Open Cell vs Closed Cell Spray Foam, Which One Do You Need
Published on: 11/10/2026
One stops sound, the other stops water. See how open cell and closed cell spray foam differ by R-value, moisture control, and where each belongs in your home.
Eclipse Spray Foam Insulation
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One stops sound, the other stops water. See how open cell and closed cell spray foam differ by R-value, moisture control, and where each belongs in your home.

Open cell spray foam insulation costs $1.50 to $3.50 per sq ft in Valparaiso. See real price ranges, what drives cost, and how it compares to closed cell.