Cost Closed Cell Spray Foam Attic

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.

Cost closed cell spray foam attic.

Should i use spray foam insulation in my attic. Spray foam is available in two types. Open cell has an r value of 3 7 and closed cell has an r value of 6 5 based per inch of installed spray foam. Attic spray foam insulation total average cost per square foot 1 73 2 58 3 67.

The insulation is blown into the wall or attic one layer 1 at a time. Open cell spray foam insulation is a great choice for attics and the underside of the roof deck. Attic spray foam insulation installation cost 125 00 135 00 175 00 235 00 275 00 325 00. How long does spray foam roofing last.

This is more common with closed cell foam but it happens with open cell foam too. Closed cell spray foam insulation total average cost per square foot. There is 300 difference there but the cost they give you is about a third difference and open cell foam at 12 inches will not give you the performance of 2 inches of closed. Spray foam is available in two different types.

Open and closed cell foam insulation use a blowing agent to forms the cells within it. Home if you need 3 inches of foam depth the price above would. Since closed cell foam has a higher r value per inch installers generally spray 2 in walls and 3 in rooflines to meet the energy code requirements of r 13 and r 19 respectively. Spray foam lasts roughly 80 years before beginning to deteriorate.

For an open cell the r value is 7. For example to cover a 1 500 square foot space with a one inch thick layer of closed cell spray foam insulation you will pay between 1 500 and. It s expanding properties ensure that it covers every little crack and hole but even with that ability it still needs to be installed correctly. For closed cell spray foam the r value is 12.

Open cell spray foam which usually costs 0 44 to 0 65 per board foot and closed cell spray foam which averages 1 to 1 50 per board foot the average total cost to have spray foam professionally installed is about 2 404 or between 1 278 and 3 676 spray foam insulation works as alternative to traditional fiberglass insulation during construction or. Open cell foam weighs 1 2 pound per cubic foot and closed cell weighs 2 lbs per cubic foot. Closed cell spray foam insulation total. Closed cell spray foam insulation installation cost.

Attic spray foam insulation total 165 00 180 00 225 00 290 00 335 00 400 00. The average cost to have spray foam professionally installed is about 2 400 for a 1 600 sq. Closed cell insulation will cost between 1 00 and 2 00 per board foot to install. The myth that open cell is more economical is bullshit.