Closed-Cell vs Open-Cell Spray Foam for Pole Barns | Indiana

Closed-Cell vs. Open-Cell Spray Foam for Indiana Pole Barns & Post-Frame Shops

Free, no-obligation quotes from certified local spray foam crews. Call (317) 555-0199 or use the 60-second form.

Closed-CellOpen-Cell
Condensation control on steelExcellent — bonds to metal, stops drippingLimited; can trap moisture against steel
Vapor barrierActs as a vapor retarder at ~1.5–2"Vapor permeable
R-value per inch~R-6 to R-7~R-3.5 to R-3.8
Structural rigidityAdds racking strength to panelsNone
Cost per board-footHigherLower

For most uninsulated steel pole barns in Indiana's humid summers and freezing winters, closed-cell is the default choice. Open-cell can work on wood-framed interior walls or ceilings in conditioned barndominiums.

60-Second Pole Barn Quote

Pole Barn Ballpark Cost Estimator

Approx. sprayed area: – sq ft · – board-feet

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Ballpark estimate only — request exact on-site measurement. Math: wall area = 2×(W+L)×H; roof area ≈ W×L×1.05 (pitch); board-feet = area × inches; priced at an assumed $1.00–$1.50 per board-foot installed. Real pricing depends on doors/windows, prep, access, and foam market prices.

Frequently Asked Questions

Is 1 inch of closed-cell enough?

1 inch is often used purely for condensation control in unheated buildings; 2 inches or more is typical for heated shops.

Can open-cell go directly on metal?

It is generally not recommended on bare steel because it is vapor permeable.

Indy Pole Barn Insulation is a referral service that connects Central Indiana property owners with independent, certified local spray foam contractors. We do not perform installation work. Serving Marion, Hamilton, Hendricks, Boone, Hancock, Johnson, Morgan, Shelby counties. (317) 555-0199