Dowsil 781 Silicone Sealant

Dowsil™ 781 Silicone Sealant in White, supplied in a 310ml cartridge, is the go-to choice for achieving clean, professional-looking finishes on UPVC windows, white-painted surfaces and light-coloured cladding systems. This popular variant provides excellent colour matching for contemporary building applications whilst delivering the reliable performance demanded by trade professionals. The white formulation offers exceptional adhesion to glass, aluminium, painted surfaces and composite boards, with outstanding resistance to yellowing, shrinkage and cracking over time. With a working time of 5-10 minutes and becoming tack-free in one hour, this sealant supports efficient workflow on both new installations and maintenance projects. Features and Benefits: • White finish perfectly complements UPVC and light-coloured surfaces • 310ml cartridge compatible with standard sealant guns • Excellent resistance to yellowing maintains appearance • One-part formulation for straightforward application • 14-minute skin over time allows rapid job progression • Conforms to ISO 11600-F&G-20LM standards Specifications: Colour: White Size (ml): 310