Concrete block / Discussions

Should I put foam boards right against my basement wall or leave an air gap?

...blocks and don't know if this will affect anything.. I found a tiny stream of light coming through only one block and had to seal it. Rain does not get directly...

Posted by Elijah Hargett Jan. 9, 2021, 5:31 p.m. Foundation and basement improvements 4 Responses

Should I insulate my basement ceiling?

...block does get a bit of the white stuff gathering under the paint on the blocks. Thanks in advance If your intention to is just to insulate the ceiling for en...

Posted by Nina Hartt March 21, 2019, 8:23 a.m. Basements improvements 1 Responses

Can you use Foam boards on basement walls to stop condensation?

...concrete temps and prevent inside warmer air from touching the concrete and condensating...but wanted to get opinions prior to spending $300. Thanks The air s...

Posted by Chad Johnson Dec. 21, 2019, 7:59 p.m. Basements improvements 3 Responses

What is the best way to stop thermal bridging between my ICF walls and my footing?

Unisulated footing under ICF walls allows thermal bridging into the concrete core of the wall allowing energy stored in the thermal mass to bleed into the soil...

Posted by Walter van den Broek Sept. 18, 2020, 11:23 a.m. Foundation choices 1 Responses

What are your thoughts on using large flax straw bales (4x4) to build in Saskatchewan?

...concrete. One downside on that front is the bales are 3 times as wide, so you will be using a lot more concrete for the footing than you would with the standard...

Posted by Al Birchard Nov. 11, 2019, 12:56 p.m. Wall assemblies - new construction 3 Responses

Can you create a passive wine cellar by insulating and air sealing a crawl space?

...concrete wall?" I'm not sure what you are referring to. There are no concrete walls; only a concrete floor. Everything is above grade. All of the exterior walls...

Posted by JC Wong April 2, 2021, 6:50 p.m. Crawl spaces 5 Responses

Should I install basement drain tile vents?

...concrete or block foundation etc.. whatever you can tell us. And yes, putting drains through the ground could contribute to higher radon levels, here is our p...

Posted by gary taube Dec. 11, 2019, 10:14 p.m. Foundation and basement improvements 3 Responses

Is a vapor barrier necessary under a concrete slab with foam insulation and if so, where does go?

...Block, which is first of all a much thicker and puncture-resistant membrane, and manufacturers claim it is 100 times less permeable compared to standard poly of...

Posted by Grady 22 Aug. 17, 2019, 12:19 p.m. Air and vapour barriers 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

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

...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 co...

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

What's the best way to seal a crawl space and insulate?

...blocks, that’s not a bad idea but do proceed with a bit of caution, as block walls are not as strong as poured concrete, and you may then be exposing the wall t...

Posted by Steven Johnston Feb. 23, 2021, 12:35 p.m. Crawl spaces 1 Responses