Basement vapour barrier / Discussions

What is the best way to Insulate a basement and floor joists that are embedded into the concrete?

...vapour barrier afterwards/ that would actually be a bit better. There was usually a poly vapour barrier installed after the insulation and stud wall seemingly t...

Posted by David Pereira April 28, 2020, 10:34 p.m. Foundation and basement improvements 2 Responses

How would I rectifiy problem of foundation wall cracks with finished basement?

...vapour barrier on the inside basement walls. If the walls were removed (including tar paper, insulation, vapour barrier and drywall) would this be the best solu...

Posted by Terry P July 22, 2020, 7:07 p.m. Basements improvements 3 Responses

What is the best way to do a basement renovation?

...basement renovations? Why are Basements Moldy? How to Fix & Prevent Mold in Homes As for vapor barriers on basement walls, as you would read in the page abo...

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

How do you fix a moisture problem in a finished basement?

...basement walls is not a bad one. However, spray foam itself is a vapour barrier, so you wouldn’t need to apply a typical 6 mil polyethylene vapour barrier on th...

Posted by Margo MACFARLANE Oct. 28, 2019, 10:24 a.m. Foundation and basement improvements 1 Responses

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...vapour barrier and fiberglass insulation from the basement of our home built in 1960 in Ontario in climate zone 5. Outside the home I have jack-hammered and rem...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 2 Responses

How do I insulate my half below grade basement?

...basement is half above grade. I have seen in the CMHC book a scenario where a vapour barrier starts on the concrete, just above grade height, goes down the co...

Posted by tom mckeand Oct. 14, 2019, 11:01 p.m. Basements improvements 1 Responses

Do you have recommendations for radon sealing basement concrete & installing new flooring?

...barriers for below slab floors How much insulation does a basement floor need? Basement renovations: How to prevent mold when finishing basements

Posted by M N Sept. 1, 2020, 2:20 p.m. Basements improvements 1 Responses

How do insulate a basement slab that is sloped ?

...vapour barrier, add 2" xps and then subfloor. Is there a better way to do this ? Thanks for your help ! The best way to insulate a basement floor that is no...

Posted by Louis-François Lapointe Nov. 11, 2020, 10:34 a.m. Basements improvements 1 Responses

Basement reno - How do I effectively insulate my basement?

...vapour barrier laytex paint. Which EPS thickness should I go with? Concrete Slab: DMX aiflow dimple mats +(3/4" EPS, needed? ) +OSB +flooring of choice Head...

Posted by Steve J Feb. 13, 2019, 10:25 p.m. Foundation and basement improvements 2 Responses

How should I insulate basement Walls in climate zone 5?

...basement walls roughly 3” away from concrete and then place mineral wool between the studs. I do not plan to apply any vapor barrier to the concrete or between ...

Posted by Chad Johnson March 25, 2019, 8:33 p.m. Basements improvements 1 Responses

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

...barriers as a radon barrier, which is better than nothing, but I’d want a thicker one for my home. There is a barrier called Radon Block, which is first of al...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 3 Responses

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

...vapour barriers in a wall system, particularly a basement. Standard basement construction is usually done all wrong, with the vapour barrier sandwiching wood an...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 17 Responses

How do you prevent mold in a finished basement?

...basement earlier this year and when the contractors started pulling off damaged drywall we were disgusted to find that our basement wall framing was rotten in m...

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

Can you Insulate a cinder block basement foundation with Rockwool?

...basements. Basements and basement walls work differently in summer and winter than walls exposed to air . Basement walls are always cold but touching earth ...

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

How do I waterproof a foundation from the inside?

...basement walls and floors – insulation, vapour barrier, finishing materials, how it is assembled, etc. If your basement currently has no finished flooring, an i...

Posted by Kurt Brenner Nov. 14, 2017, 9:47 a.m. Foundations and Basements 1 Responses

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

...basement and concrete block foundation addition. The basement is not insulated, the roof has very little insulation with vermiculite ( been tested ok) in the at...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

Should I insulate my basement ceiling?

...basement. we recently learned our basement wasnt insulated properly, and probably done to hide some flaws. In response we’ve decided to rip it all out and do an...

Posted by Nina Hartt March 21, 2019, 8:23 a.m. Basements improvements 1 Responses

Should I remove the plastic sheet in my cellar?

...basements are moldy and how to prevent mold during basement renovations If you have cut open the poly vapor barrier on the basement walls then that is letting...

Posted by Justin D'Arcy Dec. 4, 2020, 12:13 p.m. Basements improvements 2 Responses