Spray Foam Insulation cost: Madison vs Racine (2026)
Madison runs 3% higher than Racine for spray foam insulation — expect around $3,900 in Madison against $3,800 in Racine, a difference of about $100.
Madison WI
Typically around $3,900
Racine WI
Lower costTypically around $3,800
Madison vs Racine: full breakdown
| Factor | Madison | Racine |
|---|---|---|
| Typical 2026 cost | $3,900 | $3,800 |
| Estimated range | $1,550–$6,200 | $1,500–$6,050 |
| Labor index (vs US) | ×0.98 | ×0.95 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,150 | $2,100 |
| 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 gap worth worrying about?
A 3% difference on spray foam insulation is minor — you'll typically see a wider spread just from getting multiple quotes in the same city, so don't let location drive the decision.
Spray foam insulation by type: Madison vs Racine
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 | Madison | Racine |
|---|---|---|
| Open-cell | $1,550–$4,650 | $1,500–$4,550 |
| Closed-cell | $2,600–$7,250 | $2,500–$7,050 |
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: Madison vs Racine
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 | Madison | Racine |
|---|---|---|
| 500 sq ft | $950–$2,500 | $900–$2,400 |
| 1,000 sq ft | $1,550–$4,150 | $1,500–$4,050 |
| 1,500 sq ft | $2,300–$5,700 | $2,200–$5,550 |
| 2,000+ sq ft | $2,900–$6,750 | $2,800–$6,550 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
Cheapest time for spray foam insulation in either city
The fall insulation rush drives prices up because everyone's thinking about the coming winter at once. Book in spring or summer instead, when demand is lower and rebate funds haven't been claimed yet.
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 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.
Madison vs Racine
Is spray foam insulation cheaper in Madison or Racine?
Yes — Madison costs more. Expect around $3,900 for spray foam insulation there against $3,800 in Racine, about $100 (3%) apart in 2026.
Why does spray foam insulation cost more in Madison than Racine?
Madison's higher labor index (0.98 vs 0.95 in Racine) is the biggest factor, with the cold/cold climate split playing a smaller role.
How much is spray foam insulation in Madison, WI?
Madison 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?
Timing doesn't change by city here — Spring and summer is the cheapest window in both Madison and Racine, 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?
Not really — the $100 gap is one-time, and smart timing and tighter quotes in Madison can shrink it. Factors that compound over time, like energy prices and home condition, deserve more weight than a single upfront difference.
Compare spray foam insulation in other cities
Updated June 2026 · By Serhat Özçelik