Cinder block / Discussions

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

...cinder block foundation wall from the inside in cold climates is risky as it can cause cracking. This is due to the introduction of the freeze/thaw cycle. I c...

Posted by P Mci July 5, 2021, 11:17 p.m. Foundation and basement improvements 1 Responses

Can you Insulate a cinder block basement foundation with Rockwool?

...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 ...

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

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

...block basement wall. Moisture issue in spring ( and I suspect fall). We get a lot of people asking about the best way to insulate a cinder block (CMU) foundatio...

Posted by Ken Gee July 31, 2019, 3:25 p.m. Basements improvements 4 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

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

...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 sid...

Posted by Scott Brekke Nov. 22, 2019, 9:37 a.m. Basements improvements 2 Responses

What is your opinion on filling block foundations with concrete?

...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 additio...

Posted by Nina Hartt March 21, 2019, 8:06 a.m. Foundation and basement improvements 1 Responses

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

...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 po...

Posted by Terry P July 22, 2020, 7:07 p.m. Basements improvements 3 Responses

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

...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 ...

Posted by Michael Apodaca March 9, 2020, 3:10 p.m. Wall assemblies - renovation 1 Responses

What is the best way to insulate exterior walls of a mid-70's Pioneer Log home?

...cinder block and the 2nd floor is the log portion. It has the smaller milled logs and is a bit drafty in the winter. It also has the original windows that need ...

Posted by Keith McDevitt Nov. 15, 2020, 12:01 p.m. Wall assemblies - renovation 0 Responses

My window drips when I run my air conditioning. What is the fix?

...cinder block on that wall. I have been told that the exterior bricks along the top of the window should be taken out so that the window can be reflashed with a ...

Posted by Sean Sullivan Aug. 27, 2020, 10:36 a.m. Heat pumps, geothermal and AC 5 Responses

How should I install XPS insulation in a basement?

...cinder block” basement wall that transitions to a course of narrower blocks above grade. An uninsulated rim joist sits on top of the sill plate on the narrower ...

Posted by Ken Hunold Dec. 27, 2020, 7:22 p.m. Basements improvements 0 Responses

How do you improve an old block foundation with no insulation or exterior moisture barrier?

...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 parg...

Posted by Wilhelmina Lange March 11, 2021, 4:19 p.m. Foundation and basement improvements 2 Responses

What is the best way to insulate a concrete block house?

...block foundation or wall, at least in a cold climate. Without insulation, the blocks have been warm all this time, so suddenly being exposed to the freeze / tha...

Posted by kent wardecke Oct. 17, 2020, 11 a.m. Foundation and basement improvements 2 Responses

With a raised house how should I insulate underneath?

...cinder block supports. Air flow is unrestricted as these slats are about and inch and a half spacing between each. Apologies. I was looking at Rockwool for insu...

Posted by Kevin Marmillion Feb. 1, 2021, 11:43 a.m. Basements improvements 3 Responses

Can you install foam boards directly against basement walls?

...block masonry house I want to put 2-inch foam on the inside for now does the block need to be painted before I put the foam against the block are waterproof and...

Posted by Ted Gorab Oct. 3, 2019, 6:09 p.m. Basements improvements 15 Responses

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

...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 siding ...

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

Should I install a poly moisture barrier before the rigid foam board against a basement wall?

...blocks, left on the cold side of the wall after insulating on the inside? I am a little concerned by the experience of the person posting "Why is my cinder bloc...

Posted by DONandCATHY Crenna Dec. 14, 2020, 2:21 p.m. Basements improvements 3 Responses