British Board of Agrément (BBA)
We help design and project delivery teams keep water and ground gases out of buildings.
British Board of Agrément (BBA)
RIW has been a generic term for waterproofing solutions for over 90 years; our name even stands for ‘Remember It’s Waterproof’ from an old ad slogan in 1921. RIW offers the most expert technical advice for commercial waterproofing and damp proofing applications above, below and at ground level. From basement tanking, podium decking, raised access floors and plant rooms to lift pits and movement joints – RIW provides the best design advice on your waterproofing strategy. We provide complete structural waterproofing systems, including liquid and sheet applied solutions, drained cavity systems and cementitious products. If you need technical advice on superstructures, damp proof membranes, decks or roofs, call RIW. Our in-house structural engineers and technical advisors offer a full consultation and design service including preparation of sectional details, approval of drawings, site inspections and ongoing site support. We also work closely with a nationwide network of Specialist Waterproofing Contractors who can provide fully guaranteed installation of our systems. RIW provide waterproofing solutions from basement to roof.
RIW DPM Red - Damp Proof & Radon Resistant Membrane
RIW Gas Seal GR DPC - Damp Proof Course
RIW Sheetseal 226 - Self-Adhesive Waterproof Membrane.
RIW Cementflex - Cementitious Waterproof Coating
RIW Flexiseal 500 HG
RIW Structureseal GPT
RIW Multijoint
RIW Cavitydrain R7