Spray Foam Insulation cost: Lafayette vs Shreveport (2026)
In 2026, spray foam insulation is about 1% more expensive in Lafayette than in Shreveport. Most homeowners pay around $3,650 in Lafayette versus $3,600 in Shreveport — a gap of roughly $50.
Lafayette LA
Typically around $3,650
Shreveport LA
Lower costTypically around $3,600
Lafayette vs Shreveport: full breakdown
| Factor | Lafayette | Shreveport |
|---|---|---|
| Typical 2026 cost | $3,650 | $3,600 |
| Estimated range | $1,450–$5,800 | $1,450–$5,750 |
| Labor index (vs US) | ×0.95 | ×0.94 |
| Climate zone | Hot | Hot |
| Climate factor | ×1.02 | ×1.02 |
| Local permit | None | None |
| Labor share | $2,000 | $2,000 |
| Materials/equipment | $1,650 | $1,600 |
Localized 2026 planning estimates — not quotes. Each city adjusts the national spray foam insulation range for local labor, climate and permits.
How much should this gap actually matter?
At 1%, this gap is small enough that it's usually swallowed by normal quote-to-quote variation for spray foam insulation — focus on the contractor, not the city.
Spray foam insulation by type: Lafayette vs Shreveport
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 | Lafayette | Shreveport |
|---|---|---|
| Open-cell | $1,450–$4,350 | $1,450–$4,300 |
| Closed-cell | $2,400–$6,750 | $2,400–$6,700 |
All figures are 2026 localized planning estimates for spray foam insulation — get an actual quote before you commit.
Spray foam insulation by area: Lafayette vs Shreveport
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 | Lafayette | Shreveport |
|---|---|---|
| 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–$5,300 | $2,100–$5,250 |
| 2,000+ sq ft | $2,700–$6,250 | $2,700–$6,250 |
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 waits until fall to insulate, which is exactly why fall costs the most. Spring and summer are quieter for installers and often catch a fresh year's rebate budget before it runs dry.
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 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 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.
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.
Lafayette vs Shreveport
Is spray foam insulation cheaper in Lafayette or Shreveport?
Shreveport wins on price: spray foam insulation runs about $3,600 there versus $3,650 in Lafayette, a gap of roughly $50 (1%) as of 2026.
Why does spray foam insulation cost more in Lafayette than Shreveport?
The main driver is local labor rates: Lafayette's labor index is 0.95 versus 0.94 in Shreveport. Climate zone (hot vs hot) also shift the total.
How much is spray foam insulation in Lafayette, LA?
Lafayette homeowners can expect $1,450 to $5,800 for spray foam insulation in 2026, with $3,650 the typical number.
When is the cheapest time to buy spray foam insulation — and does it differ by city?
No, the seasonal pattern is the same in Lafayette and Shreveport: book during Spring and summer for about 5–10% in savings. The pre-winter fall rush is the priciest stretch in both cities, mostly due to emergency replacements.
Should I choose where to live based on spray foam insulation cost?
Not really — the $50 gap is one-time, and smart timing and tighter quotes in Lafayette 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