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EERE » BTO » Building America » Solution Center Home » Image Gallery » Right - Closed-cell spray foam is installed as a skim coat to provide air tightness to an exterior wall cavity before installing batt or blown cavity insulation.

Right - Closed-cell spray foam is installed as a skim coat to provide air tightness to an exterior wall cavity before installing batt or blown cavity insulation.

Right - Closed-cell spray foam is installed as a skim coat to provide air tightness to an exterior wall cavity before installing batt or blown cavity insulation.