Spray Foam Insulation cost: Cheyenne vs Gillette (2026)
In 2026, spray foam insulation is about 3% more expensive in Cheyenne than in Gillette. Most homeowners pay around $3,850 in Cheyenne versus $3,750 in Gillette — a gap of roughly $100.
Cheyenne WY
Typically around $3,850
Gillette WY
Lower costTypically around $3,750
Cheyenne vs Gillette: full breakdown
| Factor | Cheyenne | Gillette |
|---|---|---|
| Typical 2026 cost | $3,850 | $3,750 |
| Estimated range | $1,550–$6,150 | $1,500–$5,950 |
| Labor index (vs US) | ×0.97 | ×0.93 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,100 | $2,050 |
| Materials/equipment | $1,750 | $1,700 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Is the price difference a dealbreaker?
That 3% gap is small — for spray foam insulation it's usually less than the spread between two local contractors' quotes, so the metro matters far less than who you hire and when you buy.
Spray foam insulation by type: Cheyenne vs Gillette
We localize each spray foam insulation type separately for both metros, applying the same labor, climate and permit adjustments each time, so you're comparing like for like.
| Type | Cheyenne | Gillette |
|---|---|---|
| Open-cell | $1,550–$4,600 | $1,500–$4,450 |
| Closed-cell | $2,550–$7,200 | $2,500–$6,950 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Spray foam insulation by area: Cheyenne vs Gillette
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 | Cheyenne | Gillette |
|---|---|---|
| 500 sq ft | $900–$2,450 | $900–$2,400 |
| 1,000 sq ft | $1,550–$4,100 | $1,500–$3,950 |
| 1,500 sq ft | $2,250–$5,650 | $2,200–$5,450 |
| 2,000+ sq ft | $2,850–$6,650 | $2,750–$6,450 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Cheapest time for spray foam insulation in either city
Everyone waits until fall to insulate, which is exactly why fall costs the most. Spring and summer are quieter for installers and often catch a fresh year's rebate budget before it runs dry.
How much insulation is worth paying for?
Insulation is one of the few home upgrades where spending more can genuinely pay for itself. Our editors on the choices that decide both cost and 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 air-sealing case
Insulation without air-sealing underperforms. Sealing leaks first is cheap and often delivers more comfort per dollar than thicker insulation alone — make sure it's in the scope.
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.
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.
Cheyenne vs Gillette
Is spray foam insulation cheaper in Cheyenne or Gillette?
Gillette wins on price: spray foam insulation runs about $3,750 there versus $3,850 in Cheyenne, a gap of roughly $100 (3%) as of 2026.
Why does spray foam insulation cost more in Cheyenne than Gillette?
It comes down to labor: Cheyenne indexes at 0.97 against Gillette's 0.93. The cold-vs-cold climate difference adds to the gap.
How much is spray foam insulation in Cheyenne, WY?
Expect to pay $1,550 to $6,150 for spray foam insulation in Cheyenne in 2026, averaging around $3,850.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
Timing doesn't change by city here — Spring and summer is the cheapest window in both Cheyenne and Gillette, saving roughly 5–10%. Avoid the pre-winter fall rush in either location, when emergency replacements push prices up.
Should I choose where to live based on spray foam insulation cost?
Probably not. Yes, $100 is a real gap, but it's a one-time cost you can partly offset in Cheyenne with off-season timing and tighter bids. Long-term factors like energy prices and home condition matter more than this one number.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik