Spray Foam Insulation cost: Hattiesburg vs Jackson (2026)
In 2026, spray foam insulation is about 1% less expensive in Hattiesburg than in Jackson. Most homeowners pay around $3,600 in Hattiesburg versus $3,650 in Jackson — a gap of roughly $50.
Hattiesburg MS
Lower costTypically around $3,600
Jackson MS
Typically around $3,650
Hattiesburg vs Jackson: full breakdown
| Factor | Hattiesburg | Jackson |
|---|---|---|
| Typical 2026 cost | $3,600 | $3,650 |
| Estimated range | $1,450–$5,750 | $1,450–$5,800 |
| Labor index (vs US) | ×0.94 | ×0.95 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | None | None |
| Labor share | $2,000 | $2,000 |
| Materials/equipment | $1,600 | $1,650 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
How much should this gap actually matter?
1% 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: Hattiesburg vs Jackson
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 | Hattiesburg | Jackson |
|---|---|---|
| Open-cell | $1,450–$4,300 | $1,450–$4,350 |
| Closed-cell | $2,400–$6,700 | $2,400–$6,750 |
Spray foam insulation numbers here are 2026 planning ranges, adjusted per city — useful for budgeting, not a substitute for an actual quote.
Spray foam insulation by area: Hattiesburg vs Jackson
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 | Hattiesburg | Jackson |
|---|---|---|
| 500 sq ft | $850–$2,300 | $850–$2,300 |
| 1,000 sq ft | $1,450–$3,850 | $1,450–$3,850 |
| 1,500 sq ft | $2,100–$5,250 | $2,100–$5,300 |
| 2,000+ sq ft | $2,700–$6,250 | $2,700–$6,250 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
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?
Insulation is priced on more than thickness. Target R-value, the presence or absence of air-sealing, and the material itself each pull the number in a different direction, and each changes how fast the job pays for itself.
The rebate case
Insulation carries some of the strongest incentive money in remodeling, with utility and state rebates covering a real portion of the cost since the federal 25C credit expired at the end of 2025. Look up what applies on DSIRE, then schedule the work while rebate funds are still unclaimed for the year.
The air-sealing case
Blown-in or batt, insulation can only slow the heat that isn't already escaping through gaps and penetrations. Sealing those leaks costs little and frequently buys more comfort per dollar than piling on extra R-value, so confirm it's written into the scope.
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.
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.
Hattiesburg vs Jackson
Is spray foam insulation cheaper in Hattiesburg or Jackson?
Yes — Jackson costs more. Expect around $3,650 for spray foam insulation there against $3,600 in Hattiesburg, about $50 (1%) apart in 2026.
Why does spray foam insulation cost more in Jackson than Hattiesburg?
It comes down to labor: Jackson indexes at 0.95 against Hattiesburg's 0.94. The hot-vs-hot climate difference adds to the gap.
How much is spray foam insulation in Hattiesburg, MS?
Hattiesburg homeowners can expect $1,450 to $5,750 for spray foam insulation in 2026, with $3,600 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 Hattiesburg and Jackson, 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, $50 is a real gap, but it's a one-time cost you can partly offset in Jackson 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