Attics
An insulation menu for attics, walls and crawl spaces, with air sealing and removal priced so the customer sees the whole job.
| Service | What it covers | Typical range | Typical |
|---|---|---|---|
| Blown-in insulation | Per sq ft | $0.75 to $2.73 a sq ft | $1.66 |
| Batts or rolls | Per sq ft | $0.90 to $2.39 a sq ft | $1.52 |
| Old insulation removal | Per sq ft | $1.00 to $1.50 a sq ft | $1.25 |
| Air sealing | Top plates, chases and the attic hatch | Set your own |
Walls and foam
| Service | What it covers | Typical range | Typical |
|---|---|---|---|
| Closed walls, drill and fill | Per sq ft of wall | $0.75 to $3.25 a sq ft | $2.00 |
| Spray foam, open-cell | Per sq ft | $2.00 to $5.00 a sq ft | $3.50 |
| Spray foam, closed-cell | Per sq ft, 2 in | $2.50 to $5.80 a sq ft | $4.15 |
| Rigid foam board | Per sq ft | $0.25 to $2.00 a sq ft | $1.13 |
Crawl spaces
| Service | What it covers | Typical range | Typical |
|---|---|---|---|
| Crawl space encapsulation | Per sq ft, basic job | $3.00 to $7.00 a sq ft | $5.00 |
| Rim joist sealing | Per linear foot | Set your own |
How insulation contractors usually price
Insulation contractors price by the square foot for each material, with removal, air sealing and prep as separate lines. A depth or R-value on the estimate makes jobs easy to compare.
Our guide on pricing insulation work walks through it step by step, from your labor rate to the price on the estimate.
Where the ranges come from
8 of the 10 services carry a range. Each one comes from a koira.ai calculator that lists the cost guides behind it and the date they were checked: insulation cost calculator, crawl space encapsulation cost calculator. They are national figures; the calculators scale the labor share to your state's wages when you enter a ZIP.
Lines marked "Set your own" have no range we could source well enough to publish. Price them from your own hours and parts.
What it takes to deliver this menu
The starter kit behind these services: insulation blowing machine (rent or buy); blowing hose and fittings; insulation knife and a straightedge; staple hammer; respirator, coveralls, goggles and gloves; attic boards or walk boards; headlamp and work lights; ladder for attic hatches; rulers and depth markers for attics. The full tools list adds the pro kit and van stock, with maker prices where we could check them.
Turn this into your price list
Edit the prices in the sheet above, print it or download it as a spreadsheet. To use it on real jobs, start a free Koira Office account: your services and prices become the price list your estimates are built from, with signing and a deposit on the same page, and the invoice goes out when the job is done.
Start free on the Office plan. Everything on this page stays free without an account.
Sources
- ENERGY STAR, recommended home insulation R-values, checked October 8, 2026
- Bob Vila, attic insulation cost, checked October 8, 2026
- This Old House, spray foam insulation cost, checked October 8, 2026
- Fixr, home insulation cost, checked October 8, 2026
- Thumbtack, insulation cost, checked October 8, 2026
- HomeAdvisor, insulation cost, checked October 8, 2026
- BLS Occupational Employment and Wage Statistics, May 2025 (state and national files), checked October 8, 2026
- US Census Bureau, 2020 ZIP Code Tabulation Area to county relationship file, checked October 8, 2026
- This Old House, crawl space encapsulation cost, checked October 9, 2026
- HomeAdvisor, crawl space encapsulation cost, checked October 9, 2026
- Bob Vila, crawl space encapsulation cost, checked October 9, 2026
- Fixr, sump pump installation cost, checked October 9, 2026
- HomeAdvisor, sump pump replacement cost, checked October 9, 2026
- Bob Vila, sump pump cost, checked October 9, 2026
Last checked October 9, 2026. This page is general information, not legal or tax advice. Rules change and differ by state and city, so confirm with the agency named before you act.