Vapour barrier differences in walls and roofs / Discussions

A different wall and ceiling vapour barrier treatment in the Eco-home: How come?

In the LEED V4 Platinum house the wall construction vapour treatment was different from using poly in the roof...having convincingly demonstrated why the wall vapour barrier system and wall construction was better for a Canadian climate...would one not then do the same for a roof? Hi James, there isn't the same inward ...

Posted by James Turk Nov. 22, 2021 Air and vapour barriers 1 response