Spray Foam Insulation cost: Beloit vs Green Bay (2026)
Beloit and Green Bay are a near-perfect match on spray foam insulation cost in 2026, both landing around $3,800.
Beloit WI
Typically around $3,800
Green Bay WI
Typically around $3,800
Beloit vs Green Bay: full breakdown
| Factor | Beloit | Green Bay |
|---|---|---|
| Typical 2026 cost | $3,800 | $3,800 |
| Estimated range | $1,500–$6,100 | $1,500–$6,050 |
| Labor index (vs US) | ×0.96 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,100 | $2,100 |
| Materials/equipment | $1,700 | $1,700 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
A wash — choose on quality, not city
The two metros are effectively a wash for spray foam insulation — pick on contractor quality and timing, not location.
Spray foam insulation by type: Beloit vs Green Bay
Every spray foam insulation type gets its own localized price for each metro, using the same labor, climate and permit adjustments — a true apples-to-apples comparison.
| Type | Beloit | Green Bay |
|---|---|---|
| Open-cell | $1,500–$4,550 | $1,500–$4,550 |
| Closed-cell | $2,550–$7,100 | $2,500–$7,050 |
Treat these as 2026 localized estimates for spray foam insulation, not quotes from a contractor.
Spray foam insulation by area: Beloit vs Green Bay
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 | Beloit | Green Bay |
|---|---|---|
| 500 sq ft | $900–$2,450 | $900–$2,400 |
| 1,000 sq ft | $1,500–$4,050 | $1,500–$4,050 |
| 1,500 sq ft | $2,250–$5,550 | $2,200–$5,550 |
| 2,000+ sq ft | $2,850–$6,600 | $2,800–$6,550 |
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
Fall is when everyone rushes to insulate before winter hits, making it the busiest and priciest season. Spring and summer see far less demand — and utility rebate budgets are often still full that early in the year.
How much insulation is worth paying for?
How much you spend on insulation and how fast it pays back come down to R-value, air-sealing and material. Our editors break down the trade-offs.
The R-value case
Aim for the R-value the DOE assigns your zone, not a round number that sounds close enough. Every point you fall short is comfort you don't feel and utility savings you never bank — savings that would have covered the extra material several times over.
The rebate case
Few home projects come with rebate support like insulation does — utility and state programs routinely offset a meaningful slice of the bill (the federal 25C credit closed in December 2025). Run your address through DSIRE first, and book when a program's yearly budget has just refilled.
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.
Of every home upgrade, insulation rewards doing it right the most: air-seal first, meet the DOE R-value for your climate zone, and use the rebates on the table. Cutting the scope here just delays the payback.
Beloit vs Green Bay
Is spray foam insulation cheaper in Beloit or Green Bay?
Not really — both cities land at almost the same number for spray foam insulation, around $3,800 each.
Why does spray foam insulation cost more in Green Bay than Beloit?
Labor rates explain most of it — 0.95 in Green Bay vs 0.96 in Beloit. A cold climate versus cold accounts for the rest.
How much is spray foam insulation in Beloit, WI?
Expect to pay $1,500 to $6,100 for spray foam insulation in Beloit in 2026, averaging around $3,800.
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 Beloit and Green Bay, 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?
No — the cost is essentially identical between Beloit and Green Bay. Base the decision on the things that actually vary: contractor reputation, scope, equipment tier and timing.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik