Vapour barrier / Discussions

...barrier right? To clarify - a post and beam home (timber frame) would have support posts with wall openings between them, from what you say I will assume stacked logs, but correct me if that is wrong. based on that - yes, the air barrier location if perfect. I would point out that some air barrier materials allow moist...

...barrier placement and how much insulation, but since you mention that it is boards, and not plywood or OSB, you will for sure have air leakage though them, so step one is an air barrier membrane. You can see our Air Barrier DIY install video here, and with knowing your climate zone we can go over options together. 

I read a couple of articles regarding vapor barriers and insulation.  I live in update NY, our home was constructed in 1952.  We are adding a full shed dormer with 2x6 walls and 2x12 rafters.  Our plan is to use closed cell in the walls and ceiling - which will have a copper standing seam roof.  Code requires a Tyvek t...

...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 sho...