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
