Definition
ICF (Insulated Concrete Forms) foundations use foam-core blocks filled with concrete, creating insulated and airtight basement walls. Benefits include superior insulation value (R-20 to R-40), reduced air infiltration, and excellent moisture resistance.
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ICF foundations consist of foam-core forms filled with concrete, creating highly insulated and airtight basement walls. Benefits include superior insulation value (R-20 to R-40), reduced air infiltration, excellent moisture resistance, and improved durability. ICF construction is more expensive initially but provides long-term energy savings. Labor requirements differ from traditional concrete foundations. Fewer builders are experienced with ICF systems.
Pro Tip
ICF foundations cost more upfront but deliver significant energy savings. Calculate payback periods for your climate.
Example
An energy-efficient home uses ICF basement walls providing R-40 insulation value and exceptional moisture control compared to traditional concrete.