in thousands of years. It has WRC approval for use with potable water.
Uses: Dual Seal waterproofing membrane has been specifically developed for use as a high performance waterproofing membrane to provide a totally watertight barrier in below ground concrete construction, including basements, underground car parks, plant rooms, access tunnels etc. Dual Seal Membrane can be installed in damp conditions and is, therefore, particularly suitable for use as a roof waterproofing system for earth covered potable water reservoirs.
Benefits: ■ Provides a totally watertight barrier which is 10 times greater than concrete ■ Resistance to Hydrostatic head of water of 46m ■ Can be applied immediately shutters are struck to wet surface/green concrete ■ Can be installed in damp conditions ■ Prevents tracking of water between membrane and concrete surfaces ■ Surface does not require priming
■ ■ ■ ■ ■ ■
Sizes:
Dual Seal Construction:
HDPE Thickness:
0.5mm
Total membrane Thickness:
5mm
Roll Width:
1.22m
Roll Length
7.32m
Coverage per roll (allowing 50mm overlaps):
8.59m2
Installation temperature -30°C to +50°C Easily installed by non-skilled operatives Non-toxic Eliminates need for separate protection board Does not require welding In excess of 5,000,000m2 successfully installed worldwide ■ U.K. Water Fitting Byelaws Scheme Listed for use with potable water.
HDPE Carrier Sheet
High Quality Bentonite Coating
Technical Data: Physical properties Tensile Strength: Membrane N/mm
Value
Test Method
27.50 N/mm
ASTM D412
% Elongation at Break
700%
D638 Type
Puncture Resistance
43kg
FTMS 101B
Resistance to Hydrostatic Head (Metre of Water)
46m
ASJM D751 method a
Resistance to micro organisms (bacteria, fungi, mould, yeast)
Unaffected
2
2
Conforms to the DWI Water Quality Regulation 25 (1) c 1989
Note: Contact SCP whenever conditions of acid, alkali or salt brines exist. Do not apply in standing water, over snow or ice.
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Dual Seal Membrane laid on blinding with Bentonite (grey) face to underside
Dual Seal Waterstop Dual Seal Membrane installed with Bentonite (grey) face toward concrete
Backfill placed directly against HDPE (black side) of Dual Seal Membrane Dual Seal Mastic
Plyload high performance cavity tray
Bentonite to Bentonite lap joint
Dual Seal Membrane mechanically fixed at 500 centres and where terminated. All joints to be overbanded using 100mm wide
300mm Bitusheet self adhesive reinforcing strip adhered to primed substrate
Plyload dpc F.G.L
Dual Seal Mastic
Dual Seal Membrane installed with Bentonite (grey face) to underside
Dual Seal Membrane installed with HDPE (black side) toward contiguous piling
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Dual Seal on concrete blinding
Reinforcement placed directly on Dual Seal Membrane
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Dual Seal Waterproofing membrane
Batten fixing to edge of Dual Seal Waterproofing Membrane
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Batten fixing to edge of Dual Seal Waterproofing Membrane
Dual Seal Waterproofing Membrane
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Installation Inspection: A.
B. C. D.
General: Examine surfaces specified to receive waterproofing to ensure that they are in a condition acceptable to manufacturers recommendations. Ensure that voids greater than 10mm are filled with grout, and sharp protrusions over 10mm are removed. Do not Install membranes in standing water. Ensure that where tapes are used that the surfaces to which they are to be adhered are free from dirt, dust, snow, ice release oils and other contaminents. Horizontal surfaces should be swept clean, particularly the surface of the wall footing.
Preparation: A. B.
Layout: Anticipate conditions prior to start of work. Note termination and penetration positions to determine methods for ensuring a watertight envelope. Fillets: Form fillets with 50mm of Dual Seal Mastic, or Dual Seal Granules at intersections of walls and footings . Form fillets with mastic at the inside of vertical corners and around penetrations.
Installation: A.
Install the Dual Seal Membrane where shown on the drawings and in accordance with the manufacturer’s recommendations as approved by the Architect and/or Engineer. Note: In horizontal applications Dual Seal is normally installed with the bentonite face down, however, Dual Seal LG may be installed under a floor with the bentonite side up depending on the weather and site conditions.
Bentonite Side down: A.
B. C.
D. E.
Dual Seal membrane is laid directly onto blinding prior to the laying of the slab, however if the substrate consists of soils, sand, gravel or crushed stone ensure that the aggregate does not exceed 12mm, a 1000g polythene sheet should be used so that the bentonite expands against a smooth substrate. Unroll sheet fully and place the membrane over prepared surfaces in such a manner as to ensure minimum handling. Install membrane with bentonite side down lapping the edges by 50mm. Tape all overlaps using Bitusheet tape and extend the membrane by 300mm at perimeter to allow sufficient overlap with the vertical membrane and mechanically fix at the toe. Fit closely and seal around pipe penetrations as recommended. Inspect and repair any damaged material before placing the concrete, by placing a square of membrane over the damaged area and fully tape in position.
Bentonite side up: A
B. C. D. E. F. G.
Ensure that substrate is level and compact. Substrate may consist of soils, sand, gravel or crushed stone provided they are 12mm or smaller in diameter. Ensure that temporary cover is provided to the bentonite to prevent premature expansion. Unroll the Dual Seal LG fully and lay the membrane over the prepared surface, Install Dual Seal with edges overlapped by a minimum of 50mm. Joints may be stapled every 200mm. Extend the Dual Seal Membrane 300mm up or beyond the perimeter slab. This will be used later to tie in vertical membrane. Fit closely around pipe pentrations as recommended. Inspect and repair any damaged material before placing the concrete. Protect exposed bentonite from moisture by taping at joints and covering with a polythene strip at edges.
Vertical Backfilled Walls: A. B. C.
D.
E. F.
Inspection - Confirm that all areas to receive the membrane are suitably prepared. Form fillets at vertical wall / horizontal intersections with Dual Seal mastic and seal at vertical inside corners, under ledges and at penetrations. Place the membrane over prepared surfaces where shown on the drawings. Dual Seal is generally installed vertically to the outside wall, however it can be installed horizontally along the wall. The HDPE (black) side which should always face the installer when it is being fixed, however an exception to this would be if it was being used in blindside concrete when it is fixed to permanent shuttering in which case Dual Seal LG must be used. After unrolling, the Dual Seal should be nailed across the top, mechanically fixing the membrane every 300mm and allowing the sheet to hang down onto the footing. Install 2nd sheet by overlapping onto the first sheet by 50mm. Pull taught and nail through both sheets at the overlap area, followed by Bitusheet tape centred over the overlap joint, to prevent stones and debris entering the joint. Properly treat all penetrations by cutting a seperate section of the membrane to fit snugly around penetrations and bed on a 50mm triangular Dual Seal mastic fillet. Terminate the membrane at top of walls by mechanically fixing at 300mm centres and make certain that the membrane extends to form continuity with the above ground waterproofing details. 41
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SCP Dual Seal Mastic Description: A trowlable mastic comprising of a special formulation of expandable minerals and elastomeric compound which expands and stiffens in the presence of water to form an impervious barrier to water penetration.
Uses: For use with Dual Seal Waterproofing Membranes to form a 45˚ fillet in internal corners, around pipe entries and penetrations. It is also used for filling voids, tie holes and honeycombing prior to installation of the Dual Seal Waterproofing Membrane.
Sizes: Supplied in 19 litre pails.
Technical Data: Material:
Typical Application: Expandable minerals and elastomeric compounds
Colour:
Grey/Black
Water Migration Resistance:
100%
Coefficient of Permeability:
10 x 10 -10
Specific Gravity:
1.2
Typical Pipe Entry Detail
Dual Seal Granules SCP Dual Seal Granules Description: A high swelling sodium bentonite in granular form which reacts when in contact with water and forms an impervious gel.
Uses: Used in conjunction with Dual Seal Waterproofing Membranes to form a fillet at wall to floor transitions and penetrations through horizontal surfaces.
Sizes: Supplied in 22.7 kg (23.6 litre) bags
Technical Data: Material:
High Swelling Sodium Bentonite Granules
Colour:
Grey
Density:
960kg/m3
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Backfilled without the need for Protection Board
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Dual Seal Membrane easily installed around columns
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Suitable for installation in areas with a high water table.
Dual Seal Membrane used in conjunction with SCP Walldrain
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SCP XL Self Bonding Waterproofing Membrane Description: Bitusheet XL waterproofing membrane consists of a self bonding polymer modified bitumen which is covered on one side by a tough two ply cross laminated polythene film and protected on the other side by a release sheet which is removed prior to the bonding of the material on to a suitably prepared substrate. Once the release sheet has been removed the membrane can be easily applied by roller pressure. Available in Temperate . Incorporating a 50mm selvedge on one edge to form homogenous overlap joints.
Uses: Bitusheet XL is intended for use as a self bonding vertical or horizontal damp proof membrane in tanking below ground structures, subways and retaining walls.
Sizes: Technical Data: Rubber Bitumen thickness Polythene backing Total thickness Roll width
ASTM D146 ASTM D2240 ASTM E154 ASTM D1228 ASTM D471 ASTM D1191 ASTM E96
ASTM D1004 ASTM D638 BS 2782 BS 2782 Method 320 ASTM D573
BS 2782 Method 320 MOAT 5.1.4
1.4mm 0.1mm 1.5mm 1050mm
Roll length Roll weight Area of roll Overlap
19.05m 34kg 20m2 Edge 50mm with selvedge End 100mm
Test
Typical Result
Low temperature pliability Durometer hardness type A Puncture resistance Water absorption (2 hours) Water absorption (670 hours at 70°F) Slump on 90° gradient 6 hours @ 70°C Water vapour transmission 25°C. 75% rh transmission Tear strength Longitudinal Tear strength Transverse Tensile strength Longitudinal Tensile strenght Transverse Compound Elongation Elongation at break
Better than - 5°C 60 230N 0 0.12% 0
0.23 g/m2 per day 380N/mm 360N/mm 42N/mm2 51N/mm2 1250% 210%
Percentage change in elongation after heat ageing at 70°C. Dimensional Stability (2 weeks at 60°C) Longitudinal Transverse Bond strength of self Bond strength to primed concrete
0.1% -0.2% 40 N/cm 20N/cm
Membrane strength Water penetration at joint
50 N/cm 0%
Bitusheet XL Membrane United Kingdom Water Fittings Byelaws Scheme Listed. British Board of Agrement Certified No. 94/3048. Conforms to the DWI Water Quality Regulation 25 (1) c 1989
For installation guide refer to page 48. 44
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Below ground tanking
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Bitusheet HPS Waterproofing System
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SCP HPS Waterproofing System for damp and difficult conditions. Description: Bitusheet HPS Waterproofing System consists of SCP's widely used Bitusheet range of Cross Laminated membranes, applied in conjunction with SCP's high performance primer. These components have been specifically developed to promote a high bond strength between Bitusheet membranes and substrates with damp or difficult conditions and where performance is required at temperatures down to -100C
Uses: The Bitusheet HPS Waterproofing System is designed for use where unusually low temperatures are evident and where dampness exists on the substrate. It is ideal for basement applications and previously covered earth/concrete reservoir roofs which are being renovated. Bitusheet XL on Bitusheet HPS Primer
Bitusheet XL on Bitusheet HPS Primer
300mm Bitusheet Reinforcing Strip
Extaseal Waterstop
Slip Membrane
Extaseal Waterstop Bitusheet XL
SCP Protection Board
Winter Conditions: The Bitusheet HPS Waterproofing System can be installed in most conditions and whilst having a wide temperature tolerance should not be applied when the temperature is 3oC or more below dew point because of the risk of condensation, or when temperatures exceed 60oC. With decreasing temperature the membranes will stiffen. This will not cause any significant problems with installation down to the minimum temperature of 5oC. Bitusheet membranes remain functional and flexible to well below -10oC and will remain stable up to a normal maximum of 60oC. Where severe temperatures down to -30oC are expected Dual Seal membrane should be used (see Technical Data Sheet No.44)
Application: Ensure that the substrate is clean and free from surface water and sharp protrusions. Apply the primer evenly by brush or spray, avoiding pooling and over application. Allow to dry before applying the membrane. If the application of Bitusheet is delayed more than 4 hours after priming, the surface must be re-primed.
HPS Primer Description: A pink mobile liquid designed to improve the bond between Bitusheet and Substrates.
Application: All surfaces must be clean and free from loose matter. Primer can be applied by brush or roller, at temperatures to below -100C, providing that the surface is completely dry prior to application of membrane.
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Unit g/cm3 secs wt.% M2/litre 0°C
Bituminous Protection Board
Bitusheet XL on HPS Primer Bitusheet Reinforcing Strip Bitusheet XL on HPS Primed surface
Bitusheet Reinforcing Strip
Internal Corner Vertical Application
External Corner Vertical Application
Technical Data: Test ASTM D146 ASTM D2240 ASTM E154 ASTM D1228 ASTM D471 ASTM D1191 ASTM E96
ASTM D1004 ASTM D638 BS 2782 Method 320 ASTM D573
BS 2782 Method 320 MOAT 5.1.4.
Low temperature pliability Durometer hardness type A Puncture resistance Water absorption (2 hours) Water absorption (670 hours 70oF) Slump on 90o gradient 6 hours @ 70oC Water vapour transmission 25oC. 75%rh transmission Tear strength Longitudinal Transverse Tensile strength Longitudinal Transverse Compound Elongation
Typical Result Bitusheet XL Better than -5oC 60 230N 0 0.12% 0
0.23g/m2 per day 380N/mm 360N/mm 42N/mm2 51N/mm2 1250%
Percentage change in elongation after heat ageing at 70oC Dimensional stability (2 weeks at 60oC) Longitudinal change Transverse change Bond strength to self Bond strength to primed concrete
-0.1% -0.2% 40N/cm 20N/cm
Membrane strength Water penetration at joint
50N/cm 0%
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Preformed Units Available for HPS System
Preformed Units Available for HPS System
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Value 0.87 to 0.93 30 to 40 15 to 25 8 to 12 approx.0 Brush or Roller
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Property Specific Gravity Viscosity Solids Rate of Application Flashpoint Application
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SCP HPS Waterproofing System for damp and difficult conditions.
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Bitusheet HPS Waterproofing System
1.40mm 0.1mm 1.5mm 1050mm 19.05m 34kg nett 20m2 50mm with selvedge 100mm
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SCP
SCP Bitusheet Gas Barrier Self Adhesive Membrane Description: Bitusheet Gas Barrier Membrane is a high density polyetheylene sheeting laminated to aluminium foil and coated with a self adhesive bitumen/polymer compound.
Uses: Bitusheet Gas Barrier Membrane is designed for use as a cold applied flexible membrane to provide a barrier to Methane and Radon gases. Incorporating a 50mm selvedge on one edge to form homogenous overlap joints. Bitusheet Gas Barrier Membrane may be laid onto concrete blinding or directly onto compacted sand blinding with the longitudinal and end overlaps sealed.
Sizes: Rubber Bitumen thickness
1.40mm
Polythene backing/Aluminium foil
0.10mm
Total thickness
1.50mm
Roll Width
1050mm
Roll length
19.05m
Roll Weight
34kgs
Area per roll
20m2
Overlap Edge & Ends
150mm
Membrane Construction Aluminium Foil
Cross Laminated H.D.P.E. Carrier Sheet
Bitumen Polymer Compound
Release Sheet
Technical Data: Backing Type Membrane Strength Elongation Puncture Resistance Adhesive 180 peel Water Vapour Permeability Methane Gas Permeability Water Penetration % Joint Dimensional Stability Longitudinal Lateral Radon gas permeability
HDPE/Aluminium Laminate BS2782 Method 320 BS2782 Method 320 ASTM E154 ISO/R527 BS3177 W.L. MOAT 5.1.4. MOAT 5.1.6. (70C)
N/cm % N N/cm g/m2/24h ml/m2/24h %
m2/sec
NRPB
45 300 250 36
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