Contact an attic insulation contractor to see if you can add insulation to the ceiling as well as the walls for extra protection.
How to spray foam insulate attic cost.
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Spray foam insulation is substantially more energy efficient and does not lose r value for its 80 years of life.
From there multiply the cost of the foam.
For closed cell insulation the average cost works out to 5 400.
Spray foam is available in two different types.
Expanding foam for basement walls price installing expanding foam in the walls of a 1 000 square foot basement costs about 2 140 before labor.
The attic spray foam insulation cost estimator will provide you with up to date pricing for your area.
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.
The cost to insulate an attic with spray foam is around 2 200.
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.
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.
For open cell insulation the average price for a project this size would be 2 700.
Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch.