How much does spray foam insulation cost per square foot?
There isn’t a flat per–square–foot price we can quote without an on‑site assessment. Cost varies by foam type (open‑cell or closed‑cell), target thickness/R‑value, access (attic, walls, crawl), surface prep and air sealing, and any moisture or duct issues. In Phoenix‑area homes, we often evaluate duct leaks and can seal ducts for better results. A technician will measure your square footage and provide an upfront quote.
Updated: 2025-11-25 00:00:00
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