Vapour barrier / Discussions

How do you insulated a crawlspace with dirt floor?

...vapour barrier will keep the moisture down. For the addition that is on concrete piers, if that means air (and wildlife) are free to travel underneath it, the...

Posted by sal Bellicoso Oct. 30, 2019, 4:56 p.m. Crawl spaces 1 Responses

Can you Insulate a Cinder block basement foundation with Rockwool?

...vapour barriers are part of code but where cooling loads are also fairly significant. One of the best things about smart membranes is that they 'look' like ty...

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

How do you Insulate a 3 season cottage?

...vapour barrier. This wouldn’t be my recommendation if you were looking for a fully winterized cottage that would act as a full-time home, in that case we would ...

Posted by Terry Skindilias April 23, 2019, 9:27 a.m. Wall assemblies - renovation 3 Responses

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

...barrier and or a vapour barrier. But yes, you could finish it with wood afterwards, and here is a link to a page that may help for choosing a wood type, it is a...

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

Should I install basement drain tile vents?

...barrier), whether it's poured concrete or block foundation etc.. whatever you can tell us. And yes, putting drains through the ground could contribute to high...

Posted by gary taube Dec. 11, 2019, 10:14 p.m. Foundation and basement improvements 3 Responses

How do I waterproof a foundation from the inside?

...vapour barrier, finishing materials, how it is assembled, etc. If your basement currently has no finished flooring, an interior water-proofing solution is much ...

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

How can I solve a moisture problem in attic from 1941 home?

...barrier vs vapor barrier concepts. My house is above a dirt crawl space. And we have a very high water table at 18 inches!!! It is definately a part of my stack...

Posted by Rachel Katz June 8, 2019, 4:06 p.m. Air and vapour barriers 0 Responses

Is EPS or XPS better for use in basement rim joists? Should faced or unfaced foam boards be used?

...vapour barrier. We always choose (and recommend) EPS over XPS due to the fact that XPS has much higher green house gas emissions than EPS . So if you are look...

Posted by Thomas Dispenza Sept. 8, 2019, 12:43 a.m. Basements improvements 6 Responses

What is the right amount of insulation for a house?

...barrier and vapour control layer. If you do go for modelling then that company or person should be well-versed in building science. Here are a few links that ...

Posted by Ryan Gerbrandt Feb. 11, 2019, 9:57 a.m. Passive solar home design 4 Responses

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

...barrier . So the short story is, despite that fact that so many builders keep putting vapour barriers on the interiors of basement walls, it is the worst thin...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 2 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 ...

Posted by Gerald Crozier July 22, 2019, 10:24 p.m. Insulation and soundproofing 1 Responses

How do you best use polyiso insulation in a basement?

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

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

Can you provide Crawlspace Insulation Design Assistance?

...barrier, and enable you to create a crawlspace radon barrier as well. Insulating the joists is a fine idea, but I would be super careful about keeping the moi...

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

How do you prevent mold in a finished basement?

...barrier. The scariest part is that our house was only built in 2007! Now we've managed to strip all this smelly mess out, we tried to get quotes off contracto...

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

How well do Legalett slab on grades work?

We are planning a build for June 2020 in Prince Edward County, Ontario where there is 1 ft of topsoil, 2 ft of clay and then bedrock. Structure planned is a bu...

Posted by Steve Sykes Aug. 18, 2019, 3:21 p.m. Slab on Grade 1 Responses

Should I insulate my basement ceiling?

My bungalow is around Toronto, and is a little over 100 years old with block walls in the basement. we recently learned our basement wasnt insulated properly, ...

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