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DOWSIL™ 790 Silicone Building Sealant

  • Overview

    A one-part silicone formulation that cures in the presence of atmospheric moisture to produce a durable, fire-resistant, flexible and ultra-low-modulus silicone rubber building joint seal.

    Weatherseal for Porous Substrates
    Industry standard for concrete and masonry joints

    High Flexibility
    Allows movement from +100/-50% of the original joint width

    Extra Assurance
    Available with a 20-year limited weatherproofing warranty

    Mandalay Bay Resort & Casino in Las Vegas, NV

    Simply the Best-Performing Weatherseal for Stone, Concrete and Masonry Construction

    For over 50 years, DOWSIL™ 790 Silicone Building Sealant has 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, and EIFS joints. The wide range of colors available makes it easy to match your project.

    You may also be interested in the following products:

    DOWSIL™ 795 Silicone Building Sealant

    DOWSIL™ Contractors Weatherproofing Sealant

    DOWSIL™ 791 Weatherproofing Sealant

    DOWSIL™ 983 Structural Glazing Sealant Base and Curing Agent

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