CMU / Discussions

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 b...

Posted by Scott Brekke Nov. 22, 2019, 9:37 a.m. Basements improvements 1 Responses

Can you Insulate a Cinder block basement foundation with Rockwool?

...CMU wall. I was planing on the following assembly : CMU Wall (cinder blocks) Rockwool comfortboard 80 1.25” to remove few studs and slide behind the fra...

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

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 Rose Adams Jan. 9, 2020, 9:33 a.m. Insulation and soundproofing 1 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, 3:10 p.m. Wall assemblies - renovation 1 Responses

What is the best way to insulate a 1780 brick federal with stone foundation in New York?

...CMU or cinderblock foundation, they are not as strong as a poured concrete foundation and they rely only on the mortar between blocks and stones to hold them to...

Posted by carole roseman Jan. 5, 2020, 2:39 p.m. Foundation and basement improvements 1 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, 8:06 a.m. Foundation and basement improvements 1 Responses

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,...

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

I have many issues with my house where should I start?

...CMU cinder block foundation The best way to insulate a basement to avoid mold How to insulate an attic and avoid ice daming How to install sid...

Posted by Bryan Squirrell Sept. 29, 2019, 3:08 p.m. Wall assemblies - renovation 1 Responses

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

Concrete block basement wall. Moisture issue in spring ( and I suspect fall). Before we can really answer we’d have a couple of questions first - what climate ...

Posted by Ken Gee July 31, 2019, 3:25 p.m. Basements improvements 3 Responses