Blown in insulation is the least expensive option and ideal for older attics.
Attic foam insulation cost.
The average cost to have spray foam professionally installed is about 2 400 for a 1 600 sq.
This cost is affected by the size of the home and the layout of the house.
It can cost anywhere from 1 700 to 2 100 or between 1 50 and 3 50 per foot to insulate an attic depending on what insulation material you choose.
On average attic insulation costs between 1 50 and 3 00 per square foot depending on the type of materials used and the r value per inch of those materials.
Spray foam is available in two different types.
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.
Spray foam while the most expensive is best for noise reduction and new construction.
Attic spray foam insulation total average cost per square foot 1 73 2 58 3 67.
T that s for top to bottom insulation from the basement to the attic including all exterior walls.
Depending on where you live spray foam insulation in new construction for a 1 000 square foot home will cost an average of 5 000 7 000.