Dowsil 781 Multi-Use Sealant White 310ml

Dowsil 781 Multi-Use Sealant White 310ml is a one-part silicone sealant designed for fast curing and reliable adhesion to non-porous surfaces such as aluminium, glass and painted substrates. It offers excellent resistance to ageing, shrinkage, cracking and discolouration, with good elasticity for flexible joints. Ideal for glazing, weather sealing of sheet cladding, curtain walls, draught proofing and internal sealing tasks. The acetoxy cure provides tack-free surfaces in around an hour and allows joint movement of ±20%, with 100% recovery to maintain a durable seal. Its performance stands up to UV and ozone exposure and extreme temperatures, making it a versatile choice for both exterior and interior projects. Easy to apply, it provides long-lasting, professional results with strong adhesion and minimal shrinkage.