Air And Water Resistive Barrier

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Air and water resistive barrier.

A single material can function as all three an air vapor and water resistive barrier. A water resistive barrier is a thin membrane typically 5 to 15 mils thick 005 to 0 015 in. Many builders have turned to huber s zip system sheathing a type of osb with a coating of resin impregnated kraft paper. According to the usgbc.

Integrated barriers like lp weatherlogic air water barrier remove the need for multiple materials in an exterior wall assembly. 3 proven air barrier air barriers isolate interior and exterior environments and limit the amount of air that can infiltrate a structure or leak out of it. A one component fluid applied vapor permeable air water resistive barrier optimized for airless spray application. Air barrier water resistive barrier vapor permeable vapor retarder 45201 weathertech brochure 2018 r3 indd 2 4 23 18 12 42 pm.

Understanding the functions of the materials used is critical so that the building performs in accordance to the project requirements. Waterproof and resilient it may be spray roller or brush applied directly to approved wall substrates. There are also materials that function only as a water resistive barrier that are not air barriers. High performance air and water barriers resist air and water intrusion which reduces the amount of moisture vapor in the panels.

Function of a water resistive barrier.