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

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

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

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

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

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 is the best way to insulate a crawlspace to keep humidity down and stop odors?

...joists and has 3 - vents to the outside. I am thinking of 1" foam boards on the walls, sealing the floor. There is no moisture only when I put a piece of plasti...

Posted by Dave Bell Oct. 24, 2019, 3:57 p.m. Crawl spaces 3 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

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

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

...joists were replaced due to rot, concrete footings poured and the floor of the crawl space covered in crushed stone. I have high humidity in the house and crawl...

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

What type of framing is best to reduce CO2 emissions in a single family home?

...joists (LVL or LSL)? Assuming the engineered lumber has greater strength and depth spans, does this offset the higher embodied energy to produce the engineering...

Posted by Rachel Rodd Sept. 28, 2020, 3:04 p.m. Wood and organic materials 1 Responses

How do you fix radon and water infiltration in a dry stone foundation?

...joists and filling w rock insulation btwn. Heard they hate that stuff. Many thanks in advance for any advice and/or validation. Any foundation built at the bott...

Posted by john flannery July 14, 2020, 4:24 p.m. Foundation and basement improvements 5 Responses

Can I put a breathable peel and stick weather (air) barrier on the inside walls and ceiling?

...joists with caulk or sealant because where the SPF meets the joints, the seam is thin and air goes right though the SPF and enters the joints. I'm considering...

Posted by Anomika Singhn Oct. 1, 2018, 9:56 p.m. Air and vapour barriers 1 Responses

What is the best way to insulate the ceiling of my crawl space?

...joists above the foundation have spray-foam insulation. Since we moved in, I know that the addition's floor is very cold in the winter and in the summer we don'...

Posted by Judy Mendel Feb. 17, 2020, 11:10 p.m. Crawl spaces 4 Responses