Spray Foam Insulation cost: Provo vs St. George (2026)
Provo and St. George are a near-perfect match on spray foam insulation cost in 2026, both landing around $3,900.
Provo UT
Typically around $3,900
St. George UT
Typically around $3,900
Provo vs St. George: full breakdown
| Factor | Provo | St. George |
|---|---|---|
| Typical 2026 cost | $3,900 | $3,900 |
| Estimated range | $1,550–$6,200 | $1,550–$6,200 |
| Labor index (vs US) | ×0.97 | ×0.97 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,150 | $2,150 |
| Materials/equipment | $1,750 | $1,750 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Basically a tie — focus on the contractor
Neither metro has a cost edge on spray foam insulation — spend your decision-making energy on the contractor, not the location.
Spray foam insulation by type: Provo vs St. George
Each spray foam insulation option, priced separately for both metros — the same local labor, climate and permit adjustments applied per city, so you can compare like for like.
| Type | Provo | St. George |
|---|---|---|
| Open-cell | $1,550–$4,650 | $1,550–$4,650 |
| Closed-cell | $2,600–$7,200 | $2,600–$7,200 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Spray foam insulation by area: Provo vs St. George
Spray foam is priced by board foot (1 sq ft at 1 inch thick), which works out to about $1.50–$5 per sq ft of surface installed depending on foam type and thickness. Closed-cell costs more but adds twice the R-value per inch.
| Size | Provo | St. George |
|---|---|---|
| 500 sq ft | $950–$2,450 | $950–$2,450 |
| 1,000 sq ft | $1,550–$4,100 | $1,550–$4,100 |
| 1,500 sq ft | $2,250–$5,650 | $2,250–$5,650 |
| 2,000+ sq ft | $2,900–$6,700 | $2,900–$6,700 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
Cheapest time for spray foam insulation in either city
Demand for insulation spikes every fall as winter approaches, pushing prices with it. Spring and summer avoid that crowd, and utility rebate pools are frequently still fresh that early in the year.
How much insulation is worth paying for?
Three choices shape an insulation budget — target R-value, whether air-sealing is included, and material type. Our editors weigh how each affects payback.
The rebate case
Insulation has some of the best rebate math in home improvement — utility and state programs can cover a solid share (the federal 25C credits ended Dec 2025). Check DSIRE before you book and time it to a fresh rebate budget.
The R-value case
Insulate to the DOE recommendation for your climate zone — under-insulating to save money leaves comfort and energy savings on the table that would have paid the job back.
The air-sealing case
Skip air-sealing and you're insulating around the very holes letting conditioned air leak out. Caulk, foam and weatherstripping are inexpensive and often return more felt comfort than a thicker blanket of insulation ever would — insist the crew handles the leaks before they bury them.
Hit the DOE R-value for your zone, air-seal first, and stack the rebates. Insulation is one of the few upgrades where doing it fully is also the cheapest path to payback.
Provo vs St. George
Is spray foam insulation cheaper in Provo or St. George?
Practically identical — expect around $3,900 for spray foam insulation whichever city you're in.
Why does spray foam insulation cost more in St. George than Provo?
It comes down to labor: St. George indexes at 0.97 against Provo's 0.97. The cold-vs-cold climate difference adds to the gap.
How much is spray foam insulation in Provo, UT?
Provo homeowners can expect $1,550 to $6,200 for spray foam insulation in 2026, with $3,900 the typical number.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
The best window is the same in both Provo and St. George: Spring and summer, when demand drops and installers discount to keep crews busy — typically 5–10% off peak pricing. The most expensive time anywhere is an emergency replacement during the pre-winter fall rush.
Should I choose where to live based on spray foam insulation cost?
There's no cost argument here between Provo and St. George — they're a wash. Focus on contractor reputation, project scope, equipment tier and timing.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik