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DISCOUNTS ON BULK QUANTITIES! FREE SHIPPING ON ORDERS $1,500+
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Air and Vapor Barriers

Air and vapor barriers are vital components in modern masonry construction, designed to prevent moisture infiltration, control vapor movement, and reduce air leakage. By maintaining a dry and energy-efficient environment, these barriers protect structural integrity, prevent mold growth, and enhance indoor comfort. Improve your next project’s performance - get premium air and vapor barrier solutions today!

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  • Hohmann & Barnard Enviro-Barrier - Fluid Applied Air, Water, & Vapor Barrier

    $278.10 - $2,633.58
    $278.10 - $2,633.58
    $278.10 - $2,633.58
    $278.10

    ENVIRO-BARRIER is a single-component, fluid-applied elastomeric membrane designed to provide an effective air, water, and vapor barrier when applie...

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    $278.10 - $2,633.58
    $278.10 - $2,633.58
    $278.10 - $2,633.58
    $278.10

  • Hohmann & Barnard Enviro-Barrier Silicone System

    $273.93 - $6,201.55
    $273.93 - $6,201.55
    $273.93 - $6,201.55
    $273.93

    ENVIRO-BARRIER SILICONE is a high-performance silicone-based air and water-resistive barrier (AWB) designed to coat and seal above-grade wall assem...

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    $273.93 - $6,201.55
    $273.93 - $6,201.55
    $273.93 - $6,201.55
    $273.93

  • Hohmann & Barnard Enviro-Barrier VP - Fluid Applied Vapor Permeable Air & Water Barrier

    $236.56 - $2,498.25
    $236.56 - $2,498.25
    $236.56 - $2,498.25
    $236.56

    ENVIRO-BARRIER VP is a reformulated, single-component, fluid-applied air and water barrier designed for above-grade wall assemblies. This vapor-per...

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    $236.56 - $2,498.25
    $236.56 - $2,498.25
    $236.56 - $2,498.25
    $236.56

  • Hohmann & Barnard X-Barrier Peel and Stick Barrier - 75' Roll

    $168.30 - $297.00
    $168.30 - $297.00
    $168.30 - $297.00
    $168.30

    X-BARRIER™ is a sheet-applied, self-adhesive membrane designed to provide a reliable air and water barrier for above-grade wall assemblies. It effe...

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    $168.30 - $297.00
    $168.30 - $297.00
    $168.30 - $297.00
    $168.30

  • PROSOCO Cat 5 Air & Waterproof Barrier

    $713.23 - $13,764.80
    $713.23 - $13,764.80
    $713.23 - $13,764.80
    $713.23

    STRONG, SEAMLESS PROTECTION AGAINST THE ELEMENTS Cat 5 is a single-component, silyl-terminated polymer (STP) air and waterproof barrier that’s appl...

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    $713.23 - $13,764.80
    $713.23 - $13,764.80
    $713.23 - $13,764.80
    $713.23

  • PROSOCO Cat 5 Rain Screen

    $748.92 - $14,452.80
    $748.92 - $14,452.80
    $748.92 - $14,452.80
    $748.92

    FLUID-APPLIED AIR AND WATER-RESISTIVE BARRIER FOR RAIN SCREEN CONSTRUCTION Cat 5 rain screen is a high-performance, fluid-applied membrane that del...

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    $748.92 - $14,452.80
    $748.92 - $14,452.80
    $748.92 - $14,452.80
    $748.92

  • PROSOCO R-Guard SureSpan Adhesive (Box of 20)

    $321.85 - $321.85
    $321.85
    $321.85 - $321.85
    $321.85

    USE TO ADHERE & SEAL SURESPAN EX R-Guard SureSpan Adhesive is a gun-grade adhesive that combines the best of silicone and polyurethane properti...

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    $321.85 - $321.85
    $321.85
    $321.85 - $321.85
    $321.85

  • PROSOCO Spray Wrap MVP Fluid-Applied Air and Water-Resistive Barrier

    $208.30 - $7,371.47
    $208.30 - $7,371.47
    $208.30 - $7,371.47
    $208.30

    FLUID-APPLIED AIR & WATER-RESISTIVE BARRIER Spray Wrap MVP is a high-performance, fluid applied membrane that stops air and water leakage in ca...

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    $208.30 - $7,371.47
    $208.30 - $7,371.47
    $208.30 - $7,371.47
    $208.30

  • PROSOCO Spray Wrap Rain Screen Fluid-Applied Air & Water-Resistive Barrier

    $208.30 - $7,371.47
    $208.30 - $7,371.47
    $208.30 - $7,371.47
    $208.30

    SPRAY-APPLIED AIR & WATER-RESISTIVE BARRIER FOR RAIN SCREEN SYSTEMS Spray Wrap Rain Screen is a high-performance, fluid-applied air and water b...

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    $208.30 - $7,371.47
    $208.30 - $7,371.47
    $208.30 - $7,371.47
    $208.30

  • PROSOCO SureSpan EX

    $618.47 - $1,852.87
    $618.47 - $1,852.87
    $618.47 - $1,852.87
    $618.47

    PROVIDES CONTINUOUS TRANSITION AND BRIDGING TO EXISTING AIR BARRIER MATERIALS SureSpan EX provides continuous, elastomeric bridging between differe...

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    $618.47 - $1,852.87
    $618.47 - $1,852.87
    $618.47 - $1,852.87
    $618.47

  • PROSOCO Thru-Wall Flashing 18" x 75' (2 Rolls/Box)

    $642.30 - $642.30
    $642.30
    $642.30 - $642.30
    $642.30

    PRIMERLESS, ABRASION-RESISTANT AIR BARRIER PROTECTION Thru-wall flashing features an extra-tough, abrasion-resistant facer designed to protect agai...

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    $642.30 - $642.30
    $642.30
    $642.30 - $642.30
    $642.30

  • PROSOCO VB Fluid-Applied Air & Water-Resistive Barrier and Water Vapor Barrier

    $243.38 - $7,046.40
    $243.38 - $7,046.40
    $243.38 - $7,046.40
    $243.38

    R-GUARD VB (VAPOR BARRIER) FLUID-APPLIED AIR, WATER, AND VAPOR BARRIER FOR MASONRY AND WALL ASSEMBLIES R-Guard VB is a high-performance, fluid-appl...

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    $243.38 - $7,046.40
    $243.38 - $7,046.40
    $243.38 - $7,046.40
    $243.38

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