Verifying red-pen test for air sealing

Hi,I’m building a single family residence in WA state (zone 4 Marine).Floor:Stegohome vapor barrier under 2×4 sleepers and T&G subfloor.  This is over a poorly finished concrete slab that has… Hi,I’m building a single family residence in WA state (zone 4 Marine).Floor:Stegohome vapor barrier under 2×4 sleepers and T&G subfloor.  This is over a poorly finished concrete slab that has…Read MoreGreenBuildingAdvisor