attic insulation

Heat barrier above

Attic insulation is material installed in the space beneath a roof to reduce heat transfer between a house and the outside.

Common types include fiberglass batts, blown-in cellulose, and spray foam.

Proper attic insulation keeps homes warmer in winter and cooler in summer, reducing energy costs: The inspector said we need more attic insulation.

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Known to kids · Used worldwide · Timeless · Concrete · Everyday, not technical · Rated G