DOWSIL™ 991 Silicone High Performance Sealant
Overview
DOWSIL™ 991 Silicone High Performance Sealant is specially formulated to prevent staining of porous substrates such as natural stone and minimize streaking on metal panels and glass. It forms a durable, flexible, watertight bond with most building materials and can be used for new and remedial construction applications.
Features
- Improved aesthetic performance
- Meets ASTM Specification C 920
- Medium modulus, high movement capability – can accommodate ± 50% movement in a properly designed joint
- Outstanding UV and weathering resistance
- 10-year Limited Weatherseal and Non-Staining Warranties are available
- One-part easy to use formulation
- Formulated to prevent staining of porous substrates and reduce streaking on glass and metal panels to improve building aesthetic performance
- Excellent weathering and durability resulting in longer lifecycle and superior long-term weatherproofing
- Excellent unprimed adhesion to most building substrates
Application
- Non-staining on natural stone and reduces residue rundown on metal and glass panels
- Good unprimed adhesion to a wide variety of building materials such as natural stone, glass, metal, ceramic tile, fluorocarbon paint finishes and anodized aluminum
Standard Colours:
- Black, Grey, Bronze, Limestone, White, Charcoal, Dark Grey, Sandstone, Pink
