Montana
Spray Foam Insulation cost in Montana (2026)
Across Montana, spray foam insulation varies by your city's labor rates, climate and permit fees. Select your city below for a localized estimate.
Statewide range · 2026
$1,500 – $6,200
spray foam insulation typically falls in this range across 4 Montana cities — your exact estimate depends on local rates.
| City | Typical 2026 range |
|---|---|
| Billings, MT | $1,500 – $6,100 |
| Missoula, MT | $1,500 – $6,000 |
| Great Falls, MT | $1,500 – $6,050 |
| Bozeman, MT | $1,550 – $6,200 |