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 cost per square foot.
Attic spray foam insulation total 165 00 180 00 225 00 290 00 335 00 400 00.
Pros and cons of using spray foam like any material spray foam insulation has advantages and disadvantages.
Attic spray foam insulation total average cost per square foot 1 73 2 58 3 67.
The average homeowner insulating a 1 200 square foot attic with 3 inches of open cell insulation will spend around 2 700.
Attic spray foam insulation installation cost 125 00 135 00 175 00 235 00 275 00 325 00.
Generally spray foam insulation costs between 0 44 and 1 50 per board foot.
Spray foam is available in two different types.
How much does spray foam insulation cost.
On average most homeowners spend between 813 and 1492 or 1 50 to 3 00 per square foot to install attic insulation.
For example blown in insulation for an attic in a 1 200 square foot home costs about 1 850.
Spray foam insulation is substantially more energy efficient and does not lose r value for its 80 years of life.
Fiberglass will last 10 to 25 years if it stays dry and it s r value decreases over time.