This value may also change depending on the number of walls in a home.
Closed cell spray insulation cost per square foot.
There is an economy of scale involved so the larger the square footage the smaller the per square footage cost.
Spray foam insulation costs 1 36 to 2 63 per square foot depending on if it s open or closed cell.
For open cell insulation the average price for a project this size would be 2 700.
For an average 2 200 square foot home open cell foam insulation costs 1 254 for the minimum 1 5 thickness and 2 926 to spray the maximum 3 5 thickness on average while a closed cell foam installation costs 6 776.
A 10 x 10 area equals 100 square feet.
From there multiply the cost of the foam.
So if you have a 1 200 square foot attic and are planning on spraying the foam 3 inches thick multiply these two numbers to get 3 600 board feet.
Simply enter your zip code and the number of square ft.
Spray foam is available in two different types.
Closed cell spray foam insulation installation cost.
Closed cell spray foam insulation total average cost per square foot.
Labor costs and thickness add to this total.
For closed cell insulation the average cost works out to 5 400.
Closed cell insulation will cost between 1 00 and 2 00 per board foot to install.
Closed cell spray foam insulation total.
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.