How to insulate a crawlspace / Discussions

Can my shallow crawl space be converted to a slab foundation?

...at option, as well as how to mitigate radon gas – How to insulate crawl spaces properly How to remove radon gas from basements and crawl spaces

Posted by Sian O'Keefe Aug. 15, 2020, 12:52 p.m. Slab on Grade 1 Responses

Can you replace an old slab foundation with an air heated slab?

...ause I’d love to hear a solution to this, but I’m going to give you a ‘hard no’. There is really no feasible way to raise up a slab on grade house and pour a ne...

Posted by Mike Molloy Nov. 7, 2019, 8:44 p.m. Slab on Grade 1 Responses

Should you allow air flow through a crawl space with a dirt floor?

...ay foam underneath it as you suggest, ( see here to find spray foam companies with the most eco-friendly blowing agents ) as that will insulate it, act a a vapo...

Posted by Amber Murray Aug. 17, 2020, 10 p.m. Crawl spaces 3 Responses

Can you Insulate a cinder block basement foundation with Rockwool?

...ate a drainage route for any water that may accumulate on the foundation wall and drain to the floor. This would also have the advantage of creating a radon gas...

Posted by Victor B June 19, 2019, 11:41 p.m. Basements improvements 6 Responses

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

...ay less concerned about R-values or project cost than I am about moisture (and bugs, to be embarassingly candid about the matter). I gather that I can always sa...

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

Should I bother testing for radon in a gutted and uninsulated house?

...ave a vapor barrier, so just doing a vapor barrier itself puts you halfway to a passive radon stack, in that 6 mil poly vapor barriers are standard fare for rad...

Posted by Luba Sharapan March 27, 2021, 12:04 p.m. Radon in Homes - Mitigation 3 Responses