DOWSIL™ 790 Silicone Building Sealant

A one-part, ultra-low-modulus, neutral-curing silicone elastomeric sealant for use in high-movement weathersealing applications. It has excellent primerless adhesion to concrete and most porous substrates and is available in a wide variety of colors.

• Weathersealing joints between natural stone
• Curtainwall and mullion weatherseal joints
• Expansion and control weatherseal joints
• Precast concrete panel and many other construction weatherseal joints.

• Suitable for porous substrates
• Excellent unprimed adhesion to masonry, concrete and natural stone substrates
• Low-staining and plasticizer free
• Ultra-low-modulus
• Extension/compression joint movment capability of +100/-50%
• Excellent performance even in building joints that experience extreme movement
• Conforms to ISO 11600F-25LM
• Excellent weathering properties and resistance to sunlight, rain, snow, and temperature extremes
• Easy application over a wide temperature range.