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781 Silicone Sealant White 310ml

£6.05

Dowsil™ 781 is a one-part silicone sealant, which has excellent adhesion to a wide range of non-porous surfaces, including: glass, aluminium, painted surfaces and composite boards. It is fast curing and offers excellent resistance to ageing, shrinkage, cracking and discolouring. Suitable for glazing applications, weather sealing of sheet cladding, curtain walls, draught proofing and general internal sealing applications. It is tack-free in one hour with a working time of 5-10 minutes. It is listed by the UK Water Regulations Advisory Scheme (WRAS) for use in contact with potable water once cured. Conforms to ISO 11600-F&G-20LM. 781 has excellent weatherability, with an application temperature range +5 to +40°C and joint movement capability +/– 20%.

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