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FAQ
could I use the 1/4 .in on the wall of my new construction over 1/2 .in osb sheathing as a vapor barrier and scratch coat for a 1/2 .in thick stone veneer?

could I use the 1/4 .in on the wall of my new construction over 1/2 .in osb sheathing as a vapor barrier and scratch coat for a 1/2 .in thick stone veneer?

Wedi board is not classified as a vapor barrier, I have sent you a letter from wedi, as they may work for your project but need some additional considerations.