Vapor retarder / Discussions

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

...vapor retarder prime / vapor barrier paint on the Edelweiss House rather than a standard 6 mil polyethylene vapour barrier partly because we already had an Air ...

Posted by Anwas Qwelten June 8, 2019, 3:56 p.m. Air and vapour barriers 2 Responses

Where should I put a vapour retarder?

...retarder and two-thirds outside. Would it make sense to put up one layer of insulation before wrapping with vapour barrier, and then two (or three) more layers ...

Posted by Jeffrey Connell March 14, 2020, 4:25 p.m. Wall assemblies - new construction 4 Responses

The thickness of vapor retarding latex paint - Is measurement wet or dry?

...vapor retarder primer (vapor barrier paint) in our Edelweiss LEED Platinum Demo House instead of a 6 mil poly vapor barrier , it was for the walls not the floor...

Posted by Kim Boas July 24, 2020, 10:36 a.m. Basements improvements 3 Responses

Can you Insulate a cinder block basement foundation with Rockwool?

...vapor retarder or just use latex paint ? Code doesn’t require any vapor retarder in my area. But I am also trying to avoid getting condensation on cold foundati...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 5 Responses

How do I create a complete air barrier using a vapour retarding primer?

...vapor retarder primer is an option since you've dealt with air leakage), or an interior air/ vapor barrier like the standard 6-mil poly. Feel free to give som...

Posted by Mihai Wilson May 3, 2018, 10:15 p.m. Wall assemblies - renovation 1 Responses

Does using T & G wood plank instead of drywall affect where we put the vapor & air barrier?

...retarder primer) check with an inspector ahead of time. As for the toxicity, We used Benjamin Moore vapor barrier paint which was low VOC but not Zero VOC unfor...

Posted by Sue Colbourne Nov. 9, 2019, 6:16 p.m. Walls and ceilings - interior surfaces 3 Responses

Does paint work instead of a poly vapour barrier?

...vapor barrier paint / vapor retarder primer . The bigger concern would be, does your home have an air barrier? More often than not over the last many decades th...

Posted by Bill Fletcher May 6, 2020, 1:46 p.m. 1 Responses

Should a Vapor Barrier be installed over Exterior Grade Plywood?

...vapor barrier or vapor retarder, perhaps a ‘smart’ membrane. The following video explains fairly simply how vapor moves through walls and will help you understa...

Posted by Michael Klauck March 6, 2020, 1:24 p.m. Air and vapour barriers 1 Responses

How do you do a vapor barrier in a dense pack cellulose wall?

...vapor barrier , strapping and drywall. And to be clear, you absolutely need a vapor control layer of some kind on the warm side of the insulation to be complian...

Posted by Ian MacKay July 26, 2018, 2:48 p.m. Wall assemblies - renovation 4 Responses

How do you install rigid insulation to the outside of a brick house"

...vapor barrier ’ I suspect you are writing from Canada? There’s no place in the great white north where you would want to put a vapour barrier on the outside of ...

Posted by Gordon CASWELL Dec. 13, 2019, 11:38 a.m. Wall assemblies - renovation 1 Responses

Can you provide Crawlspace Insulation Design Assistance?

...vapor barrier / vapor retarder products are a poly, foil is among the least permeable materials, I just want to make sure you are getting the kind of product yo...

Posted by Randy Christensen Dec. 10, 2019, 12:17 p.m. Crawl spaces 1 Responses