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RIW are a leading waterproofing and damp proofing product supplier. The company is almost 100 years old and RIW stands for Remember It's Waterproof, which was the slogan of an advertisement for the company in 1921.

RIW manufacturer products such as the RIW Cementseal, a waterproof coating that is available to purchase from our site in 15kg. They also suply RIW Toughseal, which is used as a water vapour proof barrier that can be used on iron and steal.

If you require a RIW product that is not listed then call our office on 08454 530 017 or contact us by email at [email protected] for more information on prices and availability.

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