Block foundation wall / Discussions

Does 2" EPS foam board on basement walls cause concrete freezing issues?

...walls and drywall are not sitting on concrete but they are raised up on small EPS blocks.  Since you have no sump pump, any flooding will saturate your framing. However, if the walls and drywall raised up on foam blocks it gives you a little wiggle room if for any reason there is ever an inch of so of water in the base...

Posted by Gar Wia June 16, 2025 Basements improvements 1 response

How do you properly insulate a cinder block foundation walk out?

...block instead of 2x6. I am framed out about two inches from the foundation and I am in Zone 4. Should I apply a foam board to the interior cinder block walk out area or can I use Faced r-13 throughout the basement walls ? A cinderblock / CMU / concrete block foundation is not as strong as poured concrete, and insulatin...

Posted by John Smith Nov. 17, 2022 Basements improvements 1 response