Sheetseal Primer is used on all vertical or inclined surfaces to aid adhesion of the Sheetseal 226. Sheetseal Primer is used on all vertical or inclined surfaces to aid adhesion of the Sheetseal 226. pdf. A cold applied, high density polyethylene film typically used to provide a water and water vapour barrier in all forms of construction. Search for the ideal RIW waterproofing product to suit your jobs, from Sheetseal Primer to Sheetseal Tanking, and enjoy free delivery with Insulation The store will not work correctly in the case when cookies are disabled. Ex VAT. RIW Sheetseal Primer. 05m x 19. May also be used as a curing membrane. VAT) Add to basket. Sheetseal Primer is a bitumen solution. Membrane. BIM objects. 25ltr 25ltr RIW Sheetseal GR Product Roll SizeEpoxy Adhesives & Primers; Epoxy Based Resin Repairs; Ewi; Formwork Treatment; Masonry Repair Systems; Polyester Based Resin Repairs; Protective Coatings; Reinforcement; Resin Injection;. Sheetseal 9000 DPC is a flexible polymeric damp proof course sheet material, manufactured from a mixture of thermoplastic polymers and additives. STOT RE 1: H372 - Causes damage to organs through prolonged or repeated exposure . Sheetseal Reinforcing Strip. Is the RIW Sheetseal 9000 DPC easy to handle and install? Yes, the product is flexible and easy to handle, allowing for convenient installation. Sheetseal 9000 DPC and all commonly used DPC material, except those with a polymer base. Primer The substrate must be primed with FLEXISEAL 500 CONCRETE PRIMER prior to application of the FLEXISEAL 500 HG membrane with a brush or roller. Link with Structureseal. Key. 65 each. Download data sheets Search products by application Download typical. Self-adhesive cold applied high density PE film self adhesive membrane. RIW Sheetseal 226 is typically used to provide a water and water vapour barrier in all forms of construction, particularly where large unobstructed areas are to be treated. RIW LAC ® (LIQUID ASPHALTIC. 65 each RIW SHEETSEAL GR Sheetseal GR is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone release paper. The product is typically used for waterproofing retaining walls, floors, reservoir roofs, etc. Customer Sales 01753 944210. button. D. Sizes: 3mm x 0. Quick Overview ** Delivery to Scotland or Wales will be at a higher courier cost. RIW LAC ® (LIQUID ASPHALTIC. Sheet. with a 300mm strip of RIW Sheetseal 226. 05m. £241. 2. Methane gas permeability < 0. View. pdf. The product generally requires a primer for vertical or sloping surfaces ie: Sheetseal Primer. 05m x 19. STOT SE 3: H336 - May cause drowsiness or dizziness. From £35. 285m x 1. RIW products are non-returnable due to shelf-life and quality control. Cementseal is a two component, polymer modified cement based waterproof coating for concrete and masonry, with excellent adhesion to prepared substrates. 5ltr - SKU: 007B15 / 25ltr - SKU:. RIW Flexiseal Pro NBS Clause. POA . RIW Sheetseal primer is a bitumen solution. Primer Sheetseal 226 x 300mm wide Sheetseal 226 or Flexiseal Pro (one coat) Concrete blinding Waterstop (Optional) Protection Board (Optional) Sheetseal 9000RIW Sheetseal Primer 5L. Technical number: 01753 944200. co. 58 (inc. Product code : 82CSS226. Sheetseal 226 is a cold applied high density polyethylene film coated with a bitumen/rubber self-adhesive layer with a removable reinforced silicone paper. RIW in the UK has over 90 years experience in structural waterproofing. Consult RIW for galvanised steel and / or other treatments. Sheetseal Primer. RIW Sheetseal 9000 . RIW Sheetseal 9000 DPC is strong and flexible with good workability, for building into masonry to provide an efficient method of. VAT) £108. High performance DPC Reaction to fire: Class F Water Tightness: PassRIW / 02: RIW Sheetseal Primer 2. and pre-treated with a steel primer, prior to application of the membrane. When designing Type A structures (as classified in UK BS8102:2009), the product applied. RIW Sheetseal 226 19. Liq. Download. Upload: others. Sizes. Coverage: 5-7m/ltr. £314. 39 (inc. 2. Based on a composition of Ethylene Propylene rubbers and polyester fibres which increases the tensile strength and elongation at break making the system more resistant to tearing and puncturing. BENEFITS l Compliant with BS 8485: 2015 l Methane and carbon dioxide barrier RIW. POA. RIW Sheetseal 226- a flexible sheet membrane, used over the Liquid Asphaltic Composition, for reinforcing areas subject to movement. STOT RE 1: H372 - Causes damage to organs through prolonged or repeated exposure . Sheetseal Primer is a bitumen solution. Sheetseal Primer Exposure Pattern - General population Naphtha (Petroleum), Hydrosulfurized Heavy; Low Boiling Acute inhalation - Systemic effects 570 mg/m³ Long. VAT) Add to basket View. I. Sheetseal GR is typically used where a methane and carbon dioxide gas barrier is required, combined with the waterproofing. Compare this product to another (up to 4. You can easily cut it using a craft knife and it's tough yet flexible. Typically HDPE Sheeting is used as an external or internal basement tanking system or ground floor DPM, particularly where large areas. BIM objects. uk Email address of the competent person [email protected] x 1. Category: Documents. £39. Coverage: Membrane 20m² . 2. Sheetseal 9000 DPC is a flexible polymeric damp proof course sheet material manufactured from a mixture of thermoplastic polymers and additives. 3 RIW Sheetseal Primer is flammable with a flashpoint of 34°C and must be stored away from ignition sources. 05m x 19. Sheetseal Primer is used on all vertical or inclined surfaces to aid adhesion of the Sheetseal 226. VAT)RIW Sheetseal 226 - a flexible sheet membrane, used over the Liquid Asphaltic Composition, for reinforcing areas subject to movement. RIW manufacturer products such as the RIW Cementseal, a waterproof coating that is available to purchase from our site in 15kg. Flexiseal Type Size Coverag RIW Flexiseal 6, 25kg 2m2/kg/coat RIW Flexiseal Primer 5, 20 litres 8m2/litre. Must be used with Sheetseal Primer Size: 1. Liq. Easy application; Use a brush, roller or spray to apply; How to use RIW Sheetseal Primer Sheetseal Primer is used on all vertical or inclined surfaces to aid adhesion of the Sheetseal 226. 05m x 19. pdf. 05m x 19. Waterproofing above ground level; Waterproofing at ground level; Waterproofing below ground level; Gas proofing;1. Excellent low temperature flexibility. Emergency telephone number Emergency. 05m RIW products are non-returnable due to shelf-life and quality control. Typical uses. Product code : 82CDPC. RIW Sheetseal 226 is a cold applied, high-density polyethylene film (HDPE sheeting), coated with a bitumen/rubber self-adhesive layer with a removable reinforced silicone paper. Applying Damp Proof Membranes. 4. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. Verified by manufacturer 7 months ago . LAC ® is typically used on structures below ground level, and as a damp proof membrane to ground floors. VIEW BASKET. Sheetseal Primer is used on all vertical or inclined surfaces to aid adhesion of the Sheetseal 226. Details of the supplier of the safety data sheet Company RIW Limited Address Arc House Terrace Road South Binfield, Bracknell Berkshire RG42 4PZ Web Telephone 01344 397788 Email enquiries@riw. Please call the Sales line for more information on 01753 944210. POA. Cementseal is a two component, polymer modified cement based waterproof coating for concrete and masonry, with excellent adhesion to prepared substrates. Sheetseal Primer is a bitumen solution. STOT RE 1: H372 - Causes damage to organs through prolonged or repeated exposure . RIW Sheetseal Primer. Enquire Now View. RIW RIW. and pre-treated with a steel primer, prior to the application of the membrane, in two coats, at the rate of 2. The membrane should primers including alkyd, chlorinated rubber and epoxy based paints. 3 ml/m²/24hr. 2. Sheetseal Primer is used on all vertical or inclined surfaces to aid adhesion of the Sheetseal 226. 00. Sheetseal 226 is typically used as a basement tanking system or as a ground floor damp proof. pdf. Your product has been successfully added to your basket. Post on 02-Oct-2021. Contact us: 01344 397777 technical@riw. Sheetseal Primer is a bitumen solution. 1 g/m²/24hr. Prevent further spillage if safe. Sheetseal Primer is a bitumen solution. Proofex Primer 25ltr. How to Specify. RIW products are suitable for a wide range of applications, from basement tanking to at and above ground level waterproofing. For more information, please speak to our customer service team who will be happy to help you. RIW Sheetseal GR Data Sheet. Add to Wish List Add to Compare. 3 g/m²/24hr. RIW Sheetseal Primer 5L. RIW Limited 487-488 Ipswich Road, Slough, SL1 4EPFlexiseal Type RIW Flexiseal RIW Flexiseal Primer Size 6, 25kg 5, 20 litres Coverag 2m2/kg/coat 8m2/litre 17 Ancillaries Protection Board/Sheetseal Type RIW Protection Board RIW Sheetseal 9000 DPC Size 3mm x 1. Sheetseal Ancillaries Membrane Primers Sheetseal primer is a bitumen solution. 7. Protection Board RIW. 1 g/m²/24hr. Sheetseal Primer. Sheetseal Primer is a bitumen solution. RIW are a leading waterproofing and damp proofing product supplier. RIW Sheetseal 226 is a cold applied, high density polyethylene film typically used to provide a water & water vapour barrier in all forms of construction. 05m roll (20m²) Sheetseal Primer. Download data sheets Search products by application Download typical. 17 (inc. RIW SHEETSEAL 226 Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. BENEFITS Water and water vapour barrier Factory controlled thickness Elastic and flexible No drying timeRIW SHEETSEAL 226 Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. Basement Tanking System Sheetseal 226 is typically used as a basement tanking system, or as a ground floor damp proof membrane; particularly where large unobstructed areas are to be waterproofed. Detail 4 - External Continuity detail Cementfill HB Fillet Sheetseal Primer Sheetseal 226 Sheetseal 226 reinforcing strip x 300 wide 40mm mortar fill Masonry Internal supportingRIW Cementseal Primer Data Sheet. Description. 4. BIM object from RIWWe supply a wide range of waterproofing products from market leading brands; cementitious, liquid & membrane products along with associated ancillaries. Sheetseal Primer is used on all vertical or inclined surfaces, to aid adhesion of the. POA. Size: 300mm x 20m Roll. It is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen/rubber self adhesive layer . Sheetseal 9000 DPC can be installed in all weather conditions which permit normal building work to be carried out. Specifications. Bituthene 4000 20m x 1m. RIW Flexiseal Primer is a solvent free brown liquid pre-polymer based on M. Product code : 82CSS226. Sheetseal GR is a cold applied, high density polyethylene film, bonded to aluminium foil and coated with a bitumen/rubber self-adhesive layer with a removable reinforced silicone release paper. Basement Tanking System. Corroded metal should also be treated with an anti-corrosive primer. BENEFITS l Methane and carbon dioxide barrier l Water and water vapour barrierFlexiseal Type RIW Flexiseal RIW Flexiseal Primer Size 6, 25kg 5, 20 litres Coverag 2m2/kg/coat 8m2/litre. uk Email address of the competent person sds@riw. RIW Sheetseal 226 is a cold applied, high density polyethylene film typically used to provide a water & water vapour barrier in all forms of construction. Does the RIW. Add to Basket. Product code : 82CSSP Sizes. Vertical work should be supported immediately after. RIW Sheetseal 9000 . Description. POA . It features a two coat system which dries to form a glossy black finish, is flexible and easily applied to adapt around difficult areas. rbs Tanking Membrane Primer 25ltr. Corroded metal should also be treated withRIW SHEETSEAL 226 Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. POA. RIW Sheetseal Primer 5L. 150mtr Roll)RIW Sheetseal 226 Self Adhesive Membrane Grace Bituthene 3000 Self Adhesive Membrane Fosroc Proofex 3000/4000 Self Adhesive Membrane Ruberoid Plasprufe Self adhesive Membrane Marley Marleyseal Self Adhesive Membrane Alderborough Alderprufe Se; Visqueen Self Adhesive Membrane; RS000348; Heat Bonded Heavy Duty Tanking. Specification Guide 2014 RIW SHEETSEAL GR Sheetseal GR is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone release paper. RIW RIW Sheetseal 226. 64. RIW Structureseal GPT Data Sheet. RIW LAC Liquid Asphaltic Composition 5L. Environmental precautions Do not flush into surface water. Membrane Protection Boards Bitumen Protection Board is a tough, flexible. Flam. View more info. BENEFITS l Methane and carbon dioxide barrier l Water and water vapour barrierRIW Sheetseal 226. RIW Sheetseal Primer is a bitumen solution. Damp proofing. Ancillaries Protection Board/Sheetseal Type RIW Protection Board RIW Sheetseal 9000 DPC Size 3mm x 1. Sheetseal 226 RIW Adhesive Tape Sheetseal 226 on cement particle board or similar Steel framing system Toughseal (two coats) Sheetseal 9000 dpc Toughseal (Blinded withRIW Structureseal is often used to waterproof lift pit; see how straightforward the application can be. 1050mm x 19. 5m2 / litre per coat. Sheetseal Primer is a bitumen solution. RIW produce a range of ancillary products for use with Heviseal which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. These repair concretes are ready to mix concrete solutions ready for use with all cement-based surfaces. Sheetseal GR. POA . All applications. uk 1. Sheetseal Primer. 1 RIW Sheetseal Membranes are satisfactory for use in accordance with the relevant clauses of CP 102 : 1973, Section 2, or BS 8102 : 1990BBA Approved. 4. BPO Liquid Catalyst, pack: 5kg & 20kg (for use with Hand Grade) All components of the FLEXISEAL 500 system should be stored in cool, dry, protected conditions, out of direct sunlight and in accordance with the relevant site Health & Safety regulations. Liq. Sheetseal GR is a Waterproof Methane and Carbon Dioxide Gas Barrier. RIW SHEETSEAL 226 Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. co. and pre-treated with a steel primer, prior to the application of the membrane, in two coats, at the rate of 2. View. Sheetseal Primer is used on all vertical or inclined surfaces, to aid adhesion of the. The membrane should primers including alkyd, chlorinated rubber and epoxy based paints. Alternative Names: Be the first to review this product. It's designed to be used on surfaces before applying RIW Sheetseal 226 to enhance the bond and adhesion. Flexiseal Pro is a two-pack solvent free polymer modified epoxide coating which cures to give a continuous tough but flexible waterproof coating. RIW Sheetseal 9000 DPC -a range of high performance polymeric dpc's, and pre-formed cavity trays, compatible for use with all RIW Limited membranes. RIW Sheetseal GR CI/SfB Ln2 April 2009 RIW Sheetseal GR is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen / rubber self adhesive layer with a removable reinforced silicone release paper. BENEFITS l Water and water vapour barrier l Factory controlled thickness l Elastic and flexible l Damage easily repaired l No. Current Supplement. £296. Sheetseal Primer is used on all vertical or. Document Status. Flam. Sheetseal Primer is a bitumen solution. SHEETSEAL PRIMER A bitumen solution for priming surfaces before the application of RIW Sheetseal 226. When designing a Type A (barrier) protection (as classified in BS 8102:2009), the product applied correctly is capable of providing the levels of protection required for grades 1, 2 & 3 basements. BENEFITS l Water and water vapour barrier l Factory controlled thickness l Elastic and flexible l Damage easily repaired l No. pdf. Sheetseal Type Thickness (mm) Roll Size Weight (kg/m2) 226 226 226. button. The product generally requires a primer for vertical or sloping surfaces, ie. RIW Brick Plugs A fixing plug for vertical fixing of the Cavity RIW Plaster Drain Overtape Drain. £233. Material: No: Product Tags. Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self-adhesive layer with a removable reinforced silicone paper. View. Primer: refer to separate datasheets. Sheetseal Primer. Sheetseal Primer is a bitumen solution. Sheetseal 226 Waterproofing Membrane. 6. Pitch polymer basedRIW Sheetseal 9000 DPC - a range of high performance polymeric dpc's, and pre-formed cavity trays, compatible for use with all RIW Limited membranes. Sheetseal Primer is a bitumen solution. Vertical work should be supported immediately after. Order RIW Toughseal 5L Black | InsulationExpress | RIW products are non-returnable due to shelf-life and quality control. Liq. Charges start from £6. Explore our range for reliable waterproofing solutions today. DescriptionRIW Protection Board is a flat sheet, made of organic fibres saturated with bitumen. Product Description Delivery and Return RIW Sheetseal 226 is a cold applied polyethylene film that acts as a barrier against water, vapour and sulphates. Add to Wish List Add to Compare. Gas Seal Black Data Sheet. Gas/Radon Resistant. Sheetseal 9000 DPC and all commonly used DPC material, except those with a polymer base. Radon is a naturally occurring radioactive gas that is found within certain areas of the country and maps are available in BRE Digest 211 ; RADON. The product generally requires a primer for vertical or sloping surfaces ie: Sheetseal Primer. RIW Sheetseal Primer. RIW SHEETSEAL 226 Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. Sheetseal 226 is typically used as a basement tanking system or as a ground floor damp proof. RIW LAC ® (LIQUID ASPHALTIC. BENEFITS l Water and water vapour barrier l Factory controlled thickness l Elastic and flexible l Damage easily repaired l No. treated with a steel primer, prior to the application of the membrane, in two coats, at the rate of 2. Its excellent mortar bond strength ensures a secure seal. Liquid Applied Systems. Precon Products, A leading national independent supplier of construction products. co. The installed product protects the structure against moisture and radon from the ground. DETAIL 3 DPM TO GROUND FLOOR SLAB RIW Sheetseal 9000 dpc RIW ToughsealRFA-TECH Waterproofing Solutions for Reinforced Concrete & Masonary 2012BS 8102:2022 What The Latest Edition Means For The Industry. pdf. RIW Sheetseal 226 300mmx20m. RIW Sheetseal 226 150mm x 19. RIW Sheetseal Primer. Used on all vertical or inclined substrates. Build a strong foundation for waterproofing success with Structural Waterproofing Primers at Construction Products Express. Sheetseal Primer is a bitumen solution. Technical Hotline 01753 944200. Contact us: 01344 397777 [email protected] ml/m²/24hr. RIW Sheetseal 9000 DPC is strong and flexible with good workability, for building into masonry to provide an efficient method of. Corroded metal should also be. RIW Sheetseal 226 CI/SfB Vs1 April 2009 RIW Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. Sheetseal Primer is a bitumen solution. 3. Product code : 82CSSP. RIW Download Sponsored RIW Double Drain . POA . 3. The product is typically used to reduce the passage of. Support articles ; Submit a support ticket ; Feedback ; Quick links. Range of cold applied, self. Sheetseal 9000 DPC is used to provide horizontal bed joints, vertical DPC or stepped damp proof courses, in either solid walls or cavity walls. co. Liquid membranes may be used for basement tanking and damp proofing, plant rooms, podium decks and radon. The product generally requires a primer for vertical or sloping surfaces ie: Sheetseal Primer. RIW Sheetseal Primer is a bitumen solution. RIW Sheetseal Primer. RIW Download Sponsored RIW Double Drain . 1 2. 32 (Ex. RIW Toughseal 5L Black. Roof coating. Inc VAT. pdf. A cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen and rubber self-adhesive layer with a removable reinforced silicone release. Primer Sheetseal 226 Sheetseal 226 or (300mm wide) Flexiseal Pro (one coat) Concrete blinding Waterstop (Optional) Protection Board (Optional) Sheetsteal 9000 DPC / Cavity tray. 58 (inc. Literature by RIW - We help design and project delivery teams keep water and ground gases out of buildings. Flexiseal PRO, as a system, is used in all situations where a high performance tanking or damp proof membrane is required. RIW Sheetseal primer is a bitumen solution. Sheetseal 9000 DPC; Sheet Applied Systems. £39. RIW Sheetseal primer is a bitumen solution. Sheetseal 226 is a cold applied high density polyethylene film coated with a bitumen/rubber self-adhesive layer with a removable reinforced silicone paper. From £123. 5 25. Features & Benefits of Sheetseal 9000 DPC. When designing a Type A (barrier) protection (as classified in BS 8102:2009), the product applied correctly is capable of providing the levels of protection required for grades 1, 2 & 3 basements. Sheetseal 9000 DPC; Sheet Applied Systems. STOT SE 3: H336 - May cause drowsiness or dizziness. Extremes of temperature should also be avoided. The process involved first pressure washing and preparing the retaining wall, following this Sheetseal Primer was applied, on top of that went the Sheetseal 226, and finally the Sheetseal 226 Protection boards. † RIW Sheetseal Primer — a solution of bitumen in a petroleum aliphatic hydrocarbon supplied in 5 litre and 25 litre containers † RIW Protection board — a 3 mm thick protection layer for use in reservoir roofs and, where required, in other specifications † Reinforcing tape — for reinforcing at internal and external corners. Uses:- LAC is typically used as a damp proof membrane to ground floors, as a vapour barrier behind cladding and for. BIM objects. RIW SHEETSEAL 226 Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. 65. Products. RIW products are non-returnable due to shelf-life and quality control. More Info. co. CONTINUE SHOPPING. To prevent dust and other contamination of primed surfaces, Sheetseal Primer should be covered with Sheetseal 226 / 226 S on the same day. RIW Sheetseal Primer : There are no special requirements. Water vapour transmission < 0. RIW SHEETSEAL GR Sheetseal GR is a cold applied, high density polyethylene film bonded to aluminium foil and coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone release paper. Sizes. Reinforce the first coat of Toughseal, if required, with Toughseal Reinforcing Tape, prior to the application of the second coat. RIW Sheetseal Primer is a priming solution made from bitumen. Please search for stockists below. Product sheet 1 Certificate 92/2817. The 3mm thick bitumen board helps to protect the membrane from. 00. 3: H226 - Flammable liquid and vapour. Call Technical on 01753 944200 for more information. RIW LIQUID ASPHALTIC COMPOSITION (LAC) Liquid Asphaltic Composition is a two coat, cold applied damp proof. STOT SE 3: H336 - May cause drowsiness or dizziness. Corroded metal shouldSheetseal 9000 DPC; Sheet Applied Systems. Please contact us by either email at sales@lemon-gs. Used with Sheetseal 9000 DPC to seal rolls of DPC together at laps. RIW Sheetseal 9000 DPC 100mm x 20m. Tokstrip & Longstrip - Joint Sealant for Manhole Chambers quantity. RIW Sheetseal 226 1050mmx19. CI/SfB TN6 L6813 November 2013 RIW SHEETSEAL 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced. The product generally requires a primer for vertical or sloping surfaces, ie: Sheetseal Primer. RIW Sheetseal Primer Sheetseal Primer is a bitumen solution. £140. 00. 05mt x 1. Technical Hotline 01753 944200. Technical number: 01753 944200. Label elements Hazard Statement EUH066 - Repeated exposure may cause skin dryness or cracking. Sheetseal Primer is a bitumen solution. Methods and material for containment and cleaning up Absorb with inert, absorbent material. 4. RIW Sheetseal primer is a bitumen solution. 60 £33. Visqueen GR Membrane Methane & Radon Barrier. Website: corden-bssp. Sheetseal 226 is a cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. Uses:- LAC is typically used as a damp proof membrane to ground floors, as a vapour barrier behind cladding and for. 12. RIW in the UK has. Add to basket.