Pricing depends on the size of your attic the type of insulation material used and labor rates.
Attic spray foam insulation cost per square foot.
Many factors determine the cost of spray foam insulation including the amount depth and type of insulation.
Generally spray foam insulation costs between 0 44 and 1 50 per board foot.
Attic spray foam insulation total average cost per square foot 1 73 2 58 3 67.
Fiberglass will last 10 to 25 years if it stays dry and it s r value decreases over time.
For example blown in insulation for an attic in a 1 200 square foot home costs about 1 850.
Spray foam insulation costs 1 36 to 2 63 per square foot to install and blown in fiberglass insulation costs 0 40 per square foot to install.
How much does spray foam insulation cost.
Open cell spray foam which is usually 1 00 to 1 20 per square foot and closed cell spray foam which is about 1 25 to 1 50 per square foot 1 by 12 x 12 area of coverage.
Attic spray foam insulation total 165 00 180 00 225 00 290 00 335 00 400 00.
Attic spray foam insulation installation cost 125 00 135 00 175 00 235 00 275 00 325 00.
Spray foam insulation is substantially more energy efficient and does not lose r value for its 80 years of life.
On average most homeowners spend between 813 and 1492 or 1 50 to 3 00 per square foot to install attic insulation.