Cinder block / Discussions

...Block foundations in general are best insulated from the exterior to keep them warm, but it doesn’t sound like that is your plan. You need to be careful when insulating the interior of a block foundation or wall, at least in a cold climate. Without insulation, the blocks have been warm all this time, so suddenly being ...

...block walls and had no barrior between them. I now am going to put 4 new walls up (same as before 3 exterior, 1 dividing). I use Drylok so far on all the exterior walls follwoing the instructions. Now I plan on installing a vapor barrier using 6 Mil plastic and hold the new walls a few inches off of the block. I am wor...

...cinder block (or 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...

...block wall would also be heating the ground. Being uninsulated doesn’t mean it won’t freeze at all as it probably feels frozen to the touch, but without interior insulation the majority of the block would not be frozen, it would only be the very exterior, if that, that would be below zero degrees. So for a block wall t...

...cinder block foundation which is 42" to 48" below grade; walls 30-32" above grade which slopes down and away from foundation/wall intersect.  Basement walls parged and painted with mold resistant paint; floor painted. Auto dehumidifier always on 24/7 year after year; fan oscillating at rear of basement; try to keep hum...

...cinder blocks) Rockwool comfortboard 80 1.25” to remove few studs and slide behind the framing and fix to CMU wall with concrete nails.  Comfortbat in studs tight against comforboard  Airgap of 0.25”- 1.25 due to stud location Drywall  Membrain or Intello smart vapor retarder  Latex paint  In my climate zone I can get...

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...

...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 styrofoam board then tar board chicken wire then stuco then paint with elastromeric/ sand mix, ...

We are looking to finish our basement next spring and one builder suggested using spray foam insulation as he says it's a good choice for insulating and sealing 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 ...

...block for seismic resistance and attach the studs to the block.  The block walls will basically become a veneer. Can I apply a paint vapor barrier, and which side of the block should I apply it to?   Foundation made of CMUs (aka Cinder block foundations), are trickier to fix than poured concrete foundations. They are n...