Vapor barrier with wood walls / Discussions

What is your advice on exterior wall insulation for a tiny home?

...wood, plastic vapor barrier, I see no mention of insulation for you Tiny House, but there is a comma after vapor barrier so I’m wondering if you acciden...

Posted by Mitch Fowler Aug. 27, 2020, 7:04 p.m. Tiny house 1 Responses

Should a Vapor Barrier be installed over Exterior Grade Plywood?

...Vapor Barrier to be necessary? Thank-you Michael Vapor barriers can be a problem with homes that are air conditioned, because it reverses the vapor drive. When ...

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

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

...with the vapor barrier sandwhiching the wood in with the moisture is only ever going to lead to rot. We have a full basement with a treated wood foundation in M...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 30 Responses

Should I vent the space between a block wall and vapor barrier?

...wood paneling, sheetrock, 2x4 wood studs, and fiberglass insulation. The old walls were just about touching the block walls and had no barrior between them. I n...

Posted by Nick Santore Oct. 10, 2020, 2:03 a.m. Basements improvements 1 Responses

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

...wood or interior plywood walls will not make any difference to the ideal location of the vapour barrier (or ‘vaporbarrier depending on your country) since the...

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

How do you insulate concrete basement walls and avoid mould?

...vapor barrier. That is also why you should never put an interior vapor barrier on basement walls, since the source of moisture that could damage the walls is no...

Posted by William Hunter Feb. 22, 2021, 11:40 a.m. Basements improvements 2 Responses

What is the best way to do a basement renovation?

...vapor barriers was originally to prevent moisture accumulation and damage in walls, which it does above grade, but below grade a vapor barrier CAUSES moisture a...

Posted by BIG FOOT Nov. 18, 2020, 9:33 a.m. Basements improvements 1 Responses

Is there anything I can do about a vapor barrier on the wrong side of a basement wall?

...wood directly on the concrete, put R19 batts between the studs, and covered the whole thing with a poly vapor barrier and then drywall. So the vapor barrier see...

Posted by Iain B Feb. 8, 2021, 2:21 p.m. Basements improvements 7 Responses

Where is the correct vapor barrier location in Chicago?

...vapor barrier also be the air barrier? There is a difference between the two, read more here first – The difference between air barriers and vapor barriers ...

Posted by Joel Peerson Jan. 31, 2021, 7:31 p.m. Air and vapour barriers 2 Responses

Is it a good or bad idea to spray foam directly on the interior of shiplap siding?

...wood. Exterior siding is meant as a weather shield, it protects the control layers of your wall (air barrier, vapor barrier, insulation, weather barrier) , so y...

Posted by MITCHELL KOCH Aug. 21, 2020, 3:49 p.m. Exterior cladding 1 Responses

Where should I put a vapour retarder?

...walls will be wood paneling attached on the outside of the beams. For the next layer, I am thinking to wrap with vapour barrier. Six to eight inches of rigid ro...

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

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

...wood immediately above the tongue and groove ceiling boards and seal it as air barrier and possibly paint it to also be a vapor barrier. Then use unfaced minera...

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

Will spray foam on basement walls prevent condensation?

...with above grade walls, it's the wet concrete and wet ground. A vapour barrier should be right against the concrete to separate the wood from the moisture, but ...

Posted by Michael Scott April 12, 2021, 9:17 p.m. Basements improvements 3 Responses

What is the best way to insulate a concrete block house?

...walls I was planning on attaching foil bubble wrap to the existing furring strips for a radiant and moisture barrier. Then stud out the inside and R13 insulatio...

Posted by kent wardecke Oct. 17, 2020, 11 a.m. Foundation and basement improvements 2 Responses

How do you remove moisture and condensation from basement walls?

...vapor barrier . This page explains what a mistake a basement vapor barrier is - Why are Basements Moldy? How to Fix & Prevent Mold in Homes A dehumidifier i...

Posted by Aaron Keating July 27, 2019, 4:51 p.m. Basements improvements 3 Responses

Is spray foam a good way to insulate a house from the exterior?

...vapor barrier behind our drywall but doubt it - this is an older wood framed bungalow. In addition, i dont expect our interior drywall forms a very great air ...

Posted by Simon Levitt Dec. 21, 2020, 2:14 p.m. Wall assemblies - renovation 1 Responses

How do you prevent mold in a finished basement?

...with the same thing - wood framing inside the concrete basement stuffed full of fiberglass insulation, covered with plastic then all covered up with drywall so ...

Posted by Brian Cole Nov. 22, 2019, 10:22 a.m. Basements improvements 1 Responses

What is the best way to do a cottage reno adding an insulation blanket?

...with poly vapour barrier, 2x4" framing with fiberglass. The sheathing was 7/16 asphalt sheathing with an exterior stained plywood on top (with batten strips). ...

Posted by Barton Rowe Feb. 28, 2021, 1:27 p.m. Wall assemblies - renovation 2 Responses