Recent content by balicobuilder

Thank you for the feedback. It's reassuring!

Without thinking about compression, we laid 1" foam (#15), then poly (sealed well for radon), then 2" foam (#25) (with all the seams overlapped). We, too, have a 4' ICF frost wall, with a interior brick ledge to support a 4" slab (on compacted sand), for a new home. Now I'm concerned about...