Used in conjunction with Sealing Rope to provide a sealed fixing through RIW Cavity Drain R20 and R7. Sales number: 01753 944210. Data Sheet. Description. RIW/TD/404 AQUA CHANNEL at bottom of secant piled wall. RIW Sheetseal Damp Proof Course; Insulated DPC Damp Proof Course; Gas Resistant Damp Proof Course; Brick Reinforcement; Cavity Closers; Airbricks & Telescopic Vents; Basement Waterproofing & Tanking. Technical number: 01753 944200. RIW Cavity Drainage Membrane is a 1mm thick high density polyethylene drain board with 20mm studs used in situations where site conditions. Water entering a drained cavity system is regulated by the structure, so defects that might result in unacceptable leaks should be. Wykamol Cavity Drainage Membranes; Triton Cavity Membranes For Wall & Floors; Visqueen Cavity Drain System; RIW Cavity Drain; Sika Cavity Drainage. Your product has been successfully added to your basketExpansion Joint Fillers. Aerofil 1’s low compressive strength prevents the transfer of load across joint interfaces and makes it ideal for forming soft compression joints and expansion. co. per m2 ie. Typical uses for Terram standard geotextiles include ground stabilisation (between the sub-base and subgrade) and around drainage materials : Terram filters/separators are used extensively in. About Us; Products + Browse by application. 07x20m roll 5 No. Consideration should be given to applying the DPM to the top of the slab, as the installation and moisture sensitive internal finishes are then protected from any residual moisture in the concrete. As the product is manufactured from HDPE, it is therefore able to follow the irregular surface and curvature of concrete piles. It has a high flow capacity to alleviate hydrostatic pressure on below ground structures and has a high puncture resistance. Miothene is supplied in sheets or strip form where the outer edge is undercut to allow for easy removal prior to sealing. Metal will transfer the cold easier, so I usually use extruded polystyrene sheets between the studs and exterior walls. pdf. The RIW range encompasses Type A products through to cavity drain and epoxy coatings. 55. Visit us at riw. Technical number: 01753. Cavity Drain [{product_related_downloads:count}] pdf. STRUCTURAL DRAINAGE SYSTEMS CAVITY DRAIN DOUBLE DRAIN PLASTER DRAIN SUMP PUMPS AQUA CHANNEL You can find out more about the products on the mini data sheets within this guide. Fosroc Nitoseal PU12 quantity. Cavity Drain R20 is manufactured from 1. Cavity Drain [{product_related_downloads:count}] pdf. We aim to offer complete waterproofing assurance to Architects, Engineers and Contractors. This detail ensures continuity between each element of the waterproofing design and encourages cross ventilation through the cavity to ensure the Radon emissions disperse freely. 05/4232, covering its use on walls and floors above and below ground. RIW Cavity Drain allowed water to be directed away from internal finishes to a maintainable land drain below the structure. pdf. 6 company wide current stock level. Other systems are available for specific uses, refer to Typical Uses inside. RIW Cavity Drain R20 Data Sheet. RIW Cavity Drain allowed water to be directed away from internal finishes to a maintainable land drain below the structure. Description. Cavity Drain R20 and R7 are typically used in basements and sub-structures, to channel wat. GCP Aerofil 2 Joint Filler quantity. Price: £ 29. About Us; Products + Browse by application. Description. What is an Aqua Channel? An Aqua Channel is a moulded PVC drainage conduit which is placed around the perimeter of the basement or along a retaining wall, in a recess formed in the edge of the slab or within a spacing layer created by XPS. Sales number: 01753 944210. As such, there is a permanent reliance on the cavity to collect groundwater and therefore a need for access points to allow the system to be maintained. Other systems are available for specific uses, refer to Typical Uses inside. RIW LAC is a two coat, cold applied bitumen damp proofing membrane, which dries to a uniform gloss black finish. A cavity drain system is often referred to by Structural Waterproofing Designers as a means of waterproofing protection for underground structures. 00. Ultrascape Flowpoint is ideal for all pavements where a rigid or bound void-free joint is required. uk;Proofex Cavity Drain 80 (2. pdf. Cavity Drain R20 & R7 are used as internal cavity drainage membrane. Cavity. All applications. pdf. ¢ Wat | oA IW Caviy Drain fixed at 1 +? , ‘000m min. RIW offer a sump and range of sump pumps, maintainable water management drainage channels, along with control panels and alarms to complement our cavity drainage membranes. Resists up to 100m head of positive and negative water pressure. RIW Cavity Drain is a profiled HDPE sheet cavity former that provides a clear and safe route for water seepage into an existing or new basement. Waterproofing above ground level;RIW CAVITY DRAIN R7 Cavity Drain R7 is manufactured from 0. Tilesafe. Cavity Drain R20 and R7 are typically used in basements and sub-structures, to channel water ingress to a sump or collection point for disposal. Technical number: 01753 944200. Cavity Drain R20 & R7 are used as internal cavity drainage membrane systems, to collect water entering the structure. Product. VAT) £128. uk; Sales. Sika® BituSeal S-115 is designed for use as an underlayer in fully self-adhesive multi-ply built-up systems. About Us; Products + Browse by application. RIW Cavity Drain R7 - HDPE studded membrane. Request Callback; 01753 944200; technical@riw. When designing Type C structures (drained) protection, as classified in BS 8102: 2009, the product applied correctly, is capable of providing the levels of protection required for Grade 1, 2 & 3 basements. Sales number: 01753 944210. Sikadur®-31 EF & 31 CF Rapid is a solvent-free, moisture tolerant, thixotropic, structural two part adhesive and repair mortar, based on epoxy resins and special fillers, designed for use at temperatures between +10°C and +30°C. As such, there is a permanent reliance on the cavity to. RIW Gas Seal HC Data Sheet. Double Drain Cavity Drain Membrane. Large range of structural waterproofing products, including cavity drain systems, external water management and our Axiom liquid application products. Technical number:. Visqueen radon R400 is used to prevent the ingress of radon in both basic and full radon protection areas. Masterflow 765 is a ready to use non-shrink grout. Sealing Compound / Granules; Structureseal; Waterstop; Structural Drainage Systems. Technical number: 01753 944200. Cavity Drain Sealing Rope. Waterproofing above ground level;Newton 8 mm CDM 508 eco Floor Recycled Cavity Drain Floor Membrane - 8 mm Recycled Cavity Drain Membrane . CI/SfB Tn6 L6813 September 2013 RIW CAVITY DRAIN R20 R20 is manufactured from1. Preformed bitumen bonded cork joint filler board for critical water retaining, civil and structural expansion joints . RIW Aqua Channel acts as a maintainable drainage channel, and must be installed including : Detail Screed - Outlets as required to discharge water ingress. SKU: 014p5cd. Price: £ 24. When designing Type C structures (drained) protection, as classified in BS 8102: 2009, the product applied correctly, is capable of providing the levels of protection required for Grade 1, 2 & 3 basements . VAT) £78. VAT) Enquire Now. The Technical PDFs are also available for download. Technical. co. View more info. Home / Sales and stockists / Specialist Waterproofing Contractors. Sales number: 01753 944210. It is also used around service penetrations and for sealing over joints when required. Sales number: 01753 944210. DPC & Cavity Trays. About Us; Products + Browse by application. Basement Waterproofing & Tanking. Product. All surfaces should be smooth, clean and dry. POA . 6m x 7m, with 3m high walls (floor, walls and ceilings) £16,800 - £20,000. 100mt pack. RIW Cavity Drain Systems mange water that penetrates the external structure and direct it to a suitable discharge point. minimum. Compare. Cavity Drain R20 & R7 are used as internal cavity drainage membrane systems, to collect water entering the structure. Jump to: Specification data ; Third party certifications ; Add to spec +44 (0)1753 944200 Website Contact manufacturer Application. This detail is only suitable for shallow basement. November 25, 2022. Nitoseal MS300 is suitable for sealing saw-cut and movement joints in internal floors, and external joints where abrasion resistance is required. Waterproofing above ground level;RIW produce a range of ancillary products for use with LAC which include: Cementfill FC - Cement based waterproof fairing coat and repair mortar for filling minor holes, voids and defects. 07m x 20m. uk W: Additional Info: Date: Project Ref: Scale @ A4: Drawing No: Drawn:Checked: Rev: 19/09/19NTSRRDK RIW CAVITY DRAIN: SEALED SYSTEM RIW/TD/411 RIW AQUA CHANNEL IN REBATE AT BOTTOM OF RETAINING WALL WITH DRY LINING 1. SCS Cavity Closers quantity. X-Cramps: Provided there is not a primary membrane on the surface, then Double Drain can be fixed using X-Cramps and nails at 250mm centres along the top edge only (nails not supplied). RIW Sheetseal Damp Proof Course; Insulated DPC Damp Proof Course; Gas Resistant Damp Proof Course; Brick Reinforcement; Cavity Closers; Airbricks & Telescopic Vents; Basement Waterproofing & Tanking. Backarod Circular Foam quantity. RIW CAVITY DRAIN R7 Cavity Drain R7 is manufactured from 0. Sheets and cut strips available up to 25mm. Price: £ 78. Technical number: 01753 944200. 05/4232, covering its use on walls and floors above and below ground. RIW Cavity Drain Fixing Plugs 100 per box. To be fixed onto the vertical face of the groundbeams using Claymaster Fixing Pins. Expansion Joint Backer Rod 30mm. Primer B1 is moisture tolerant and can be. On high risk sites, such as those with deep basements. Product. Cavity Drain R20 & R7 are used as internal cavity drainage membrane systems, to collect water entering the structure. Ruberoid Hyload Original DPC. VAT) Enquire Now. RIW/TD/401 AQUA CHANNEL in rebate with masonry lining. RIW Limited Tel : 01344 397 777 370 A PIPES, DUCTS, CABLES, ETC : - Where these pass through sheeting, make junctions completely impervious, following details as recommended for the purpose by the sheet manufacturer. The Aqua Pump Pro range of sump pumps, and Aqua Channel products, has been developed specifically for the specification market, and are designed to remove ground water. pdfRIW Sheetseal Damp Proof Course; Insulated DPC Damp Proof Course; Gas Resistant Damp Proof Course; Brick Reinforcement; Cavity Closers; Airbricks & Telescopic Vents; Basement Waterproofing & Tanking. Bag Column formers are a single use of formwork system that gives an excellent smooth fair face surface finish. RIW LAC can also be used as an effective barrier to. Sales number: 01753 944210. ROCKBOND UNDERWATER GROUT (RB UWG) powder is a premixed cementitious grout powder specially formulated for underwater applications. Gas Barrier Systems & Hydrocarbon Membranes. RIW Adhesive Tape. 20. Our Masonry Reinforcement aids to reduce cracking within walls and structures, as well as providing general support. GCP Aerofil 2 Joint Filler quantity. The system should be designed to be maintainable, with access points incorporated where necessary. Aerofil® 1 is a white, inert, preformed, closed cell, polyethylene joint filler suitable for structural movement joints in concrete, brick and blockwork. Cavity Drain R20 & R7 are used as internal cavity drainage membrane systems, to collect. This system retains poured concrete and achieves a significant reduction in the pressure of concrete normally associated with conventional formwork. Cavity Drain R20 has been awarded British Board of Agrément Certificate No. RIW Cavity Drain Overtape 150mmx20m. Double Drain Sub-soil drainage as required See DETAIL 3 RIW Membrane. BENEFITS l Easy to install l High drainage capacity l High factor of safety l High compressive strength l Chemically resistant • Products Used: 2,000m2 Cavity Drain R20. Verified 12 days ago . Waterproofing above ground level;RIW produce a range of ancillary products for use with Cavity Drain R7 which include: Sealing Rope - a self-adhesive rope for sealing around services, fixings etc. RIW Sheetseal 226 Self Adhesive Tanking Membrane. Quantity. 20 x 1mt. 100mt pack. View. Ideal for extensions and repairs to concrete in factories, loading bays, trucking aisles, bridges, roads, bonded. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. rolls FLOORS Cavity Drain R20 2. Quantity. Technical number: 01753 944200. Applied to damp surfaces. Structural Drainage Systems. When designing Type C structures (drained) protection, as classified in BS 8102: 2009, the product applied correctly, is capable of providing the levels of protection required for Grade 1, 2 & 3 basements. RIW R7 Cavity Drain 2. Data Sheet. Effective barrier to Methane gas, Water and water vapour barrier , Factory controlled thickness ,. About Us; Products + Browse by application. However, in locations where the capping beam protruded into the internal space, Cavity Drain R20 was terminated at the underside of the Capping beam RIW Cementflex was then applied to save on space. X-Cramps: Provided there is not a primary membrane on the surface, then Double Drain can be fixed using X-Cramps and nails at 250mm centres along the top edge only (nails not supplied). Fibreboard / Flexcell quantity. If there is too much water within the installation, root rot is likely to become a problem, and if there is too little water there will be poor vegetation growth. 25mm and 9mm wide in concrete and masonry, where both sides of the crack can be sealed to prevent resin drainage. Waterproofing above ground level;RIW’s Technical Department proposed the use of RIW Cavity Drain (as shown overleaf) which can be linked into the DPM with RIW Sheetseal 9000 DPC. Price: £ 123. DPC & Cavity Trays. Due to this risk, RIW Structureseal was used under the slab, with RIW Cavity Drain R7 providing protection for the walls. RIW R7 Cavity Drain 2. RIW/TD/403 AQUA CHANNEL Typical intermediate floor detail. Plastic tric Trac Spacer quantity. Thruty cones are used at the ends of the thruty sleeve and can be easily extracted after removal of the formwork, to form a chamfered recess for subsequent grouting with Tie Hole Sealer. •In contact with water Swellseal Mastic will expand to. Retaining walls can be external walls forming part of the landscape design, or walls that form part of a property. Request Callback; 01753 944210; enquiries@riw. Technical number: 01753 944200. 100mt pack. Brick Plugs - a fixing plug for vertical fixing of the Cavity Drain. RIW/TD/401 AQUA CHANNEL in rebate with masonry lining. Due to this risk, RIW Structureseal was used under the slab, with RIW Cavity Drain R7 providing protection for the walls. We supply a wide range of waterproofing products from market leading brands; cementitious, liquid & membrane products along with associated ancillaries. All applications. uk. VAT) Add to basket View. Sales number: 01753 944210. Featured Products RIW Sheetseal 226 A cold applied, high density polyethylene film, coated with a bitumen/rubber self adhesive layer with a removable reinforced silicone paper. We are proud to have installed these products onto some of the most prestigious projects in the UK. 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. 0 company wide current stock level. Cementfill HB - Cement based waterproof high build repair mortar for profiling and providing fillets. Liquid plastic roofing system broucherData Sheet. Both RIW Toughseal and RIW Sheetseal 226 were used to. RIW has a broad range of high performance structural waterproofing products. 00. Download BIM. Suitable substrates include concrete, masonry, steel, asbestos cement, timber, sprayed polyurethane foams and expanded polystyrene such as ICF systems. Verified 6 months ago . Cavity Drain R20 is. The channel, which is pre-formed in a pentagonal shape with pre-drilled 19 mm drainage holes set 70 mm apart along its length, is fitted around the periphery of an internal floor at the vulnerable wall/ floor junction and can be. co. RIW Cavity Drain R20 - HDPE studded membrane. 2 boxes 1 No. Download the datasheet to learn more about its features, benefits and technical specifications. They also provide a vapour barrier to enable this low risk form of construction to be used for the highest. Tokstrip & Longstrip - Joint Sealant for Manhole Chambers quantity. uk W: Additional Info: Date: Project Ref: Scale @ A4: Drawing No: Drawn:Checked: Rev: 19/09/19NTSRRDK RIW/TD/156 RIW Cavity Drain R20 Insulation / Services zone Floor build-up and insulation zone RIW Cavity Drain R20 RIW. Concrete Repair Mortars & Floor Levelling Compounds. Home > Waterproofing > Sheet Drainage > RIW R7 Cavity Drain 2. Wykamol Cavity Drainage Membranes; Triton Cavity Membranes For Wall & Floors; Visqueen Cavity Drain System; RIW Cavity Drain; Sika Cavity Drainage System; Concrete Formwork & Shuttering. 2 Application The membrane is laid out ‘domes down' over the floor for the horizontal portion, with consecutive membrane widths laid out to create an overlap of two interlocking domes. Polypropylene non – woven filter fabric encapsulating a 25 mm studded drainage core. pdf. Single component, thixotropic, polymer modified, cementitious repair mortar. The moulding profile prevents entry of soil and stones between the wall and membrane or into the drainage layer. Epoxy resin concrete bonding agent. pdf. Waterstop-RX is an active waterstop that functionally replaces conventional passive PVC dumbbell waterstops. Gas/Radon Resistant. Cavity Drain R20 and R7 are typically used in basements and sub-structures, to channel water ingress to a sump or collection point for disposal. Renders & Pointing Mortars. Product. A 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 Data Sheet. Cavity Drain R7 is suitable for use on floors and ceilings, please consult RIW for further information/ guidance. Part of a cavity drain system and designed to be used in conjunction with Platon cavity drain membranes. Your product has been successfully added to your basket. RIW Aqua Channel Outlet. 83 (inc. A special blend of oils with highly active surfactants that gives excellent release with no staining. RIW R7 Cavity Drain. 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. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. RIW Liquid GM Data Sheet. Cavity Drain Cementfill FC Cementfill HB Cementflex Cementjoint Cementseal Double Drain Flexiseal Heviseal LAC Liquid GMRIW Cavity Drain Cavity Drain R20 & R7 are used as internal cavity drainage membrane systems, to collect water entering the structure. pdf. 38 (inc. RIW Brick Plugs fix the RIW Cavity Drain to wall and allow for screw in type wall-ties. Price: £ 34. A single-component, polymer-modified, cement-based waterproofing slurry that incorporates advanced micro silica polymer and fibre technology. They come in 12mm,16mm,20mm,25mm and 32mm diameters. pdf; ESD02-against existing structure. Concrete Formwork & Shuttering. Fibre board can be used in conjunction with PVC void formers to form sealant void. Tie Bar is produced from high tensile steel with a screw thread ( deformation conforming to ASTMA 618 for reinforcing steel bars ). Chamfer Edge Profile quantity. About Us; Products + Browse by application. Expansion Joint Backer Rod 40mm. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. RIW/TD/404 AQUA CHANNEL at bottom of secant piled wall. with accessibility issues whilst maintaining the maximum internal space. Retaining Walls. The RIW range offers a wide variety of products which. Damp Proof Course & Brickwork Products. RIW/TD/403 AQUA CHANNEL Typical intermediate floor detail. POA. Brickspan Masonary Reinforcement quantity. co. 20mm Flanged Chamfer Edge Profile. RIW Toughseal was used extensively to provide damp proofing around the basement soffit and to the base of partition walls that penetrated the RIW Cavity Drain system. Technical number: 01753 944200 Sales number: 01753 944210 Used in conjunction with Aqua Channel Cleaning Ports for maintenance. RIW Cavity Drain R7 - HDPE studded membrane . About Us; Products + Browse by application. info@theNBS. Overtape is used at wall/wall and wall to soffit junctions, and outside non-flanged laps. It is easy to install, durable and resistant to chemicals and root penetration. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Description. Cementfill HB incorporates the most advanced cement chemistry, microsilica, fibre and styrene acrylic copolymer technology, resulting in a rapid hardening, low density, high strength waterproofing mortar with. It can be used from fluid to plastic consistencies for the grouting of equipment. About Us; Products + Browse by application. Price: £ 78. Tanking was required to prevent moisture ingress and a partially suspended slab posed the question of potential ground settlement. GCP Aerofil 2 Joint Filler quantity. Technical number: 01753 944200. Cavity Drain R20 has been awarded British Board of Agrément Certificate No. The following is a summary of the assessment and technical investigations carried out on RIW Cavity Drain R7. Verified by manufacturer 6 months ago . DPM Blue; DPM Red; Sheetseal 226; Sodium Bentonite Systems. Cavity Drain R20 & R7 are used as internal cavity drainage membrane systems, to collect water entering the structure. Description. Detail 1 - External Drainage Detail 2 - Top of Wall Double Drain Sub-soil drainage as required See DETAIL 3 RIW. Technical. £94. It can be used from fluid to plastic consistencies for the grouting of equipment. 0. As the substructure was raised, CCL installed 5000m² RIW R7 Cavity Drain to all perimeter walls. Sika Pump Pro Battery Back Up. Cementfill FC; Cementfill HB; Cementflex;RIW/TD/305 SHEETSEAL 9000 DPC: Cavity tray fixing to solid inner skin. All applications. Double Drain Sub-soil drainage as required See DETAIL 3 RIW Membrane. Tyler from Premcrete. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. Concrete Formwork & Shuttering. Specification Guide 2014Description. Concrete Repair Mortars & Floor Levelling Compounds. Compare. 07m x 20m - Resapol. FEATURES AND BENEFITS : Excellent weather resistance and durability , Low maintenance white finish , May be over-painted when dry with a suitable masonry paint if required , Easy and quick to apply , Simple to finish . per m2 ie. RIW Cavity Drain system. Technical number: 01753 944200. The RIW Aqua Pump Pro range has been developed specifically for the specification market and are specifically designed for the removal of ground water from a basement when used in conjunction with an RIW Cavity Drain System. Technical Hotline 01753 944200. Technical number: 01753 944200. X-Cramps: Provided there is not a primary membrane on the surface, then Double Drain can be fixed using X-Cramps and nails at 250mm centres along the top edge only (nails not supplied). Fosroc Nitoseal PU800 is a two-component gun grade elastomeric sealant which provides a tough expy PU seal for limited movement joints. All applications. About Us; Products + Browse by application. • Easy to install • High drainage capacity • High factor of safety • High compressive strength • Chemically resistant • Can be applied to wet substrates. Designed for use with RIW Cavity Drain systems. SCP Expansionthene PW High Density Joint Filler quantity. Cavity Drain; Double Drain; Plaster Drain; Sump Pumps/Aqua Channel; Movement Joints. Technical number: 01753 944200. Can also be used for securing slab edge formwork, guard rail, etc. Wykamol Cavity Drainage Membranes; Triton Cavity Membranes For Wall & Floors; Visqueen Cavity Drain System; RIW Cavity Drain; Sika. 12 x 150mm x 2. Shows how new basement waterproofing systems can be designed and installed. Verified by manufacturer 6 months ago . POA . roll 2 No. Kryton KIM . Suitable for horizontal, vertical and overhead applications. Sales number: 01753 944210. RIW only details masonryquestion of potential ground settlement. Product code : 82CCDF. Cavity Drain R20 & R7 are used as internal cavity drainage membrane systems, to collect water. RIW Cementseal - Waterproof Coating System . RIW . 5. RIW/TD/403 AQUA CHANNEL Typical intermediate floor detail. Verified by manufacturer 6 months ago . 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. 07m wide x 20m long Brick Plugs Box of 100 RIW offer a sump and range of sump pumps, maintainable water management drainage channels, along with control panels and alarms to complement our cavity drainage membranes. Double Drain can be used in conjunction with a primary waterproofing system, or on its own, to isolate the structure from the surrounding soil. Double Drain Sub-soil drainage as r equired See DE TAIL 3 RIW Membrane Sheetseal 900 0 Cavity Tray Top Edging StripDescription. About Us; Products + Browse by application. 2 boxes 1 No. NBS Source is the new home of the NBS National BIM Library - BIM objects and Revit families (free to download). Price: £ 179. RIW sump pumps provide effective mechanical drainage for all below-ground structures where a cavity drain system is being installed. Your product has been successfully added to your basket. A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. 5. 5 to 9mm wide in concrete and masonry, and. Cavity Drain R20 and R7 are typically used in basements and sub-structures, to channel water ingress to a sump or collection point for disposal. As the building rose out of the ground, the waterproofing strategy had to adapt to maintain continuity as both the structure and the retaining walls were stepped. Wykamol Cavity Drainage Membranes; Triton Cavity Membranes For Wall & Floors; Visqueen Cavity Drain System; RIW Cavity Drain; Sika. 07m x 20m) £344. Technical number: 01753 944200 Sales number: 01753 944210Any water collected by the RIW Cavity Drain system was then to be pumped back out of the basement. Enquire Now View. RIW Cavity Drain R7. Wykamol Cavity Drainage Membranes; Triton Cavity Membranes For Wall & Floors; Visqueen Cavity Drain System; RIW Cavity Drain; Sika. Designed to withstand expected site conditions, they can be re used several times. Drain and the primary membrane can be achieved by using Cavity Drain Sealing Rope. As the building rose out of the ground, the waterproofing strategy had to adapt to maintain continuity as both the structure and the retaining walls were stepped. co. Price: £ 94. Sizes. Compare this product to another (up to 4 items) A full list of data sheets, including liquid applied systems, DPC & Cavity Trays and many more PDFs - available to view online or download. The product is supplied in 2m x 75m roll format. It is light, clean and easy to use, rot-proof, non-absorbent, resistant to most chemicals and oils, non-staining and has high weathering and ozone resistance. Flexiseal PRO, as a system, is used in all situations where a high performance tanking or damp proof membrane is required. RIW Waterstop Literature View all literature . POA. Product.