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"Vapor barrier"

Vapor barrier / Discussions

  • 1 - 18 of 60 Posts

Do you need a vapor barrier between the attic and living space?

...barrier, should a vapor barrier (non permeable) be used to hault moisture flow between the attic and living space. Thinking permeable is better but I'm hearing ...

Posted by Jim Williams April 25, 2023 Air and vapour barriers 3 responses

What is the proper location of a vapor barrier in a home in New York State?

...vapor barriers and insulation.  I live in update NY, our home was constructed in 1952.  We are adding a full shed dormer with 2x6 walls and 2x12 rafters.  Our p...

Posted by Michael Boice Jan. 15, 2022 Air and vapour barriers 2 responses

How can I insulated the outside walls of a workshop without doing harm?

...barrier, so that would be adding a vapour barrier to the outside of a building, which is bad thing. But, even 2 inches of EPS foam is in itself, pretty much a v...

Posted by Charley Nelson Aug. 27, 2021 Wall assemblies - renovation 3 responses

Do I need a vapour barrier in Ontario?

...barrier on the interior warm side if I'm using house warp on outside? Will a good sealing primer prevent any moisture from travelling through walls? Thanks!

Posted by Gordon Harold April 22, 2021 Air and vapour barriers

Should I put gravel on a crawl space floor for drainage?

...vapor barrier. Without that moisture from the ground will continuously rise into the space and risk causing mold and mildew. 

Posted by Karen Lundgren Foulk April 12, 2021 Crawl spaces 1 response

How thick should EPS foam insulation on basement walls be?

...vapor barrier. Read more here about the characteristics and applications of different types of foam insulation, as they are all a bit different and not all grea...

Posted by Derrick R March 17, 2021 Insulation and soundproofing 3 responses

What are the best Wall and Roof insulation choices and rain screen?

I am doing renovation and addition to the house and trying to make it as airtight as possible. After reading through multiple articles and your responses I was ...

Posted by Valeriy Kraydman March 15, 2021 Exterior cladding

If the foundation wall has tyvek wrap will it trap moisture?

...vapor barrier covering it, the vapor barrier is your problem. It's stopping the moisture from escaping where it can be handled by HRV systems. You will read in ...

Posted by Hos Boss March 9, 2021 Basements improvements 1 response

I have many issues with my house where should I start?

...barrier so you can find and fix them.  That list of questions is pretty long, and I think the best place for you to start is figuring out what your budget is to...

Posted by Bryan Squirrell Sept. 29, 2019 Wall assemblies - renovation 1 response

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does go?

...vapor barrier down before or after the EPS foam insulation and as there's a chance of radon what specification of vapor barrier do I need, plus can this do the ...

Posted by Grady 22 Aug. 17, 2019 Air and vapour barriers 3 responses

Do frost lines where studs are on a wall show a failure of spray foam insulation?

I have a customer with frost problems whose home shows every stud from the outside on a winter day. Would you say their spray foam insulation has failed? It's h...

Posted by Gerald Crozier July 22, 2019 Insulation and soundproofing 1 response

Can you spray foam a house from the outside?

...barrier, and as long as you have at least 2 inches it would also be a suitable vapor barrier, and it will offer you thermal protection with the highest R value ...

Posted by Joan Lawrence July 11, 2019 Wall assemblies - renovation 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 foundat...

Posted by Victor B June 19, 2019 Basements improvements 6 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 Air and vapour barriers 2 responses

Can I spray foam insulate from the outside?

...barrier. And read here for more information about choosing breathable weather barriers. Most specifically, read our guide page to find the best way of installin...

Posted by Kurt Klischuk June 6, 2019 Wall assemblies - renovation 3 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 generations...

Posted by Scott Muller April 18, 2019 Wall assemblies - renovation 5 responses

How should I insulate basement Walls in climate zone 5?

...vapor barrier to the concrete or between the studs and drywall and the mineral wool has no vapor barrier.  Is this space between concrete and studwall a terribl...

Posted by Chad Johnson March 25, 2019 Basements improvements 1 response

How do you prevent walls from rotting in humid climates?

...barrier have had mould show up in less than 2 years on his north wall.  How can we avoid getting mould? If your neighbour had their walls rot that could be for ...

Posted by Rose Alderson Nov. 5, 2018 Wall assemblies - new construction 3 responses
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