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Weathersealing Products


Dow Corning® 790 Silicone Building Sealant


Simply the Best-Performing Weatherseal for Stone Curtainwall and Masonry Construction

Introduced in 1972, Dow Corning® 790 Silicone Building Sealant has long been the standard for weathersealing performance in new construction and renovation applications around the world, especially on stone and masonry surfaces. A neutral-cure, one-part sealant that quickly cures to a durable, flexible seal, its excellent movement capabilities (+100/-50 percent of the original joint width) make it ideal for sealing expansion and control joints, precast concrete panels and seismic joints, EIFS joints, and curtainwall and mullion joints.  And the wide range of colors available makes it easy to match your project.

Available in 11 Standard Colors*

Black · Precast White · Natural Stone · Charcoal · Blue Spruce · Bronze · Dusty Rose ·  Gray · Adobe Tan · Rustic Brick · Sandstone

View the Dow Corning 790 Silicone Building Sealant Color Selection Guide (55k PDF file)

* The product is also available in a virtually unlimited palette of custom colors. See the Custom Color Request form for additional information.

Dow Corning 790 Silicone Building Sealant is available with a 20-year limited weatherproofing warranty. For additional information, contact your Dow Corning representative.

Want to Know More?

If you need additional information, please contact us.

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Mandalay Bay Resort & Casino, Las Vegas, NV
Custom color Dow Corning® 790 Silicone Building Sealant was specified for its superior movement capabilities to seal between EIFS and aluminum framing on the 43-story Mandalay Bay Resort & Casino in Las Vegas, Nevada.

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