£290. Got a Technical query? Click here to get a callback. Contact Us. 1. We understand that not every waterproofing project is the same, that’s why we provide tailored project support throughout the specification and installation. RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. #RememberItsWaterproof #Waterproofing…RIW CEMENTSEAL Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. Pre-applied Tanking System A ‘needle-punch’ process interlocks the geotextiles together through the bentonite, forming an extremely strong composite that maintains a consistent. Sales number: 01753. co. For each of these applications and more, there's a BITUTHENE® product developed by GCP. RIW has a broad range of high performance structural waterproofing products. Sales number: 01753 944210. Sheet. Its effectiveness has been proven time and again in countless projects. At. All waterproofing details shown herein must receive approval from the design team or appointed designer before implementation on site, these waterproofing details may have other impacts on the structure and these impacts must be assessed and understood by the design team or appointed designer. , The products must be installed in accordance with RIW written instructions, and following installation must not be subjected to any damage or long. Technical number:. BENEFITS l Manufactured from virgin material, not recycled waste l Robust jointing and sealing system l Welded joints possible l Single wound membrane with zero creases l Two colour membrane for on-site quality control. RIW 124783 Sheetseal 226 Tanking 1. Factory control thickness. What does RIW mean as an abbreviation? 32 popular meanings of RIW abbreviation: 50 Categories. Visqueen structural waterproofing protection - Complete range, complete solution. When designing Type A structures (as classified in BS. 2 RIW Sheetseal 226 is UK WFBS listed for use in waterproofing reservoir roofs when protected using a suitable. Download our… RIW Ltd on LinkedIn: #waterproofing. British Standard BS 8102, the Code of Practice for waterproofing of below ground structures has been updated to reflect new practices. Their innovative two coat system is flexible, easily applied and adaptable. uk for data sheets, typical drawings and more. Technical number: 01753 944200 Sales number: 01753 944210 In 2021, we became an accredited installer with The Air Barrier Association of America. RIW products are suitable for a wide range of applications, from basement tanking to at and above ground level waterproofing. The product is suitable for use on exposed or inverted roofing and for podium waterproofing. All our gas proofing products. Gas membranes and coatings may be used for gas protection, above and below ground level and as an effective damp proof system. The images on this page show a recent project using RIW product. Home / Technical downloads / Data Sheets. RIW has a broad range of high performance structural waterproofing products - from basement tanking, waterproofing membranes and damp proof membranes to gas proofing products. Technical number: 01753 944200. Request Callback; 01753 944210; [email protected] the experts at RIW for advice on a simple solution to waterproofing lift pits. View all: Bostik Specialist Paints. We manufacture the full scope of Structural. 99Inc Vat. SKU:. How to apply self-adhesive waterproofing membranes; introducing the Hydroprufe from FIS Products. Sheetseal 9000 DPC is used to provide horizontal bed joints vertical DPC or stepped damp proof courses in either solid walls or cavity walls. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. See BBB rating, reviews, complaints, request a quote & more. How to Specify. RIW has been delivering reliable waterproofing solutions for 100 years. We are proud to have installed these products onto some of the most prestigious projects in the UK. RIW has a broad range of high performance structural waterproofing products. RIW Limited 487 / 488 Ipswich Road Slough SL1 4EP. All applications. Sales number: 01753 944210. It is designed to be used on various surfaces, including concrete, masonry, steel and insulation boards / ICF systems. With a modern and innovative range of products, RIW is renowned throughout the industry as 'two coats of RIW'. RIW Ltd 612 followers 9mo. Long lasting, versatile and easy to install, BITUTHENE® gets. British Standard BS 8102, the Code of Practice for waterproofing of below ground structures has recently been updated to reflect new practices. RIW has been delivering reliable waterproofing solutions for 100 years. About Us;. RIW has a broad range of high performance structural waterproofing products - from basement tanking, waterproofing membranes and damp proof membranes to gas proofing products. Suitable as a damp proof membrane on solid concrete floors. Its robust waterproofing properties, combined with its ease of application, results in a contractor-friendly product that adds. Abrasion and impact resistant. Technical number: 01753 944200 Sales number: 01753 944210 Warranty description . Technical number: 01753 944200. Have you recently refreshed your waterproofing knowledge? Take a CPD course with us. BENEFITS l Manufactured from virgin material, not recycled waste l High performance damp proof membrane l Robust jointing and sealing system l Single wound membrane with zero creases l Two colour membrane for on-site quality. 1. Technical number: 01753 944200. 4 l Specification Guide to RIW Waterproofing Systems Technical Expertise How to Specify Waterproofing RIW has been a generic term for waterproofing products for over 90 years; our name even stands for ‘Remember It’s Waterproof’, taken from an old ad slogan in 1921. Choose either an online or in-person session covering waterproofing at or…RIW has a wealth of knowledge and experience in waterproofing solutions. waterproofing paint. Waterproofing Contractors in Victoria, BC. qualified designer of waterproofing and gas proofing systems 2y Report this post Aiden Quinn Key Account Manager Pudlo - North. RIW in the UK has over 90 years experience in structural waterproofing. Kryton’s admixtures and additives are solutions that make high-quality concrete waterproofing and durability possible. Seamless and fully bonded. Please note all fields marked with a * must be completed. For more information about waterproof polymers please contact the RIW Technical Department. RIW FLEXISEAL Flexiseal is a solvent free thixotropic liquid based on urethane pre- polymers, which on contact with atmospheric moisture, cures to give a continuous tough rubber-like coating. Waterproofing a podium deck? Ask the experts at RIW for advice on a simple solution. To find out more, please visit our specialist technical cen. These include Kryton’s crystalline admixtures, such as Krystol Internal Membrane™ and Krystol Mortar Admixture™, and Kryton’s Hard-Cem ® and Con-Fume ® admixtures. Learn more about its benefits, applications and installation in. Effective against hydrostatic pressure up to 140 m of head. Waterproofing Contractors. Discover CCL's waterproofing membrane kits. Premcrete supplies innovative groundwork solutions for major Construction and Infrastructure projects. 5mm thick HDPE profiled sheet, with approximately 7mm high studs. It is solvent free, easy to apply and cures to form a seamless and fully bonded membrane. 1. When expanded it provides a list of search options that will switch the search inputs to match the. Technical number: 01753 944200. RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated. 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. High performance damp proof membrane. Double Drain can be used in conjunction with a primary waterproofing system, or on its own, to isolate the structure from the surrounding soil. uk; Sales. Waterproofs from any. View. -- Choose an option -- Waterproofing above ground level. Provides a hard wearing, protective layer on wood, metal and cement. Description. 🔍. The RIW range encompasses Type A products through to cavity drain and epoxy coatings. 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. RIW Ltd’s Post RIW Ltd 591 followers 9mo Report this post Report Report. Next. RIW work closely with a nationwide network of Specialist Waterproofing Contractors, who are experienced installers of our structural waterproofing systems. Contact us: 01344 397777 technical@riw. Along with soil types and water table levels, ground contaminates and gases such as Radon & Methane must be considered when deciding upon a waterproofing design. Have you recently refreshed your waterproofing knowledge? Take a CPD course with us. RIW HYDROCOAT Hydrocoat is a cold applied, fast drying, two coat black bitumen coating, which dries to form a water and a water vapour barrier. CSSW Qualified Designer of Waterproofing & Gas Proofing Systems - Technical Advisor, RIW Ltd 1dKIM is a unique, single component, crystalline waterproofing admixture in powdered form which is added to ready mix concrete to produce water tight concrete or Type B protection as defined in BS8102:2009. For more information about waterproof polymers please contact the RIW Technical Department. Airport Code, Airport,. button. The product is designed to relieve hydrostatic pressure, by promoting the flow of ground water away from the face of the structure to land drainage. Find the right product for your specific project requirements in a few simple steps with our easy to use product finder. DescriptionKrystol Internal Membrane (KIM) is a hydrophilic crystalline admixture used to create permanently waterproof concrete. This button displays the currently selected search type. RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in. £14. 3. Waterproofing above. Contact Us. RIW Sheetseal GR is a radon gas barrier and one of the most effective gas methane barrier systems available. RIW Ltd. Movement joints are designed to relieve or absorb anticipated movement between structural elements, which are generally caused by thermal expansion/contraction, settlement, load transfer, dead loads and at times even seismic activity. Specification Guide: RIW WATERPROOFING SYSTEMS May 2014 4 l Specification Guide to RIW Waterproofing Systems Technical Expertise How to Specify Waterproofing RIW has been…Tunnels, metro stations and infrastructure products. Newton: 175 Years of Waterproofing Excellence and Innovation. Request Callback; 01753 944200; [email protected] has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. It is a self-adhesive polyethylene film with a bitumen/rubber coating. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level,. RIW has a broad range of high performance structural waterproofing. TYPICAL USES. About Us; Products +. The second coat of the membrane should be blinded with Aggregate Grade 1 at a rate of 1m2 /kg. Structureseal GPT is a 1. Sheetseal 9000 DPC flexibility and workability. Contact us: 01344 397777 technical@riw. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. Technical number: 01753 944200. Sales number: 01753 944210. As building capabilities are evolving, timber’s popularity is set to rise. RIW Tilesafe. Take a look at how we have been able to adapt over the years but remain the name you can always depend on!RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. RIW Meaning. Specification Guide: RIW WATERPROOFING SYSTEMS. uk; Sales. Technical number: 01753 944200. Provides a hard wearing, protective layer on wood, metal and cement. RIW offer a range of robust and effective. RIW Sheetseal Primer 5L. For more information about waterproof polymers please contact the RIW Technical Department. 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. Products can also be ordered through other Builders Merchants, such as Travis Perkins, Jewson, Gibbs and Dandy or Keyline. RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated. All applications. A “needle-punch” process interlocks the geotextiles together forming an extremely strong composite that maintains a consistent layer of Bentonite, as well. Description. Features & Benefits of Cementseal. Take a look at how we have been able to adapt over the years but remain the name you can always depend on!Cement Based Waterproof Repair Mortar. LAC ® is typically used on structures below ground level, and as a damp proof membrane to ground floors. Two colour membrane for on-site quality control. At Precon, we have a wide stock of products from structural waterproofing specialists, RIW. Watch our new animated infographic to discover… RIW Ltd on LinkedIn: #waterproofing. View all: Bostik Specialist Paints. Martin Radford posted images on LinkedInRIW work closely with a nationwide network of Specialist Waterproofing Contractors, who are experienced installers of our structural waterproofing systems. 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. View. Applied to damp surfaces. General purpose, solvent-based. Watch how Toughseal and Cementfill FC can be used to waterproof a raised access floor. Request Callback; 01753 944200; [email protected] has worked on many projects over the years including Peterhouse College, which is the oldest #CambridgeUniversity college. Its robust waterproofing properties, combined with its ease of application, results in a contractor-friendly product that adds. CPD 10 2020: Daylight design for commercial buildings using structural glazing. Have you ever worked on a project where the design team and build team just don't communicate?…Saxton Parade, a £32m mixed tenure residential redevelopment, had a large deck area that needed a waterproofing solution that could be installed within a short. RIW 124783 Sheetseal 226 Tanking 1. - Product reference: RIW Sheetseal Primer. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. RIW manufacturer products such as the RIW Cementseal, a waterproof coating that is available to purchase from our site in 15kg. GET A QUOTE. Double Drain can be used in conjunction with a primary waterproofing system, or on its own, to isolate the structure from the surrounding soil. 05m. RIW products are stocked by specialist distributors such as SIG, Resapol, Anchor Bay and Miers Construction who deliver over a wide area. 64. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. BSc (Hons) Civil Engineer Qualified Technical Advisor at RIW Ltd 4mowaterproofing details may have other impacts on the structure and these impacts must be assessed and understood by the design team or appointed designer. The product is designed to relieve hydrostatic pressure, by promoting the flow of ground water away from the face of the structure to land drainage. The product can also be used to protect retaining wall structures. 10. RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. RIW has been delivering reliable waterproofing solutions for 100 years. Request Callback; 01753 944200; technical@riw. Along with soil types and water table levels, ground contaminates and gases such as Radon & Methane must be considered when deciding upon a waterproofing design. Provides a hard wearing, protective layer on wood, metal and cement. Specification Guide: RIW WATERPROOFING SYSTEMS May 2014 4 l Specification Guide to RIW Waterproofing Systems Specification Guide to RIW Waterproofing Systems l 5 How to Specify Waterproofing Technical Expertise RIW has been a generic term for waterproofing products for over 90 years; our name even stands for ‘Remember It’s. How to apply self-adhesive waterproofing membranes; introducing the Hydroprufe from FIS Products. Touch-Dry in 6 Hours, Fully Dry in 24 Hours. Excellent low temperature flexibility. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. Download the datasheet to learn more about its technical specifications, benefits and installation methods. 2d. RIW Structureseal is a bentonite sheet waterproofing composite of high swelling Sodium Bentonite encapsulated between a non-woven and woven geotextile. RIW CEMENTSEAL Cementseal is a two component, polymer modified, cement based, waterproof coating for concrete and masonry. Are you looking for a comprehensive and up-to-date guide for specifiers of liquid roofing and waterproofing systems? If so, you should check out the Specifiers Guide 2020 from the Liquid Roofing and Waterproofing Association (LRWA). uk; Sales. Newton: 175 Years of Waterproofing Excellence and Innovation. 87. RIW Tilesafe Reinforcing Tape A 1mm thick self-adhesive tape for reinforcing all wall and floor junctions, butt joints and other detail work in the membrane. Sales number: 01753 944210. RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated. British Standard BS 8102, the Code of Practice for waterproofing of below ground structures has been updated. RIW has been delivering reliable waterproofing solutions for 100 years! Take a look at look at some of the projects we worked on back in the 60s and '70s. Martin Radford posted images on LinkedInRIW work closely with a nationwide network of Specialist Waterproofing Contractors, who are experienced installers of our structural waterproofing systems. The Code of Practice for waterproofing of below ground structures, British Standard BS 8102, has been updated to incorporate current practices and new… RIW Ltd on LinkedIn: #waterproofing #. The RIW range offers a wide variety of products which. Structureseal is a bentonite clay sheet waterproofing composite, comprising high swelling sodium bentonite encapsulated between a non-woven and woven geotextile. About Us; Products +. RIW Tilesafe is a heavy duty, cold applied, self adhesive waterproof membrane, consisting of a thick rubberised waterproof layer with a. Please contact us by either email at [email protected] you require further information on waterproofing or ground gas protection, please contact TK Waterproofing Solutions on 0115 9894434 and ask to speak with one of our technical Managers, or. The company offers complete waterproofing assurance to architects and engineers and is well-known for the expert Technical Advisory Service which provides a full consultation and design service. RIW Ltd | LinkedIn‘de 586 takipçi RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. Structureseal is designed for below ground vertical and horizontal structural foundation surfaces. RIW Toughseal – 5L & 20L. The RIW product range has expanded and evolved Please contact us by either email at sales@lemon-gs. DPM’s can be applied to either a suitable blinding layer under the slab or internally to the top of the slab. RIW Flexiseal Pro is a high-performance waterproof coating system for various substrates and applications. Krytonite™ Swelling Waterstop is a synthetic rubber waterstop that uses swelling pressure to seal concrete construction joints and stop water. Have a look at Servicised and RIW waterproofing systems - there is some good info there concerning the general principles and reference to the relevant British Standard. I would like to receive updates from RIW Ltd. Effective against hydrostatic pressure up to 140 m of head. The products must be installed in accordance with RIW written instructions, and following installation must not be. Sales number:. RIW has a broad range of high performance structural waterproofing products. Technical number: 01753 944200. RIW Flexiseal Pro. Suggest. About Us; Products +. RIW provided a waterproofing strategy robust enough for their new build Grade 3 basement project. Touch-Dry in 6 Hours, Fully Dry in 24 Hours. BITUTHENE® is available in a number of grades to suit your project needs. , The products must be installed in accordance with RIW written instructions, and following installation must not be. Heviseal. uk W: Additional Info: Date: Project Ref: Scale @ A4: Drawing No: Drawn:Checked: Rev: 19/09/19NTSRADK RAISED EXTERNAL GROUND LEVEL: CAVITY WALL WITH GROUNDRIW/TD/255 BEARING SLAB INTERNAL. Please enable them before continuing. uk Specification Guide to RIW Waterproofing Systems l 5. RIW offers the most expert technical advice for commercial waterproofing and damp proofing applications above, below and at ground level. We have been consulted on virtually every application you can think of, so if you're looking for something specific, please contact us on 01344 397777. Choose between our online. £290. FEATURES & BENEFITS of DPM Red. RIW has a broad range of high performance structural waterproofing products. 80/Ltr)If you’re looking for technical advice on the best timber waterproofing solutions to suit your project, give our technical sales team a call on 01753 944200. Download our… RIW Ltd on LinkedIn: #waterproofing. the latest RIW Product Literature. Long lasting, versatile and easy to install, BITUTHENE® gets. 80/Ltr)RIW has been a generic term for liquid waterproofing solutions for nearly a century; our name even stands for 'Remember It's Waterproof' , from an ad slogan in 1921. Read our whitepaper to… RIW Ltd on LinkedIn: #waterproofing #. Generally, waterproof membranes are installed onto a suitable horizontal blinding layer and vertically to reinforced concrete or masonry sub-structures. waterproof. 05m. The build required the highest… RIW Ltd on LinkedIn: #. Technical number: 01753 944200. We know the key to a successful waterproofing strategy is a complete understanding of the issues. Robust jointing and sealing system. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. RIW Tilesafe has been designed to be used prior to the application of tiles, (including natural stone and porcelain) onto solid and timber floors in wetrooms and other critical rooms that require waterproofing. Gas/Radon Resistant. RIW in the UK has over 90 years experience in structural waterproofing. £296. Previous. CONSTRUCTION GENERAL All construction should conform to the Building Regulations, Codes ofRIW Sheetseal 9000 DPC 225mm x 20m. 27 Per L RIW Liquid Asphalt Composition 25L £274. Pre-applied Tanking System A ‘needle-punch’ process interlocks the geotextiles together through the bentonite, forming an extremely strong composite that maintains a consistent. RIW Ltd | 614 followers on LinkedIn. 80/Ltr)For more information on the best waterproofing products for your basement project, get in touch with our technical team on 01753 944200. RIW has a broad range of high performance structural waterproofing products. RIW is a renowned provider of a diverse array of waterproofing systems for above, below and ground level applications. RIW Limited 487 / 488 Ipswich Road Slough SL1 4EP. Request Callback; 01753 944210. Good tensile strength. How to Specify. Sheetseal 9000 DPC is used to provide horizontal bed joints vertical DPC or stepped damp proof courses in either solid walls or cavity walls. We understand that not every waterproofing project is the same, that’s why we provide tailored project support throughout the specification and installation. Technical number: 01753 944200. RIW Ltd. If you need help with your latest waterproofing project, our expert team is always on…DescriptionLiquid Asphaltic Composition is a two coat, cold applied damp proof membrane, which dries to a uniform gloss black finish. £140. uk or call 01268 571571 and we will calculate your unique discount for larger quantities. There are certain factors specifiers should consider. RIW Limited’s waterproofing products will, subject to normal service conditions, provide an effective barrier to the transmission of liquid water and water vapour for the life of the building in which they are incorporated. Double Drain can also be used to provide excellent. The RIW range now incorporates a wide range of diverse waterproofing solutions that are suitable for use above, below and at ground level, offering complete waterproofing assurance. BITUTHENE® is available in a number of grades to suit your project needs. There is a permanent reliance on this cavity to collect groundwater seepage through the structure. Technical number: 01753 944200. Structureseal GPT. £275. 00. 99Inc Vat. 73 (Ex. I. Looking for online definition of RIW or what RIW stands for? RIW is listed in the World's most authoritative dictionary of abbreviations and acronyms RIW - What does RIW stand. CSSW qualified designer of waterproofing and gas proofing systems 1y Report this post Report Report. uk Specification Guide to RIW Waterproofing Systems l 5. 4 l Specification Guide to RIW Waterproofing Systems. Sales number: 01753 944210. waterproofing paint. Cementfill FC. RIW Cementjoint is an advanced, elasto- meric, highly tear resistant, breathable, composite waterproof tape. RIW DPM RED DPM Red is a three-layer, low density polyethylene membrane with a polypropylene reinforcing grid. By stopping the transmission of water through concrete, KIM adds durability and longevity to concrete by protecting it. Technical number: 01753 944200. 05m x 1. Choose between our online CPD below, which focuses on Waterproofing At or Below Ground Level (BS8102:2009) or contact us to book an in-house session. When designing Type A structures (as classified in BS 8102:2009), the system installed correctly is capable of providing the levels of. Supplied as an easily applied sheet, it can be cold-applied at temperatures as low as 25°F and can be placed on a variety of concrete surfaces. Easily added directly to ready-mix truck or at batch plant. APPLICATION PREPARATION All Surfaces: Should be smooth, clean, dry, sound and free from frost, oil, grease, condensation and otherRIW Ltd in Moses Lake, WA Expand search. General purpose, solvent-based. Movement joints are dynamic, and will be subject to horizontal (expansion/contraction), vertical and. bit. It will take under 30 minutes, and we'll send you a certificate upon completion. POA. Innovation in Waterproofing. I would like to receive updates from RIW Ltd. View all: Bostik Specialist Paints. From sheet applied systems to structural drainage, sodium bentonite systems to cement based waterproofing, DPCs, gas proofing and movement joints; RIW has the. It also provides a good edge for render on the wall above, if required. Ask the experts at RIW for advice on a simple solution to waterproofing lift pits. Address. Protects concrete and reinforcement from harsh. BBB accredited since 7/24/2015. Self-seals hairline cracks up to 0. RIW CEMENTJOINT RIW Cementjoint is an advanced, elastomeric, highly tear resistant, breathable, waterproof composite tape. LAC ® can also be used on the superstructure, as a vapour barrier behind cladding systems / plaster finishes. BBB accredited since 5/17/2022. Description. Typical applications, include backfilled concrete walls, structural slabs and boundary line construction. Suitable for brush application only. RIW has been a generic term throughout the industry for liquid waterproofing solutions for over 90 years; our name even stands for ‘Remember It’s Waterproof’, from an old ad slogan in 1921. Plant Room Waterproofing & Tanking - RIW. RIW in the UK has over 90 years experience in structural waterproofing. We are proud to have installed these products onto some of the most prestigious projects in the UK. POA. Now is the perfect time to brush up on your waterproofing skills. The coating is a solution of natural and petroleum bitumens in white spirit. Toughseal can be used to provide a water and water vapour barrier behind tiles, render or beneath thin levelling screeds. It will take under 30 minutes, and we'll send you a certificate upon completion. RIW Structureseal is a waterproofing composite that can be applied before concrete is poured. Resists up to 100m head of positive and negative water pressure. RIW in the UK has over 90 years experience in structural waterproofing. Effective against hydrostatic pressure up to 140 m of head. Technical Hotline 01753 944200. RIW Tilesafe Membrane A self-adhesive waterproof membrane consisting of a 2mm thick rubberised layer, incorporating a woven glass fibre mesh on one side. Environmentally friendly.