Vapor barrier below slab / Discussions

What is the best way to insulate rim joists with EPS and batts?

...below it. If you install several layers of EPS it will function just like a SIP wall, the foam boards will act as a vapor barrier and the thermal barrier. For a...

Posted by Steve J July 18, 2019, 3:53 p.m. Basements improvements 1 Responses

What is the best way to Insulate the crawl space of an old home?

...barrier, it is best to keep the humidity to below 50% RH. Let us know what else you have down there, because if you insulate between the joists then it's likely...

Posted by Aj Jan. 21, 2020, 8:13 a.m. Crawl spaces 1 Responses

Can you use spray foam Insulation under a slab?

...vapor barrier, air barrier, or to insulate difficult areas like basement rim joists or to create a radon barrier in a crawl space it’s a great choice, but in mo...

Posted by Linda Martin April 6, 2020, 11:54 a.m. Slab on Grade 1 Responses

How well do Legalett slab on grades work?

...slab using Legalett ICF slab forms. 2) How are those issues usually addressed? What issues?! :) 3) What is the long term track record of Legalett slabs? ...

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