What is the best way to stop thermal bridging between my ICF block construction walls and my footing?
...between the footing and foundation wall (as we all should), the best way to build a basement that we would suggest is to build a fully insulated raft slab first, then build ICF walls on top. See the Geo-Slab frost protected slab on grade by Legalett for more information.
Legalett slab on grade form kits provide a seaml...