Dow Corning - 791 Weatherproofing Silicone Sealant

DESCRIPTION

Dow Corning 791 is a one part, weatherproofing silicone sealant that gives excellent unprimed adhesion to most porous and non-porous construction substrates including brickwork, masonry, timber, PVC, glass and most metals.  

MAIN USES

For weathersealing of curtain walling, building facades and expansion joints. Also suitable for use as a frame sealant.  

BENEFITS

• Highly flexible
• Joint movement capability +/- 50%
• Excellent weathering characteristics, including resistance to ozone, UV radiation and temperature extremes
• Conforms to ISO 11600-F&G-25LM and also meets ISO specification 9047 class 50%
• 20-30 minutes working time
• Fast cure – tack free in 2 hours
• Application Temperature Range -25 to +50°C