1 The backslash divides the file name from the path to it, and one directory name from another directory name in a path. 2  You cannot use a backslash in the name for the actual file or directory because it is a reserved character that separates the names into components.
1 Open-cell spray foam costs $.40 to $.70 per board foot. 2  Closed-cell spray foam costs $.75 to $1 per board foot. 3  Expressed in terms of square feet, spray foam installation cost is $1.50 to $3.00 per square foot (for an average-sized home between 2,000 to 2,500 square feet, thatâs a total cost of $3,000 to $7,500.pray Foam Insulation Prices. While the function of spray foam insulationâto keep buildings warm during cold weather and cool during warm weatherâis the same as traditional pink fiberglass insulation, thatâs where the similarities between the two materials end.
How Much Product Will You Need. Use the following form to estimate the amount of Foam It GreenÂ® insulation spray foam kits will be required for your next project. Foam It GreenÂ® spray foam insulation has R value of 7 in just 1 inch. Just 1 Inch of Foam It Green Seals Out Air and Insulates. 1  Most of our customers spray 1-2 inches of Foam It Green Spray Foam Insulation and then add fiberglass batting to fill the rest of the stud space. 2  No project is exact - so we recommend adding 20% to make sure you have enough.