Spray Foam Insulation cost: Joliet vs Logan Square (2026)
Spray foam insulation costs about the same in Joliet and Logan Square in 2026 — roughly $4,500 in each.
Joliet IL
Typically around $4,500
Logan Square IL
Typically around $4,500
Joliet vs Logan Square: full breakdown
| Factor | Joliet | Logan Square |
|---|---|---|
| Typical 2026 cost | $4,500 | $4,500 |
| Estimated range | $1,800–$7,150 | $1,800–$7,150 |
| Labor index (vs US) | ×1.12 | ×1.12 |
| Climate zone | Cold | Cold |
| Climate factor | ×1.06 | ×1.06 |
| Local permit | None | None |
| Labor share | $2,500 | $2,500 |
| Materials/equipment | $2,000 | $2,000 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Basically a tie — focus on the contractor
This is a statistical tie on spray foam insulation cost, so let contractor reputation and project timing decide, not geography.
Spray foam insulation by type: Joliet vs Logan Square
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 | Joliet | Logan Square |
|---|---|---|
| Open-cell | $1,800–$5,350 | $1,800–$5,350 |
| Closed-cell | $3,000–$8,350 | $3,000–$8,350 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Spray foam insulation by area: Joliet vs Logan Square
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 | Joliet | Logan Square |
|---|---|---|
| 500 sq ft | $1,050–$2,850 | $1,050–$2,850 |
| 1,000 sq ft | $1,800–$4,750 | $1,800–$4,750 |
| 1,500 sq ft | $2,600–$6,550 | $2,600–$6,550 |
| 2,000+ sq ft | $3,350–$7,750 | $3,350–$7,750 |
These are 2026 planning figures for spray foam insulation, localized to each city — not formal quotes.
What insulation pros earn in each metro
Since labor accounts for around 55% of what a spray foam insulation job costs, it's the biggest lever behind any price gap between cities. What you're seeing below is actual BLS metro wage data for skilled installers — not a guess.
Chicago-Naperville-Elgin metro · about 23% above the US average installer wage.
Chicago-Naperville-Elgin metro · about 23% above the US average installer wage.
Source: U.S. Bureau of Labor Statistics, OEWS metro wages for HVAC installers (used as a trade-labor index).
Cheapest time for spray foam insulation in either city
Because most homeowners wait for the fall pre-winter panic, that's when prices peak. Getting it done in spring or summer means less competition and, often, an untapped rebate budget.
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
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 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.
Don't half-do an insulation job to save money upfront: seal the air leaks first, insulate to the DOE target for your zone, and stack the rebates. The full scope pays back faster than the partial one.
Joliet vs Logan Square
Is spray foam insulation cheaper in Joliet or Logan Square?
There's no meaningful difference: spray foam insulation runs about $4,500 in both places.
Why does spray foam insulation cost more in Logan Square than Joliet?
It comes down to labor: Logan Square indexes at 1.12 against Joliet's 1.12. The cold-vs-cold climate difference adds to the gap.
How much is spray foam insulation in Joliet, IL?
Expect to pay $1,800 to $7,150 for spray foam insulation in Joliet in 2026, averaging around $4,500.
Do insulation pros really charge more in one city?
They do, and the BLS wage data confirms it: installers earn about $38.1/hr around Chicago-Naperville-Elgin versus $38.1/hr near Chicago-Naperville-Elgin. With labor making up about 55% of a spray foam insulation job, that difference carries straight through to the final price.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
It doesn't vary by location — Spring and summer is the discount window in both Joliet and Logan Square (roughly 5–10% off), while the pre-winter fall rush tends to be the most expensive in either city.
Should I choose where to live based on spray foam insulation cost?
There's no cost argument here between Joliet and Logan Square — 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