Concrete Forms, or ICFs as they are more commonly known, are lightweight foam forms that do double duty. When a concrete wall is first poured, the forms are used to provide the support necessary for proper concrete curing. Once the curing process is complete, the forms are allowed to remain in place in order to provide thermal insulation. The ultimate result is a truly extraordinary concrete wall that is superior in many ways to other, more common wall types.
ICFs are generally made using one of two types of foam: expanded polystyrene (EPS) or extruded polystyrene (XPS). EPS is re
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