Concrete & Bricks
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These foundation walls are constructed with ICFs (Insulated Concrete Forms). They are the sensible, cost-effective alternative to standard walls of wood frame and cinder block. These forms pop out of the box as you see them here; you only have to fasten each section together in the configuration indicated by the blueprint, insert rebar, and fill the forms with concrete. The obvious advantage is that an ICF foundation can be built in a quarter of the time it takes to build a traditional wood ...