A building can lose a great deal of its cost efficiency through air leakage. Spray Foam Insulations high thermal resistance or R-Value per inch provides outstanding thermal performance, so it minimizes hot and cold spots that can affect the efficiency and comfort of a building. Spray Foam Insulation acts as a secondary moisture vapor barrier to help reduce the risk of moisture intrusion in the wall cavity.
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Spray Polyurethane Foam Insulation can be used in two common ways to insulate your attic space and protect your home from other weather and moisture related damages. The method of use for spray foam in the attic is often dictated by the building science and design principles your architect and/or builder subscribes to.
How many times have you seen round/oval vents penetrating from the crawl space into the house through rectangular holes? This situation is cause for great concern. We already know that fiberglass batts cannot control or prevent air/moisture movement and infiltration. That being the case, even if your crawl space is "properly" insulated with batts, they will not prevent cold air, warm air, contaminated from entering the living space of your home.
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