Or 0 13 to 38 mm which is intended to resist liquid water that has penetrated behind the exterior cladding.
Air and water resistive barrier.
High performance air and water barriers resist air and water intrusion which reduces the amount of moisture vapor in the panels.
According to the usgbc.
Contact the air and.
Many builders have turned to huber s zip system sheathing a type of osb with a coating of resin impregnated kraft paper.
Function of a water resistive barrier.
The layer beneath the siding the water resistive barrier or wrb is what will protect the plywood or oriented strand board osb sheathing from any water that sneaks in.
Air barrier water resistive barrier vapor permeable vapor retarder 45201 weathertech brochure 2018 r3 indd 2 4 23 18 12 42 pm.
A single material can function as all three an air vapor and water resistive barrier.
There are also materials that function only as a water resistive barrier that are not air barriers.
What is a water resistive barrier.
A water resistive barrier is a thin membrane typically 5 to 15 mils thick 005 to 0 015 in.
A one component fluid applied vapor permeable air water resistive barrier optimized for airless spray application.
Integrated barriers like lp weatherlogic air water barrier remove the need for multiple materials in an exterior wall assembly.