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"CMU"

CMU / Discussions

Why does interior insulation cause a freeze/thaw cycle- cinder block foundation?

...CMUs - concrete masonry units) are more at risk of cracking when insulated on the interior because they no longer have the interior heat to keep them warm. Thin...

Posted by P Mci July 5, 2021 Foundation and basement improvements 1 response

What insulation should I put on basement block walls that is resistant to mold?

...CMU) foundation wall, I would say the first place to go is this discussion here which I think already answers all your questions -   How to insulate a cinder bl...

Posted by Ken Gee July 31, 2019 Basements improvements 4 responses

What is your opinion on filling block foundations with concrete?

Our house is a little over 100 years old, with a cinderblock foundation walls in the basement.  We’ve got a minor crack in the grout, and we were advised to fil...

Posted by Nina Hartt March 21, 2019 Foundation and basement improvements 1 response

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

Rear porch was was enclosed. Framed walls, insulated and drywalled Crawl space has dirt floor, 3 cement block walls, open lattice wall to access crawl space, ex...

Posted by austin Fanning March 16, 2020 Crawl spaces 4 responses

Should you put insulation on the outside of a cinder block wall in a desert?

I have a home about 3000 sq.  the top is about 1700 and the rest in the basement, being a cinderblock home with a 2 foot over hang. I studed my inner wall, I pu...

Posted by Michael Apodaca March 9, 2020 Wall assemblies - renovation 1 response

Spray Foam for basements, which of the different types are best environmentally?

...CMU basement walls and floor in northern California. We want to do this basement conversion as sustainably as possible with good air quality and there seem to b...

Posted by Amélie Pearson Jan. 9, 2020 Insulation and soundproofing 1 response

How do you apply vapor barrier and insulation to a CMU house?

...CMUs (aka Cinder block foundations), are trickier to fix than poured concrete foundations. They are not nearly as strong since it is only the mortar between blo...

Posted by Scott Brekke Nov. 22, 2019 Basements improvements 2 responses

How do you fix moisture problems in basement?

I am redoing a basement wall that has a lot of moisture and has rotted the studs I see you mentioned to do drywall, studs with mineral wood then 2" of rigid ins...

Posted by John rodrigues Nov. 27, 2020 Basements improvements 3 responses

Should I vent the space between a block wall and vapor barrier?

I bought my house about a year ago and I recently took out 4 of the exisiting basement walls. 3 of which where exterior and 1 was just dividing the finished are...

Posted by Nick Santore Oct. 10, 2020 Basements improvements 1 response

How would I rectifiy problem of foundation wall cracks with finished basement?

...CMU) foundation wall from the inside in cold climates is risky as it can cause cracking. A cinder block foundation wall is not as strong as poured concrete as i...

Posted by Terry P July 22, 2020 Basements improvements 3 responses

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