How Much Does Insulation Cost?
Insulation costs $0.50–$4.50 per square foot depending on type. Fiberglass batts are cheapest ($0.50–$1.50/sq ft). Spray foam is most expensive but most effective ($1.50–$4.50/sq ft). A full-home insulation project runs $3,000–$10,000.
Cost Breakdown
| Service | Low | High | Notes |
|---|---|---|---|
| Fiberglass batts (per sq ft) | $0.50 | $1.50 | — |
| Blown-in cellulose (per sq ft) | $0.75 | $2.00 | — |
| Spray foam (per sq ft) | $1.50 | $4.50 | — |
| Full attic project | $1,500 | $4,000 | — |
| Full home project | $3,000 | $10,000 | — |
How Much Does Insulation Cost?
Insulation costs $0.50–$4.50 per square foot depending on type. Fiberglass batts are cheapest ($0.50–$1.50/sq ft). Spray foam is most expensive but most effective ($1.50–$4.50/sq ft). A full-home insulation project runs $3,000–$10,000.
Related Questions
How can I save money on insulation?
Get 3+ quotes, schedule during off-peak seasons, bundle projects, and ask about discounts for cash or military.
Should I get multiple insulation quotes?
Yes, always get 2-3 quotes to compare pricing, scope, and professionalism. The cheapest bid isn't always the best value.
What should I look for when hiring for insulation?
Check licensing, insurance, reviews, BBB rating, and ask for references. Get everything in writing before work begins.