Silicon Sealant 789
Dowsil™ 789 is a one-part, neutral-cure, silicone sealant specially designed for curtain walling, structural glazing, and weatherproofing applications. It provides excellent adhesion to a wide variety of building substrates including glass, aluminum, steel, and coated metals without the need for a primer in most cases.
Key Features:
Neutral cure – low odor, non-corrosive to metals
Excellent adhesion on most common building materials
High UV, ozone, and weather resistance
Maintains flexibility over a wide temperature range
Long-lasting durability and performance
Applications:
Sealing curtain wall joints
Perimeter weather seals for windows and doors
Structural and non-structural glazing
Expansion and control joints in buildings