CMU / Discussions

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 area and utilites. I found mold behind the wood paneling, sheetrock, 2x4 wood studs, and fiberglass insulation. The old walls were just about touching the block wa...

...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 it is only held together by the mortar between the blocks. So insulating it from the inside means you are changing the thermal conditions is has been accustomed ...

...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. Think about the difference between a conductor and an insulator. Concrete is a conductor, so heat moves very easily through it. Here is a quick read that explains i...

...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 block foundation wall properly  If you don't find all you need in there let me know with a follow up question. And where are you located? The severity of the clim...

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 fill the block with concrete for strength, in addition to repairing the grout.   Thanks in advance  Hi Nina,  That's a structural question that we would be unable ...

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, exposed 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...

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 put R13 fiberglass and sheet rock, then on the outside I tared the out side and filled most  of them with cement a few have insolation very few. Shoud I put styro...

...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 be a lot of different spray foams available some of which mention climate change and environmental concerns - but we're wary of greenwashing, so I would value yo...

...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 blocks that holds them together, so freezing can cause problems. We’ve yet to see one that really knocked it out of the park in terms of durability and moisture ma...