Dowsil 791 Weatherproof Outdoor Silicone Sealant

This 310ml cartridge of Dowsil™ 791 in Brown is perfect for weatherproofing applications where a natural, earthy finish is desired. The brown colour provides excellent colour matching with timber frames, terracotta, brick and natural stone, making it the ideal choice for heritage properties and traditional building projects. Formulated as a one-part neutral cure silicone, this weather sealing sealant offers exceptional adhesion to most exterior substrates whilst providing superior resistance to ozone, UV radiation and temperature extremes. Suitable for both commercial and domestic applications, it delivers reliable performance in all outdoor conditions. With a rapid 20-minute skin over time and tack-free in 45 minutes, it enables efficient working and quick project turnaround. The convenient 310ml cartridge format fits standard sealant guns, making it practical for professional tradespeople and DIY enthusiasts alike. Features and Benefits: • Brown colour complements timber and natural materials • 310ml cartridge for use with standard sealant guns • Fast curing with 20-minute skin over time • Conforms to ISO 11600-25LM and ISO 9047 class 50 • One-part neutral cure formula for easy application Specifications: Colour: Brown Size (ml): 310