Calculating FPSF Insulation Requirements
There are two good sources for designing frost-protected shallow foundations (FPSFs).
Q&A: Retrofitting a Walk-Out Basement
How do you protect the footing and foundation from frost in a very cold climate...
Insulating Outside the Foundation
Best practices for insulating a foundation.
Frost-Protected Shallow Garage Slab
Instead of excavating to below the frostline, insulate below the edge of the slab...
Insulating Basement Walls
Q. I'm doing a basement remodel and am thinking of finishing the block foundation walls by painting the masonry with Drylok, then adhering 4-mil poly over that. Next, I plan to fur the walls with Z-studs, put 2 inches of foil-faced polyiso board between t