Basement floor insulation / Discussions

What is the best way to insulate a basement concrete floor?

...insulation. Also unknown if insulation under the slab floor but built in 2008 so I assume some insulation under slab. Two issues: the level of the garage floor is same as the attached room so some concern about exhaust fumes entering the room. Also the attached room is cold (however two radiant panels have helped great...

Posted by dean c May 1, 2026 Basements improvements 1 response

What type of insulation should I use of a concrete garage floor?

...floor to stop moisture seeping up from the concrete floor and to insulate to stop cold ingress. The product I have recommended so far is XPS panels cheers Craig R.

Posted by Craig Rippon July 9, 2025 Insulation and soundproofing

How do you insulate a basement slab to keep the benefits of thermal mass in a passive solar home?

...insulation. Laying a footing and stem wall to get below the frost line is a building technique that dates back to a time before the advent of insulation, where dirt was the insulator. Now insulation can be the insulator.

Posted by Trudy Lynn Oct. 25, 2024 Passive solar home design 1 response

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 basement floor. The minimal levels of insulation required to meet building code amount to significant energy loss and needlessly consume homeowners money as well....

Posted by Gary Abbott Nov. 23, 2020 Basements 1 response