Joists / Discussions

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

...joists if left as is. So that was a good move to put down a poly vapour barrier on the ground, but the rest is a little suspect to me as it is to you. First though I would point you to this page in case you haven’t seen it yet, it discusses the issues with crawl spaces and how they are best insulated and kept dry. Craw...

Posted by Amber Murray Aug. 17, 2020 Crawl spaces 3 responses

Is it ok to add insulation between joists in a crawl space?

...joists?  Over or under pipes?  I want to do this myself, simply, so was looking at something like bubble-roll type of insulation to staple in place.  Thanks!

Posted by Cheryl Bottomley May 11, 2020 Crawl spaces

Can you provide Crawlspace Insulation Design Assistance?

...joists supported by one of the newer breathable foil membrane products stapled to the underside of the joists; I was planning on securing the membrane with firring strips to get a better seal and to prevent the fabric from tearing away from the staples.  I was then planning on the 6 mil poly install on the entire crawl...

Posted by Randy Christensen Dec. 10, 2019 Crawl spaces 1 response