Air sealing / Discussions

...air reaches the cold vapor barrier. Your plan to include mechanical ventilation and a dedicated dehumidifier is the most critical step to keeping those interior humidity levels low enough to prevent beads of water from forming behind the studs. Basement encapsulation : the best way to upgrade basements and prevent mold...

I have noticed  heavy frost build up in my attic space the last 2 years in my home. It is 5 years old and had R50 of cellulose fibre blown in when built. The moisture barrier is properly installed and not modified. I got a bit of leakage in the spring through my master bathroom ceiling.  I have a 6/12 pitch roof with g...

The builder on this 15 year old home ran the heat runs in the exterior joist space, he then insulated against the rim joist and under the heat runs, then wrapped from the mud sill to the underside of the plywood on the interior of the first joist and sealed the poly to the plywood with acoustical caulk, we will now spr...

...air barrier was installed up to the top of the exterior wall. I wonder how to prevent the air from entering between the top plate of the wall and the OSB r4? The roof trusses are already laid on the top of the wall, so it is difficult to put red tape on the length of the wall. I have the impression that the air barrier...