Renovations for concrete can cost what feels like a mini fortune. But this foam material can fix those concrete problems at a fraction of the price! The post This Spray Foam Will Fix Any of Your ...

The 2-by-4-foot blocks that Mundelein uses are reinforced with steel to hold the concrete and allow for expansion. Mundelein estimates that at $30 a block, the house has about $47,000 worth of block.

You mentioned "concrete/foam block" houses, but that is just one subset of a construction method called stay-in-place-forms. Another term for this construction method is insulated concrete forms.

Glue the foam cubes together to create a 1m x 1m x 4m block. Once the glue has set, use the knife to carve the block into the shape of an upside-down canoe. Then sand it smooth.

So, if you need to tame out-of-control concrete, polyurethane foam is the environmentally safe, affordable, waterproof and, perhaps most importantly, permanent solution you’re looking for.