Install Spray Foam Insulation Cost in Keaau, HI in 2026
Most Install Spray Foam Insulation projects in Keaau, HI cost between $3,500 and $14,500. The typical price is $7,000.
Closed-cell spray foam costs the most per square foot and delivers the highest R-value per inch.
Labour and materials in Keaau run about 25% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Batt, blown-in cellulose or closed-cell spray foam
- Target R-value for your climate zone
- Attic, wall or crawlspace access
- Air sealing done alongside the insulation
Usually included
- Insulation material to the specified R-value
- Installation and air sealing at obvious gaps
- Cleanup and disposal
Usually extra
- Removing contaminated existing insulation
- Ventilation or moisture remediation
- Drywall work for wall injection
Unit prices in Keaau, HI
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $2.95 |
| Mid-range | $5.90 |
| High-end | $12 |
Insulation contractors in Keaau, HI
Businesses listed on Google near Keaau, HI. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Terrawatt
5.0(45 reviews)
64-5254 Puanuanu Pl, Waimea, HI 96743
Central Supply Inc
4.5(40 reviews)
820 Laukapu St, Hilo, HI 96720
Eco Foam Hawaii - Spray Foam Insulation
5.0(20 reviews)
355 Hukilike St #110, Kahului, HI 96732
Big Island Home Inspections LLC
5.0(20 reviews)
15-2049 12th Ave, Keaau, HI 96749
HPM Building Supply - Custom Metal Roofing
4.6(23 reviews)
16-166 Melekahiwa St, Keaau, HI 96749
White Cap
4.5(11 reviews)
750 Kalanianaole St, Hilo, HI 96720