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EERE » BTO » Building America » Solution Center Home » Image Gallery » Closed-cell spray foam covers the heat recovery ventilator ducts and also seals all top plates and seams in the ceiling drywall of the vented attic.

Closed-cell spray foam covers the heat recovery ventilator ducts and also seals all top plates and seams in the ceiling drywall of the vented attic.

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Closed-cell spray foam covers the heat recovery ventilator ducts and also seals all top plates and seams in the ceiling drywall of the vented attic.

Courtesy Of

Kalamazoo Valley Habitat for Humanity

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