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DOWSIL™ Contractors Weatherproofing Sealant

  • Overview

    A one-part, moisture cure, medium modulus sealant that provides durable, flexible, watertight joints and offers outstanding unprimed adhesion to most non-porous substrates. It is specifically developed for sealing dynamically moving joints.

    Higher Performance
    100% silicone solution outperforms urethane

    Durable Adhesion
    Balanced adhesive strength, medium modulus and high recovery

    Weatherproof
    All-weather gunnability and performance

    Office building with blue sky

    No-Compromise Silicone Sealing at Urethane-Competitive Prices

    Quality-conscious architects, specifiers and construction professionals already know that  silicone sealants from Dow Consumer Solutions outperform urethane. But if you thought silicone was only for big-budget, high-end construction projects, think again. With DOWSIL™ Contractors Weatherproofing Sealant (CWS), you can enjoy the long-life weather resistance of silicones.

    This versatile, one-part 100% silicone sealant delivers outstanding life-cycle value and lower installed costs at a price that is competitive against comparable urethane products. Virtually unaffected by ultraviolet (UV) light and weather extremes, DOWSIL Contractors Weatherproofing Sealant provides all-weather application and performance. Plus, it's far more durable than organic-based materials — protecting buildings typically three times longer than organic materials in the same applications.

    FEATURES

    • Primerless on EIFS and most common nonporous building substrates, including glass and aluminum
    • Balanced adhesive strength, medium modulus and high recovery
    • Excellent all-weather gunnability and performance 
    • Extension/compression capability of ±25 to ±40 percent 
    • Available in 10.3 ounce cartridges, 20 ounce sausages and two gallon pails 
    • Choose from 20 standard colors, 19 special colors and custom colors, too
    • 5 Year Weatherseal Limited Warranty

    APPLICATIONS

    • Dynamically moving joints such as expansion and control joints 
    • Concrete panel joints 
    • Tilt-up panel joints 
    • Curtainwall joints 
    • Frame-to-structure and perimeter caulking of windows, doors, panels, EIFS, bedding of mullions, panels and frames, etc.

    Urethane Busters
    Don't compromise on performance: Dow Consumer Solutions delivers silicone sealant performance at urethane-competitive prices.

04004365z

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