Rim joists / Discussions

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

...rim joists/cripple wall cavities and build it out to EPS mounted against foundation wall. 2) Single EPS pieces flush against rim joist, horizontal along wood ...

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

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

...rim joists? Therefore, by extension, shouldn't one prefer to use XPS--for its lower permeability--versus EPS when insulating rim joists? Wouldn't that logic als...

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

What is the best way to insulate embedded joists in a basement Montreal Home?

...rim joist". Some say it will rot if insulated. And if insulating the rim joist use only 1inch max. - Link Section 6.2.6 "https://www.nrcan.gc.ca/energy-efficien...

Posted by Emil Idf Jan. 7, 2020, 8:34 p.m. Foundation and basement improvements 1 Responses

Which exterior insulation is best to create at thermal break in an bungalow in Alberta?

...rim joists. This space is now wonderful to live in. However, at -40, we experience frost and freezing temperatures on the main floor in the corners of the hou...

Posted by Rebekah Barnes Jan. 17, 2020, 10:07 p.m. Wall assemblies - renovation 0 Responses

Basement reno - How do I effectively insulate my basement?

...rim joists? Details: 2-story house built 1983, located in southern Ontario (GTA). Poured concrete foundation. Floor joists sit atop the foundation wall on a r...

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

Should I insulate my basement ceiling?

...rim joists and that seems to be a good idea that won’t contribute to moisture problems. It’s not a wet basement, but the block does get a bit of the white stuff...

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

Can you Insulate a Cinder block basement foundation with Rockwool?

...rim joist between joists with Rockwool to avoid moist warm interior air condense on the rim joist behind Rockwool (between rim joist and Rockwool ) . I am plani...

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

What do I in my basement where new insulation meets old?

...rim joists? That is a common place for air leakage and thermal bridging, so if you can at least insulate there then you would be ahead of the game. That can be ...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

What is the best way to insulate the basement of an old house?

...rim joists? Spray foam is an option for there (it’s not necessarily the cheapest option but it works well) and it would allow you to create a continuous barrier...

Posted by Bryan Squirrell Jan. 14, 2020, 7:59 p.m. Basements improvements 1 Responses