Basement insulation / Discussions

Which is the best basement insulation?

...Basement will have 9' ceilings, 5 ' concrete wall and 4' knee wall built with 2x6 and batt insulation r22. Should I run rigid insulation inside the foundation w...

Posted by Alex Kesheshian April 23, 2020, 12:29 a.m. Basements 1 Responses

Which is the best basement ceiling insulation?

...basement). I want to had additional insulation, especially over the unheated garage. Is wool insulation over the existing fiberglass recommended, or should I si...

Posted by David Boone Jan. 9, 2021, 4:38 p.m. Basements improvements 0 Responses

How should I install XPS insulation in a basement?

...basement is unfinished and any moisture could easily dry to the inside. Now I’m looking to finish a portion of the basement and I don’t want to cause any proble...

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

How thick should EPS foam insulation on basement walls be?

...insulation to use when finishing my basement. I was on a website of an eps insulation manufacturer and under their technical/spec section for this particular ri...

Posted by Derrick R March 17, 2021, 9:13 p.m. Insulation and soundproofing 3 Responses

How much insulation do you need for a Basement floor in an ICF home?

...basement and the main floor as well. Do I need to do any extra insulation in the basement on the concrete floor? You will for sure need insulation below your ba...

Posted by Gary Abbott Nov. 23, 2020, 1:36 p.m. Basements 1 Responses

What is the best way to install basement insulation with existing framing?

...basements are moldy and how to prevent mold when finishing basements. To go that route, you might want to consider using mineral wool insulation rather than f...

Posted by Nick Trotta Sept. 20, 2021, 8:29 p.m. Foundation and basement improvements 7 Responses

How much insulation should I install underneath my concrete slab in my basement?

...basement is below the frost line, I’m not sure if insulation is necessary, but want to know what the experts think. If insulation is required, how much and what...

Posted by Scott Antonation Sept. 27, 2019, 1:06 a.m. Slab on Grade 3 Responses

What is the best way to finish a basement with exposed pink fiberglass insulation?

...insulation is not healthy. It covers the full expanse of our basement, the full footprint of a modular home built in 2003, about 26’x44’. I would like to cover ...

Posted by Claudia Fieo Oct. 6, 2020, 10:48 a.m. Basements improvements 0 Responses

How can I get rid of moisture between the vapor barrier and the insulation in a basement?

...basement windows before he installed the insulation in the basement. Subsequently it probably rained and moisture got in through the unsealed basement windows. ...

Posted by David Mitchell Aug. 14, 2018, 6:32 p.m. Basements improvements 45 Responses

Which is the best foam board insulation to put against poured concrete basement walls?

...insulation aspect of finishing our basement correct, but I'm still not sure. The two different kinds of foam boards I've been looking at are, Kingspan Insulatio...

Posted by Patricia Roberts Dec. 28, 2021, 6:18 p.m. Insulation and soundproofing 3 Responses

Why are half of my basement walls are not insulated and should I add insulation?

...insulation covered with clear plastic and a black plastic border nailed into the concrete but the bottom half of the walls are left uninsulated. I have a wood f...

Posted by Jake Morel Dec. 28, 2020, 8:58 p.m. Basements improvements 0 Responses

Why is there condensation in between 1.5" polyiso board and roxul insulation?

...basement. I used one and a half inch polyiso board insulation glued to the wall with adhesive and I left a half inch Gap all around the board to spray foam. In ...

Posted by Tyler Norrie Feb. 9, 2021, 2:32 p.m. Basements improvements 0 Responses

What do I in my basement where new insulation meets old?

...insulation types? (Old Poly vapour sheet and fibreglass insulation vs new Rockwool and EPS) How do address the areas where the EPS is adjacent to the old insu...

Posted by Steve J July 20, 2019, 10:01 p.m. Basements improvements 2 Responses

What is the best insulation for concrete block foundation wall and basement stud wall system?

...basement walls. She wants to spray foam the rin joists and apply 2" of foam on the walls with the stud wall being installed 1" from the block wall. However I am...

Posted by Don Fraser Dec. 8, 2021, 10:54 a.m. Foundation and basement improvements 2 Responses

Can basement walls to dry to the inside with foam board?

...basement foundation walls. From all of my reading it says that your basement foundation walls can only dry to the inside. If I put foamboard on the concrete and...

Posted by Tim Hanrahan Aug. 20, 2020, 12:34 a.m. Basements improvements 6 Responses

How do you best use polyiso insulation in a basement?

...insulation panels here – Rigid insulation panels: which ones are best for different applications EPS or Rockwool are typically our preferred products for ba...

Posted by Iain Matheson Jan. 24, 2020, 7:45 p.m. Basements improvements 1 Responses

Fill gap between wood stud wall and closed cell foam or fill the stud bays?

...insulation job. My concern with leaving a large, contiguous air gap is that mold has potential to grow between the stud walls with the rockwool insulation and...

Posted by B Mac Dec. 13, 2021, 6:31 a.m. Wall assemblies - renovation 3 Responses

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

...basement and my basement exterior walls are fully framed about 2” away from the concrete. They have mineral wool in between the stud bays but not all dry walled...

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