Spray Foam Insulation cost: Gillette vs Laramie (2026)
The two metros aren't quite in sync on spray foam insulation: Gillette sits 3% below Laramie, or roughly $3,750 versus $3,850 — about $100 apart.
Gillette WY
Lower costTypically around $3,750
Laramie WY
Typically around $3,850
Gillette vs Laramie: full breakdown
| Factor | Gillette | Laramie |
|---|---|---|
| Typical 2026 cost | $3,750 | $3,850 |
| Estimated range | $1,500–$5,950 | $1,550–$6,150 |
| Labor index (vs US) | ×0.93 | ×0.97 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,050 | $2,100 |
| Materials/equipment | $1,700 | $1,750 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Is the gap worth worrying about?
3% is within noise for spray foam insulation — contractor selection and timing move the price more than which of these two metros you're in.
Spray foam insulation by type: Gillette vs Laramie
Below, each spray foam insulation option is priced independently for both cities, with identical local labor, climate and permit logic applied — so the comparison holds up.
| Type | Gillette | Laramie |
|---|---|---|
| Open-cell | $1,500–$4,450 | $1,550–$4,600 |
| Closed-cell | $2,500–$6,950 | $2,550–$7,200 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Spray foam insulation by area: Gillette vs Laramie
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 | Gillette | Laramie |
|---|---|---|
| 500 sq ft | $900–$2,400 | $900–$2,450 |
| 1,000 sq ft | $1,500–$3,950 | $1,550–$4,100 |
| 1,500 sq ft | $2,200–$5,450 | $2,250–$5,650 |
| 2,000+ sq ft | $2,750–$6,450 | $2,850–$6,650 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
Cheapest time for spray foam insulation in either city
Everyone insulates in fall before winter, so that's the busy, full-price season. Booking in spring or summer catches off-peak pricing — and utility rebate budgets are often freshest early in the year.
How much insulation is worth paying for?
R-value, air-sealing and material decide both the price and the payback. Our editors on the trade-offs.
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 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.
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.
Gillette vs Laramie
Is spray foam insulation cheaper in Gillette or Laramie?
In 2026, spray foam insulation is cheaper in Gillette at about $3,750, versus $3,850 in Laramie — a difference of about $100 (3%).
Why does spray foam insulation cost more in Laramie than Gillette?
Laramie's higher labor index (0.97 vs 0.93 in Gillette) is the biggest factor, with the cold/cold climate split playing a smaller role.
How much is spray foam insulation in Gillette, WY?
Expect to pay $1,500 to $5,950 for spray foam insulation in Gillette in 2026, averaging around $3,750.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
The best window is the same in both Gillette and Laramie: 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?
Probably not. Yes, $100 is a real gap, but it's a one-time cost you can partly offset in Laramie 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