Technical number: 01753 944200
Sales number: 01753 944210
Technical Hotline
01753 944200
Customer Sales
01753 944210
RIW website content is moving from April 1st
To make it easier to access the latest information from our GCP brands in one place, RIW content previously hosted on riw.co.uk will be available on gcpat.uk/riw from 1 April.
All product information, technical documentation and support resources are available at gcpat.uk/riw
Structural Waterproofing, Basement Tanking & Damp Proof Membranes
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.