Why is there a different wall and ceiling vapour barrier treatment in the Eco-home demo house?

J

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

James Turk Nov. 22, 2021

In the Leeds 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?

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