Is it a Good Idea to Use Foam Insulation in the Ceiling?

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    Cost of Foam

    • Foam insulation products for the ceiling in your house are generally more expensive than other types of insulating materials such as fiberglass and cellulose.

    Common Uses

    • Foam insulation products are commonly used in the ceilings of buildings where higher R-values are desired and where there are space limitations.

    R-Values

    • The resistance to heat flow measurements, or R-values, of foam insulation for ceilings range from R-4 to R-8 per inch of thickness, which is two to three times greater than for most other types of insulation of comparable thickness.

    Air Infiltration

    • Carefully installed foam insulation controls air infiltration from the attic space above the ceiling of your house more effectively than other types of insulation.

    What It's Made of

    • Foam insulation is usually made of polystyrene, polyurethane or polyisocyanurate.

    How It's Installed

    • Foam insulation is installed in the attic area directly above the ceiling as either a liquid or as a factory-made rigid foam board.

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