Vapour barrier paint / Discussions

How do you stop moisture and mold from forming behind drywall in a new basement?

...vapour barrier paint on the drywall, no poly vapour barrier. We had to hire and investigate on our own to make the warranty claim. Warranty has not been helpful what so ever and the builder is also not actively involved as they wait for instruction from home warranty. The problem identified by a building science compan...

Posted by Keri Peters July 12, 2022 Basements improvements 3 responses

Can you use a vapour retarder paint on the ceiling instead of using a poly vapour barrier?

...vapour retarder paint along with an outside air barrier.  Can you do this for the ceiling as well, thereby taking out that possible weak spot where the vapour barrier joins in with your walls? Vapour barrier paint (or Vapor barrier paint in the U.S. ) is more of a solution for walls rather than ceilings to prevent the ...

Posted by Anwas Qwelten June 8, 2019 Air and vapour barriers 2 responses