Vapor barrier paint / Discussions

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

...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, 3:56 p.m. Air and vapour barriers 2 Responses

How do you apply vapor barrier and insulation to a CMU house?

...paint vapor barrier, and which side of the block should I apply it to? Foundation made of CMUs (aka Cinder block foundations ), are trickier to fix than poured ...

Posted by Scott Brekke Nov. 22, 2019, 9:37 a.m. Basements improvements 1 Responses

How do you best use polyiso insulation in a basement?

...vapor barrier & ½” gypsum drywall, sealed with drywall sealer and painted with vapor barrier paint. What problems do you see with this detail? Thank you Polyi...

Posted by Iain Matheson Jan. 24, 2020, 7:45 p.m. Basements improvements 1 Responses

What is the best way to deal with a drop ceiling in a high humidity room?

...barrier and possibly paint it to also be a vapor barrier. Then use unfaced mineral wool or fiberglass batts. But the tongue and groove boards would be nailed th...

Posted by steve Roberts Dec. 24, 2019, 8:01 p.m. Walls and ceilings - interior surfaces 1 Responses

Does paint work instead of a poly vapour barrier?

...barrier, several coats of paint, and specifically oil paint can make a suitable vapour barrier. You can even buy vapor barrier paint / vapor retarder primer . T...

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

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

...barrier paint (or vapour retarder primer) check with an inspector ahead of time. As for the toxicity, We used Benjamin Moore vapor barrier paint which was low V...

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

Is the ZIP sheathing system good or bad for water control?

...barrier DIY installation video . And where did you find the vapor barrier paint here on our site or somewhere else? We tried it (we could because we did the e...

Posted by Trevor Prinz Nov. 26, 2019, 4:03 p.m. Walls and Roofs 5 Responses

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

...barrier are two different things, so let’s address them separately. And since you didn’t write ‘ vapor barrier ’ I suspect you are writing from Canada? There’s ...

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

What type of Insulation can I use on the exterior of my home?

...vapor barrier , but as it likely has multiple coats of oil paint by now it would pretty much have an interior ‘vapor barrier’ anyway, just with a few generation...

Posted by Scott Muller April 18, 2019, 2:19 p.m. Wall assemblies - renovation 6 Responses

Followup to the question How do you install Larsen Trusses on a home in Minneapolis?

...paint, 2x4 studs, and is insulated with blown in cellulose. The exterior sheathing boards are1x's. I’ve done thermal scans of the walls. There doesn’t seem to b...

Posted by Ken Traefald Feb. 27, 2020, 1:49 p.m. Wall assemblies - renovation 1 Responses

Can I add Larsen Trusses and cellulose to 1920s House in Minneapolis?

...vapor barrier on the outside of a building is not a wise. I’m wondering if perhaps you misread that? You should never put a vapor barrier on the exterior of a w...

Posted by Ken Traefald Feb. 17, 2020, 2:30 p.m. Wall assemblies - renovation 3 Responses

How do you insulate a ceiling and finish it on the inside with wood?

...vapor barrier. And it sounds to me like you have something of a timber frame ceiling at least, which would give you room to insulate between the purlins or ra...

Posted by antonija klotz Oct. 20, 2019, 7:31 p.m. Roof assemblies - renovation 1 Responses

How can I get rid of moisture between the vapor barrier and the insulation in a basement?

...vapor barrier i.e. the side closest to the insulation. The vapor barrier is dry to the touch from inside the basement. The answer is actually pretty easy but no...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 15 Responses

Is it OK to put 1 inch of EPS under vinyl siding with no wall insulation?

...vapor barrie paint help over the old paint. What type of house wrap and where do you put it under EPS or over EPS. Roger and Judy Smith It seems like yo...

Posted by Roger Smith Nov. 12, 2019, 6:34 a.m. Wall assemblies - renovation 7 Responses