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How Much Does Spray Foam Insulation Cost?
Mar 5, 2025
Spray foam insulation runs $1,454 to $4,336 for most homes, averaging $2,886 for a standard project. Your final bill depends on your choice between open-cell or closed-cell foam and the size and layout of your home.
Why do homeowners pick spray foam? It seals your house completely against drafts. This snug barrier keeps temperatures steady inside and often slashes heating and cooling bills by 15–30%. It costs more upfront than fiberglass or cellulose, but lower energy bills often make up the difference within a few years.
This guide covers everything you should know about spray foam before deciding. We break down the real costs, explain the different types, and help you figure out if it’s worth the money for your situation.
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