Closed Cell Spray Foam vs Fiberglass

Closed cell foam outperforms fiberglass in every metric: R-value per inch, air sealing, moisture resistance, structural strength, and lifespan.

Where the Gap Is Biggest

In moisture-prone areas — crawl spaces, metal buildings, basements — fiberglass becomes a liability. Closed cell is the only right answer.

Frequently asked questions

Get Your Free Insulation Estimate in Chattanooga

Call now or request a quote — we'll come measure and send you a written estimate at no cost.

Call Now Free Estimate