Dowsil 791 Weatherproof Outdoor Silicone Sealant

This 310ml cartridge of Dowsil™ 791 in Black provides a professional weatherproof seal with a finish that's ideal for dark-coloured frames, guttering and exterior applications where a subtle, unobtrusive appearance is required. The black colour offers excellent visual integration with many common building materials including dark UPVC, aluminium and composite materials. As a one-part neutral cure silicone, this weather sealing product delivers exceptional adhesion to most exterior substrates whilst offering outstanding resistance to ozone, UV radiation and temperature extremes. Perfect for both commercial and domestic projects, it ensures reliable, long-lasting performance in all weather conditions. With a 20-minute skin over time and tack-free in just 45 minutes, this sealant allows for efficient application and quick project completion. The 310ml cartridge size is ideal for standard sealant guns and provides excellent value for multiple sealing jobs. Features and Benefits: • Black colour ideal for dark frames and fittings • 310ml cartridge fits standard sealant guns • Fast 20-minute skin over time • Conforms to ISO 11600-25LM and ISO 9047 class 50 • Excellent weathering characteristics for exterior use Specifications: Colour: Black Size (ml): 310