Joists / Discussions

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, 3:17 p.m. Crawl spaces 0 Responses

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

I'm trying to insulate Rim joists /cripple walls in basements have read about three methods using EPS & batt with slightly different orders. Plan to insulate c...

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

Why insulate the walls rather than the floor joists in a crawlspace?

...joists on one 1/2 of the cottage has R12 between the Joists, the other 1/2 looks like it has ceiling tiles between the joists for a bit of insulation, question ...

Posted by Ron Monk June 2, 2021, 9:31 p.m. Crawl spaces 3 Responses

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

...joists are fully embedded inside the concrete slab. Hence, the floor above close to the baseboard is very cold. My plan is to fully demo the basement walls an...

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

What kind of foam board should I use to insulate rim joists in Wisconsin?

...joists. I've started to remove it because its become a home to mice in some places, and just plain not working in others. But what to replace it with? I'm lea...

Posted by Matt Kime Sept. 12, 2021, 10:31 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?

...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 also tr...

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

What is the best way to Insulate a basement and floor joists that are embedded into the concrete?

...joists are embeded into the wall. How would I properly insulate my basement wall and the embeded floor joists? Right now the home has roxul insulation in the ce...

Posted by David Pereira April 28, 2020, 10:34 p.m. Foundation and basement improvements 2 Responses

What is the best practice to insulate a crawl space floor?

...joists 24'' o.c., height from ground to bottom of joists is 36" If you have a three-sided foundation wall with lattice work on one side and a dirt floor, the ...

Posted by austin Fanning March 16, 2020, 8:55 a.m. Crawl spaces 4 Responses

What's the best way to seal a crawl space and insulate?

...joists isn’t really necessary, but you don’t really need to remove the insulation in the joists as long as it isn’t moldy. Left in place is actually even better...

Posted by Steven Johnston Feb. 23, 2021, 12:35 p.m. Crawl spaces 1 Responses

How do you insulate a crawlspace?

...joists at about 24" on center. I put 6 mm polythene on the ground and put fiberglass insulation between the joists. Since then I have noticed a lot of condensat...

Posted by Drew Weistend Nov. 14, 2017, 9:22 a.m. Crawl spaces 1 Responses

What is the best exterior rigid foam insulation for under a deck?

...joists were poorly insulated and we're damp. I insulated the rim joists with R10 rigid board with spray filling the gaps and then R12 batt insulation. I then no...

Posted by Andrew Cherubini March 21, 2021, 9:02 p.m. Insulation and soundproofing 3 Responses

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 firr...

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

How do I get rid of moisture with cement floor crawl space that has a vapour barrier?

I recently replaced the vapour barrier because of dry rot. Luckily no cracks in the foundation and floor joists are fine but I noticed that barrier is extremel...

Posted by Cindy Chatham 04 chatham Aug. 25, 2020, 4:47 p.m. Crawl spaces 1 Responses

With a raised house how should I insulate underneath?

...joists are 2x10. Is it ok to leave a space between in the cavity if i am using batt designed for 2x6 install? Additionally being that far off the ground is it s...

Posted by Kevin Marmillion Feb. 1, 2021, 11:43 a.m. Basements improvements 3 Responses

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

...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 house. ...

Posted by Rebekah Barnes Jan. 17, 2020, 10:07 p.m. Wall assemblies - renovation 1 Responses

What can I do to prevent mold and musty smells from a crawlspace with a dirt floor?

I bought a home that has a dirt floor crawl space with about 24 inches from dirt to underside of floor and it gets wet which causes the floor joists and under ...

Posted by bonna gordy May 15, 2020, 8:16 p.m. Crawl spaces 1 Responses

What is the best way to finish a basement with exposed pink fiberglass insulation?

...joists. Could pine boards be fitted between the joists up against the insulation or is it possible to use metal sheeting of some sort? Or would you recommend th...

Posted by Claudia Fieo Oct. 6, 2020, 10:48 a.m. Basements improvements 0 Responses

How do I condition my crawl space with a dirt floor?

...joists. the crawl is vented with 2 vents. i live on the east coast of Vancouver Island BC. I am have trouble deciding on sparying open cell in the joists and le...

Posted by Ryan Reichelt Nov. 27, 2020, 12:25 a.m. Crawl spaces 0 Responses