Description
Product Data Sheet
DOWSIL™ 799 Silicone Glass and Metal Building Sealant is a noncorrosive sealant that cures in the presence of atmospheric moisture. This product exhibits unprimed adhesion to many construction materials. Once cured, the sealant forms a durable and flexible bond with most building materials. In most cases, no prime coat is required. DOWSIL™ 799 Silicone Glass and Metal Building Sealant available in clear, black, white and gray. DOWSIL™ 799 Silicone Glass and Metal Building Sealant will provide years of worry-free performance against rain, sun, and temperature extremes. Approvals/Specifications ASTM Specification C-920 Type S, Grade NS, Class 25, Use NT, G and A.
Features & Benefits
- Primerless – can be used with many materials without the use of a primer
- Noncorrosive – will not react with or corrode common building materials
- Fast cure – 5 to 10 minutes tooling time and 20 minutes tack-free time
- Excellent weather resistance against sunlight, rain, snow, and temperature extremes
- Long-life reliability – cured sealant stays elastic from -40°C to 149°C (-40 to 300°F)
- AAMA Certified Composition
Composition
- One-part RTV silicone sealant
Applications DOWSIL™ 799 Silicone Glass and Metal Building Sealant is designed for:
- Conventional glazing applications
- Weatherseal applications including perimeter sealing of doors and windows
- Sealing around metal building flashings, gutters and gutter outlets
- Factory-applied glass where it would serve as the primary seal bedding compound in a finished sash
