Foam Insulating Attic Cost

Blown in insulation is the least expensive option and ideal for older attics.

Foam insulating attic cost.

A board foot is one square foot that is one inch thick or one square foot that s covered by one inch of spray foam insulation. Use canned minimally expanding spray foam daptex plus window door foam sealant 7 for 16 ounces. Many factors determine the cost of spray foam insulation including the amount depth and type of insulation. Fiberglass will last 10 to 25 years if it stays dry and it s r value decreases over time.

For a basic project in zip code 47474 with 500 square feet the cost to insulate an attic starts at 1 68 3 25 per square foot. 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. The type of material used is also a determining factor. Attic spray foam insulation total 165 00 180 00 225 00 290 00 335 00 400 00.

The total projected average cost to spray foam an attic in an existing home ranges between 5 000 to 10 000. Pros and cons of using spray foam like any material spray foam insulation has advantages and disadvantages. Spray foam insulation cost per square foot spray foam insulation costs 0 44 to 1 50 per board foot. 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.

Actual costs will depend on job size conditions and options. Expanding foam insulation costs from about 0 50 to 2 50 per square foot. For example blown in insulation for an attic in a 1 200 square foot home costs about 1 850 but this price does not include the cost to remove any old insulation. On average most homeowners spend between 813 and 1492 or 1 50 to 3 00 per square foot to install attic insulation.

Spray foam is available in two different types. What variables determine the cost to spray foam an attic. To estimate costs for your project. Spray foam while the most expensive is best for noise reduction and new construction.

The average cost to have spray foam professionally installed is about 2 400 for a 1 600 sq. Spray foam insulation is substantially more energy efficient and does not lose r value for its 80 years of life. Pricing depends on the size of your attic the type of insulation material used and labor rates. Attic spray foam insulation installation cost 125 00 135 00 175 00 235 00 275 00 325 00.

Attic spray foam insulation total average cost per square foot 1 73 2 58 3 67.