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Contractor-Focused Masonry Supply — Delivered Nationwide
Contractor-Focused Masonry Supply — Delivered Nationwide

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Sealants and Waterproofing

Achieving a watertight seal is essential in masonry applications, making it essential for contractors to invest in the right sealants and tools to get the job done. Masonry Direct is here to serve as your trusted online source for masonry supplies, tools, and expertise. Since 1888, our family-owned business has worked to provide the best sealants and flashing equipment needed for a quality finish. Need help? Contact us online for complete assistance!

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  • Sikaflex®-15 LM 20 oz Sausage – Low Modulus Polyurethane Sealant

    $15.50 - $15.50
    $15.50
    $15.50 - $15.50
    $15.50
    20.0floz | $0.78 / floz

    Sikaflex-15 LM is a high-performance, low-modulus, 1-component polyurethane sealant designed for demanding construction and facade applications. Th...

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    $15.50 - $15.50
    $15.50
    $15.50 - $15.50
    $15.50
    20.0floz | $0.78 / floz

  • Sikaflex® NP 1 20 oz Sausage – Polyurethane Construction Sealant

    $15.50 - $15.50
    $15.50
    $15.50 - $15.50
    $15.50
    20.0floz | $0.78 / floz

    Sikaflex NP 1 (formerly MSeal NP 1) is a one-component, gun-grade polyurethane sealant designed for high-performance sealing and acoustical applica...

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    $15.50 - $15.50
    $15.50
    $15.50 - $15.50
    $15.50
    20.0floz | $0.78 / floz

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