Flexible Cement Based Waterproof Coating The product hydrates to form a durable, highly alkaline, permanently elastomeric coating which not only protects the concrete, or other substrates, from water penetration and. Specification Guide for RIW Waterproofing Systems l 37 RIW CEMENTSEAL TYPICAL USES When designing Type A (barrier) protection as classified in BS8102:2009, the product correctly applied is capable of providing the levels of protection required for Grade 1, 2 & 3 basements. Cementseal Primer is required for all horizontal applications, and is also used on porous surfaces, prior to applying Cementflex. RIW takes care of your waterproofing strategy from start to finish, including technical advice and guidance, preparation of sectional details, approval of drawings, site inspections and ongoing site support. Find out more here:. Class 1 Fire rating. Cementflex is a two component, polymer rich and flexible cement based waterproof coating for concrete and masonry, with excellent adhesion to prepared substrates. uk or call 01268 571571 and we will calculate your unique discount for larger quantities. RIW Flexiseal was used on the entrance podium to provide waterproofing over the basement, and RIW Cementseal maintained continuity at isolated pad locations below the basement slab. Simple to detail in critical areas. RIW Cementseal Primer benefits. uk website: British Board of Agrément tel: 01923 665300 Bucknalls Lane fax: 01923 665301 Watford e-mail: mail@bba. The concrete sub-base should be a minimum of 20 N/ mm². Joint Sealants & Adhesives. Enquire Now View. Applying Damp Proof Membranes. The thixotropic, shrinkage compensated nature of the product enables. Gas/Radon Resistant. RIW Cementflex was applied around balustrade fixing plates toToughseal can be used to provide a water and water vapour barrier behind tiles, render or beneath thin levelling screeds. pdf. For a surface sealant, RIW Cementseal is a two-component polymer for concrete and masonry substrates, which has superb adhesion. Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. High performance Polymeric Technology. Technical number: 01753 944200. Tekcem 025 Industrial. Eye / face protection In case of splashing, wear:. RIW Cementseal 15kg. Save companies and products to your shortlist and contact multiple companies through a single enquiry. May also be used as a curing membrane. 0 download. 2–2. Waterproof Foam for Movement Joints. Verified 7 months ago . POA. By Martin Radford, Business Manager at RIW Ltd. Cementseal and Flexiseal on large podium decks. Cementseal NBS Clause. We were approached to carry out the. POA . BENEFITS Totally waterproof Resists up to 100m head of positive and negative water pressure Seamless and fully bonded Applied to damp surfaces Abrasion and impact resistantWe supply a wide range of waterproofing products from market leading brands; cementitious, liquid & membrane products along with associated ancillaries. The second coat of the membrane should be blinded with Aggregate Grade 1 at a rate of 1m2 /kg. How to Specify. QR code), or you can prove you have passed a rapid test. Excellent elongation at break. Waterstop. txt) or view presentation slides online. Start here!. SKU: 014cfhb. Flexible Cement Based Waterproof Coating The product hydrates to form a durable, highly alkaline, permanently elastomeric coating which not only protects the concrete, or other substrates, from water penetration and. RIW Cementseal -cement base waterproof coating applied by hand or spray as a continuity membrane through the foundation bearing plane. Encon Construction Products offers a huge range of construction products & accessories, primarily for use in infrastructure and major building projects. CAST. Tilesafe. RIW DPM Red . Cementseal is used to prevent water ingress into basements, cellars and other below ground structures. POA. pdf. Specialising in offering the most expert technical advice for commercial waterproofing, damp proofing applications at any level. RIW CEMENTJOINT RIW Cementjoint is an advanced, elastomeric, highly tear resistant, breath-able, waterproof composite tape. Penetron PDS-v. pdf. 2. Quick and easy to apply by hand or spray. Cementseal Primer is required for all horizontal applications, and is also used on porous surfaces, prior to applying Cementseal. CAPALAND PLUS is cement-based adhesive, for indoor and outdoor use, for laying medium/high porosity tiles, classified as C1T according to Standard UNE-EN 12004 and ISO 13007. co. Product name RIW 36B: RIW Cementseal Part B CLP 1. RIW-TD-402 - View presentation slides online. When designing Type A structures (as classified in UK BS8102:2009), the product applied. Cementseal is a two component, polymer modified cement based waterproof coating for concrete and masonry, with excellent adhesion to prepared substrates. About Us;. Both RIW Cementseal and RIW Cementflex were used: Cementseal’s robust abrasion resistant properties make it ideal for areas where tenants may walk on the gravel, moving it around. The ground bearing slab consumed close to 2,000m² of RIW’s Structureseal, pre-applied Sodium Bentonite System & RIW’s R20 membrane. RIW Cementseal Primer Data Sheet. pdf. NBS Source is the new home of the NBS National BIM Library - BIM objects and Revit families (free to download). Suitable for horizontal, vertical and overhead applications. RIW Gas Seal HC Data Sheet. Products by RIW - We help design and project delivery teams keep water and ground gases out of buildings. Application rate: Normal applications: 2. LAC ® can also be used on the superstructure, as a vapour barrier behind cladding systems / plaster finishes. RIW Liquid GM Data Sheet. RIW Cementseal Primer . RIW Cementseal is a two component polymer modified cement based waterproof concrete sealer coating with excellent adhesion to prepared concrete and masonry substrates. Gas Seal Black CE Mark DoP. RIW has been delivering reliable waterproofing solutions for 100 years. pdf. Brick Plugs - a fixing plug for vertical fixing of the Cavity Drain. Download BIM. pdf. RIW 36B: RIW Cementseal Part B 2. RIW Arc House, Terrace Road South, Binfield, Bracknell, Berkshire, RG42 4PZ Technical enquires tel: 01344 397777 Commercial enquires tel: 01344 397788 Cementseal 2 x 1mm coatings onto prepared surface Cementjoint fully embedded in 2mm Cementseal Cementfill HB Fillet (25 x 25) 20mm 20mm Cementseal 2 x 1mm coatings. POA. Product Details. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. RIW Flexiseal was used on the entrance podium to provide waterproofing over the basement, and RIW Cementseal maintained continuity at isolated pad locations below the. star. pdf. DPM Blue; DPM Red; Sheetseal 226RIW CEMENTFILL HB Cementfill HB is a thixotropic, polymer modified, cement based, waterproof, rapid hardening, high build repair mortar. Features and benefits: Dense matrix offers low permeability to water, even at 10 bar pressure. RIW Download. Nitocote CM210 White KIT (18. Sheetseal 9000 DPCRIW CEMENTSEAL Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. This self adhesive bitumen membrane turned up at the slab perimeter onto the waterproofed walls,. RIW Double Drain. RIW Download. POA. Relevant identified uses of the substance or mixture and uses advised against Description Two component cementitious coating. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. 2–2. RIW Cementfill HB is a single component, cement based waterproofing mortar which incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. If double skinned then you could just take the RIW up the middle between the leaves. RIW produce a range of ancillary products for use with Sheetseal 226 which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. Play video. Sales number: 01753 944210. Gas Seal Ancillaries Data Sheet. Fully compatible with RIW waterproofing systems. About Us; Products + Browse by application. Please contact us by either email at sales@lemon-gs. Liquid plastic roofing system broucherOnce a dry substrate was achieved, a coating of RIW Cementseal was then applied, ready to receive an internal two coat breathable plaster finish. pdf), Text File (. May also be used as a curing membrane. 6 litres of clean water per 20 kg bag, depending upon desired. Cementseal CE Mark DoP. Previous. RIW Cementseal . Cementseal is a two component, polymer modified cement based waterproof coating for concrete and masonry, with excellent adhesion to prepared substrates. NJSR consulted RIW regarding a new retail development complete with basement in the heart of Liverpool city centre. 12m. As a cement based waterproof concrete sealer it can bind to many masonry substrates. Specification Guide: RIW WATERPROOFING SYSTEMS; of 31 /31. Features & Benefits of Sheetseal 9000 DPC. Pro SECTION Capping Beam Phase 1 RIW Structureseal RIW Sealing Compound around piles RIW Structureseal across bottom of pile cap, cut around piles Provide 2 layers of polythene sheeting over Structureseal, such that it does not bond to concrete RIW. RIW Cementseal waterproof concrete sealer coating applied to planters and walkways to protect concrete When the main contractor (United House) had a requirement for a specialist waterproofing contractor, waterproofing specialist Cemplas, who have been providing Waterproofing solutions since 1969, were called in and appointed to. RIW Download Sponsored RIW Structureseal . pdf. Double Drain - a drainage board which protects the. Cold applied, cementitious waterproof coating system. uk. Even so, this is a voluntary program that business and public spaces can opt. RIW Gas Seal Black . Over expansion joints allow slack in theby RIW Cementflex is a two component, polymer rich and flexible Cement based waterproof coating for concrete and masonry, with excellent adhesion to prepared substrates. RIW Sheetseal 9000 DPC Jointing Tape 15m. The product hydrates to form a. 2kg) £198. Resistant. A two component, polymer rich and flexible cement based waterproof coating for concrete and masonry. For repairs, go for RIW Cementfill, a. Fast curing also allows subsequent trades to access the deck much quicker. Once a dry substrate was achieved, a coating of RIW Cementseal was then applied, ready to receive an internal two coat breathable plaster finish. Category Concrete Repair. The product is highly polymer modified and as a result concrete surfaces do not generally require a primer. Enquire Now View. A single component cementitious high build mortar, which incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology. Cementflex. RIW in the UK has over 90 years experience in structural waterproofing. V. View. P304+P340 - IF INHALED: Remove person to fresh air and keep comfortable for breathing. I don't know much about this but building control thought it was quite a lot? Cementseal; Gas Proofing Systems. with RIW Cementseal being applied to capping beams and linked to the RIW Cavity Drain using RIW Overtape. DPM Blue; DPM Red; Sheetseal 226A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. RIW has over 90 years experience in structural waterproofing within the UK. All you need to do is answer a few basic application questions and we'll do the rest. Gas Proofing Systems [{product_related_downloads:count}] doc. 6 litres of clean water per 20 kg bag, depending upon desired. RIW Cementseal Primer can be applied to damp surfaces; Prevents out-gassing; Curing agent for newly placed cement based mortars and coatings RIW Cementfill FC 20kg. l Totally waterproofl Resists up to 100m head of positive & negative water pressure l Tough & flexible to accommodate differential movementl Seamless & fully bondedl Applied to damp surfaces. Basements can become damp, so you may need to treat any concrete areas with RIW cementseal to ensure they are waterproof. Resistant. RIW Cementseal CI/SfB Ln2 November 2011 RIW Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. Waterproofing above ground level;RIW in the UK has over 90 years experience in structural waterproofing. 2. RIW Cementseal Primer – a ‘primer’ for use on all horizontal and porous surfaces. nbs. RIW Cementseal Data Sheet. Cementfill FC incorporates the most advanced microsilica, polymer and fibre technology, curing to provide high waterproofing properties, excellent protection from acid gases, chlorides and freeze/thaw cycles as well as enhanced chemical resistance. Excellent chemical resistance. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Scribd is the world's largest social reading and publishing site. RIW Download. Flexible: Permanently elastomeric composite. Factory control thickness. U. RIW LTD 580 / 581 Ipswich Road, Slough, Berkshire, SL1 4EQ, UK T: +44 (0) 1753 944200 E: technical@riw. RIW Sheetseal 9000 DPC 100mm x 20m. A single component cementitious high build mortar, which incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology. 0 downloadRIW Sheetseal 226 Self Adhesive Tanking Membrane. Features and benefits: A rapid hardening, low density, high strength mortar with enhanced polymer properties. co. pdf. CONSTRUCTION GENERAL All construction should conform to the Building Regulations, Codes ofA full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Gas Seal Black NBS Clause. RIW Cementjoint is an advanced, elasto- meric, highly tear resistant, breathable, composite waterproof tape. RIW Cementseal is a two-component polymer concrete sealer that has excellent adhesion qualities. co. Label elements Precautionary Statement: Response P302+P352 - IF ON SKIN: Wash with plenty of water/ . Features and benefits: Dense matrix offers low permeability to water, even at 10 bar pressure. The product is resistant to salts and most chemical attack, and having good UV resistance, is suitable for use in exposed exterior applications. These lower bunk rooms are lined in pale timber with built-in beds. SECTION RIW Sheetseal 9000 DPC mechanically fixed through top of RIW Sheetseal 226 RIW Sheetseal 226 on cement particle board, securely fixed to steel frame RIW Toughseal. Cementflex is a two component, polymer modified, flexible, cement based, waterproof coating for concrete and masonry. Features & Benefits of Cementjoint. Waterproofing Membranes & Waterstops. RIW was asked by Jestico + Whiles to advise on waterproofing in the early stages of the design process. Concrete Repair. The application of RIW Cementseal cementitious waterproof coating; RIW Cementfill FC used to repair and improve piles foundations; Substructure raised and RIW R7 Cavity Drain installed to perimeter walls; Application of RIW Structuralseal, pre-applied Sodium Bentonite System & RIW’s R20 membrane to the ground bearing slab;ESD01-floor to wall toe with self adhesive. PILED FOUNDATIONS: RIW/TD/852 RIW STRUCTURESEAL GPT; ALTERNATIVE DETAIL ACROSS PILE CAPS / GROUND BEAMS 1. Please call the Sales line for more information on 01753 944210. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. May also be used as a curing membrane. Features and benefits: A rapid hardening, low density, high strength mortar with enhanced polymer properties. Below the concrete slab we recommended RIW Sheetseal 226. 2–2. Wondering if there is a FB group, or r/ that I'm not seeing for remote/work from home resources for people in Victoria or BC? Remote dot com used to have actual listings and. POA. Gas Seal Ancillaries Data Sheet. Cementseal Primer is required for all horizontal applications, and is also used on porous surfaces, prior to applying Cementseal. Cementjoint is an advanced, elastomeric, highly tear resistant, breathable, composite waterproof tape. Permanently elastomeric composite membrane embedded in backing fabric, exhibiting over 600% elongation. Size - 20KG. SAFETY Full health and safety instructions are contained on the product material safety data sheets and these. RIW CEMENTSEAL PRIMER Cementseal Primer is a multi-functional, water based primer/ curing agent, formulated on an aqueous acrylic copolymer. All applications. uk. When embed- ded in RIW Cementseal, it gives a highly flexible, impermeable seal over ‘live’ cracks and expansion/ construction joints. Call for Price. pdf. Specification Guide 20144 l Specification Guide to RIW Waterproofing Systems Technical Expertise How to Specify Waterproofing RIW has been a generic term for waterproofing products for over. RIW Cementseal is a two component polymer modified cement based waterproof concrete sealer coating with excellent adhesion to prepared concrete and masonry substrates. 2–2. RIW Sheetseal 226. Specification Guide: RIW WATERPROOFING SYSTEMS · 2016-06-21 · specification guide section 1 liquid applied systems flexiseal heviseal lac toughseal liquid gm fwm section 2 sheet of 31 /31 Match case Limit results 1 per pageCementjoint is an advanced, elastomeric, highly tear resistant, breathable, composite waterproof tape. NJSR consulted RIW regarding a new retail development complete with basement in the heart of Liverpool city centre. uk W: Additional Info: Date: Project Ref: Scale @ A4: Drawing No: Drawn:Checked: Rev: 19/09/19NTSRADK PILED FOUNDATIONS: RIW/TD/652 RIW STRUCTURESEAL; ALTERNATIVE DETAIL ACROSS PILE CAPS /. The thixotropic, shrinkage. Fast curing also allows subsequent trades to access the deck much quicker. Cementfill HB incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology, resulting in a rapid hardening, low density, high. 2. Garden Blend. [email protected] W: Additional Info: Date: Project Ref: Scale @ A4: Drawing No: Drawn:Checked: Rev: 19/09/19NTSRADK SUSPENDED FLOOR: RIW/TD/202 HABITABLE SPACE WITH FLOOR LEVEL LESS THAN 600MM BELOW EXTERNAL. Read more. Totally. Compare. Start here! particular to overlap Cementseal on the transition from foundations up to DPC level. Play video. 2 litres / 20 kg powder Coverage 220 kg pack covers 2. Your product has been successfully added to your basketRIW CEMENTSEAL Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. RIW Cementseal Primer Data Sheet. RIW Cementseal provides enhanced resistance to carbonationRIW Cementflex. Watch our animated infographic that explains these changes and how RIW can assist you in waterproofing your below ground structures. uk website: British Board of Agrément tel: 01923 665300 Bucknalls Lane fax: 01923 665301 Watford e-mail: mail@bba. Find the right product for your specific project requirements in a few simple steps with our easy to use product finder. All RIW products can be obtained through Builders Merchants or approved stockists. RIW Download Sponsored RIW Cementfill FC. Author Admin. Products can also be ordered through other Builders Merchants, such as Travis Perkins, Jewson, Gibbs and Dandy or Keyline. 14 views. RIW Liquid GM Data Sheet. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Seamless and fully bonded l Applied to damp surfaces l Abrasion and impact resistant l Quick and easy to apply by hand or spray RIW products are suitable for a wide range of applications, from basement tanking to at and above ground level waterproofing. winds with Cementseal Primer, polythene sheeting, damp hessian or similar. To be used with RIW Cementseal Primer on highly porous surfaces. RIW Cementseal 15kg. Please call the Sales line for more information on 01753 944210. Sales number: 01753 944210. Made with three parts #1 Topsoil, two parts Magic Mulch, and one part coarse sand. B05. Contact us: 01344 397777 technical@riw. STORAGE RIW CEMENTSEAL PRIMER Cementseal Primer is a multi-functional, water based primer/ curing agent, formulated on an aqueous acrylic copolymer. pdf. RIW Cementseal. co. pdf. Full range of accessories & tailored products. RIW Cementseal Primer 5ltr. Cementseal. Post on 02-Oct-2021. High & Low Modulus Silicones; Fire Rated Sealants; Polysulphide Sealants; Expanding Canister Foams; Polyurethane & Pu Hybrid;. Search products by application Find your local stockist Take one of our online CPD’s. Identification code: Surface protection system for protection of concrete against ingress – Rigid trafficked system 2. Class 1 Fire rating. The installed product protects the structure against moisture and radon from the ground. RIW Cementseal provides enhanced resistance to carbonation which in a costal environment is extremely important. National Archive for the British Film InstituteThe RIW Cementseal is applied to horizontal areas in a single 2mm application, thus application time is considerably reduced when compared to a two coat membrane. This detail is suitable for damproofing only and should not be subjected to water pressure. pdf. Royal Winchester House, Bracknell Case Study. RIW Download. RIW Liquid GM Data Sheet. RIW Cementfill HB – a waterproof high build repair mortar for profiling and providing fillets. pdf. 2. When mixed, this concrete and masonry sealer exhibits a good degree of thixotropy to enable ease of application by brush or spray techniques to give an even finish with no. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Seamless and fully bonded l Applied to damp surfaces l Abrasion and impact resistant l Quick and easy to apply by hand or. Our Online CPD is based on instructional text, drawings and photos. Your product has been successfully added to your basket. RIW CEMENTFILL HB Cementfill HB is a thixotropic, polymer modified, cement based, waterproof, rapid hardening, high build repair mortar. Compare this product to another (up to 4 items) Quantity. 2kg) £198. co. Below the concrete slab we recommended RIW Sheetseal 226. RIW Sheetseal 9000 DPC 300mm x 20m. winds with Cementseal Primer, polythene sheeting, damp hessian or similar. RIW Cementseal Primer . RIW Ltd Arc House Terrace Road South Binfield Bracknell Berkshire RG42 4PZ Tel: 01344 397777 Fax: 01344 862010 e-mail: [email protected] full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. PENETRON® C R Y S T A L L I N E W A T E R P R O O F I N G C O A T I N G T O T A L C O N C R E T E P R O T E C T I O N ® Basement retaining walls Parking structures Concrete slabs (floor/roof/balcony, etc. A double-sided bitumen/rubber self-adhesive tape for use with RIW Protection Board or Double Drain. co. About Us;. View. uk W: Additional Info: Date: Project Ref: Scale @ A4: Drawing No: Drawn:Checked: Rev: 19/09/19NTSRADK PILED FOUNDATIONS: RIW/TD/652 RIW STRUCTURESEAL; ALTERNATIVE DETAIL ACROSS PILE CAPS /. co. Please contact technical@riw. Technical Hotline 01753 944200. Products can also be ordered through other Builders Merchants, such as Travis Perkins, Jewson, Gibbs and Dandy or Keyline. RIW Cementfill HB 20kg. Gas Seal Ancillaries Data Sheet. RIW Cementseal Primer 5ltr. RIW CEMENTFLEX Cementflex is a two component, polymer modified, flexible, cement based, waterproof coating for concrete and masonry. This product is completely waterproof and protects against water damage up to 100m head of both negative and positive water pressures. BENEFITS Totally waterproof Resists up to 100m head of positive and negative water pressure Seamless and fully bonded Applied to damp surfaces Abrasion and impact resistant Quick and easy to apply by hand or spray RIW Cementseal is a waterproof coating that is used for concrete and masonry work. uk Herts WD25 9BA ©2014 website: strength of the concrete sub-base should be a minimum of 20 N/ mm². Upload: others. Product name RIW 36A: RIW Cementseal Part A 1. 2. Flexible Cement Based Waterproof Coating The product hydrates to form a durable, highly alkaline, permanently elastomeric coating which not only protects the concrete, or other substrates, from water penetration and. Concrete surfaces must be first treated with RIW Cementseal Primer, to reduce the risk of leaching of free lime or mineral salts. or : for horizontal surfaces - Primer : RIW. 3. Both RIW Toughseal and RIW Sheetseal 226 were used to continue the waterproofing to the required level above ground. When designing Type A (barrier) protection, as classified in BS 8102: 2009, the product. RIW STRUCTURESEAL Structureseal is a highly effective waterproofing composite, of high strength green coloured geotextile, and sodium bentonite. BENEFITS. A single component cementitious high build mortar, which incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology. uk; Sales. pdf. 1. RIW Cementseal provides enhanced resistance to carbonation which in a costal environment is extremely important. Appropriate engineering controls Ensure adequate ventilation of the working area. Sheetseal 9000 DPC; Sheet Applied Systems. Search. When mixed, this concrete and. BENEFITS l Totally waterproof l Resists up to 100m head of positive and negative water pressure l Seamless and fully bonded l Applied to damp surfaces l Abrasion and impact resistant l Quick and easy to apply by hand or. SECTION RIW Sheetseal 226; see Notes 5 & 6 RIW Sheetseal 226 to seal top of RIW Double Drain against vertical membrane RIW LAC; Provide reinforcing strips of RIW Sheetseal 226 where required / indicated RIW Double Drain; see Notes 1 & 2 Sub. Highly porous substrates should be primed with RIW Cementseal Primer. RIW has been a generic term for liquid waterproofing solutions for nearly a century. This combination of products resulted in an effective and single sourced, total waterproofing solution. pdf; ESD02-against existing structure. by RIW Cementseal is a two component, polymer modified Cement based waterproof coating for concrete and masonry, with excellent adhesion to prepared substrates. Impermeable to water under 10 bar hydrostatic pressure, yet allows the free passage of water vapour. POA. The product is highly polymer modified and as a result concrete surfaces do not generally require a primer. Once a dry substrate was achieved, a coating of RIW Cementseal was then applied, ready to receive an internal two coat breathable plaster finish. RIW Structureseal GPT . RIW Double Drain . A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Technical number: Sales number: 01753 944210. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Cementseal is used to prevent water ingress into basements, cellars and other below ground structures. 2.