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How much does spray foam insulation cost per square foot?

Spray foam pricing is set per square foot after an on-site assessment. Final cost depends on foam type (open-cell vs. closed-cell), target R-value, thickness, attic or wall access, air sealing needs, and any prep or cleanup. Homes in Dayton and Mason often see attic variables like limited access or existing ductwork that affect price. A technician will confirm scope and provide a written, upfront quote on site.

Quick prep:

  • Note the areas to insulate and square footage.
  • Check access points to attic/crawl.
  • List comfort or moisture issues.

Updated: 2025-12-29


Need help in Mason, OH? Call (326) 356-0025 or book online.

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