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moisture

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Illustration of an attic cross-section with a sprayed foam layer and a small decision table icon, in a clean teal and orange style with no text.

Spray Foam Insulation Cost per Sq Ft: Open vs Closed Cell + Realistic Budget Ranges

Spray foam insulation costs depend on strategy, not hype. Learn open vs closed cell tradeoffs, roofline vs attic floor choices, and how to compare quotes.

Erin KesslerMar 19, 20266 min read