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Is a vapor barrier still required for above-grade ICF walls?

April 26, 2017above-grade barrier ICF vapor walls

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Is a vapor barrier still required for above-grade ICF walls?

1 Answer

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10 Posted

No. The low permeability of the foam and concrete provide a natural barrier against air-borne moisture and air infiltration. This also means that air-borne pollutants, dust, and pollen are also kept out of the building.