RIW are the exclusive importers and distributors of the Kryton concrete waterproofing system. RIW are aim to offer complete waterproofing assurance to Architects, Engineers and Contractors. From sheet applied systems to structural drainage, sodium bentonite systems to cement based waterproofing, DPCs, gas proofing and movement joints; RIW has the waterproofing solution for your project. Innovative fast track waterproofing solutions, such as RIW Tilesafe, complement classic liquid systems such as RIW LAC; renowned throughout the industry as ‘two coats of RIW’