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DOWSIL™ 758 Silicone Weather Barrier Sealant

  • Überblick

    A one part, neutral cure silicone sealant, designed for adhering to low energy surfaces common in sheet or peel and stick weather resistant barriers. Primerless adhesion to LDPE, anodized aluminum, vinyl, powder coated aluminum, Kynar® coated aluminum.

    Compatible
    Will adhere to challenging substrates or materials

    Extended Durability
    Delivers long-lasting silicone performance

    Unprimed Adhesion
    Bonds to the most demanding substrates without primer

    DOWSIL™ 758 Sealant sticks to most demanding substrates without primer

    Get Primerless Adhesion to Window Flashing and Fenestration Materials

    Innovative DOWSIL™ 758 Silicone Weather Barrier Sealant solves the challenge posed by plastic- and polyolefin-based window flashing and fenestration materials, sticking to the most demanding substrates without need for a primer.

    Low-VOC DOWSIL 758 Silicone Weather Barrier Sealant offers strong adhesion to the most challenging materials, including:

    • Self-adhered window flashing and wraps
    • Nonwoven spunbound window flashing and wraps 
    • Polyethylene wraps 
    • Polyethylene surfaces
    • Polypropylene surfaces
    • Common polyolefins
    • PVC
    • Steel, aluminum and metals
    • Fluorinated surfaces

    Supplementing its high adhesion strength, DOWSIL 758 Silicone Weather Barrier Sealant features:

    • Long-term silicone durability 
    • Low-VOC formulation 
    • Single-component, primerless application 
    • ±25% movement capability
    • Passes 5,000 hr QUV test
    Detail drawing showing DOWSIL™ 758 Sealant placement
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