Spray Foam Insulation Retrofit Cost

Most homeowners spend 1 463 to 2 926 for professional spray foam installation with prices ranging from 627 to 8 000 depending on what needs insulating.

Spray foam insulation retrofit cost.

Spray foam is available in two types. The average cost to have spray foam professionally installed is about 2 400 for a 1 600 sq. Attic spray foam insulation total average cost per square foot 1 73 2 58 3 67. Attic spray foam insulation installation cost 125 00 135 00 175 00 235 00 275 00 325 00.

Spray foam is installed between the roof rafters along the soffit areas and directly to all exterior surfaces such as gable walls dormers etc to produce an air tight building envelope. Attic spray foam insulation total 165 00 180 00 225 00 290 00 335 00 400 00. Home if you need 3 inches of foam depth the price above would. Nothing else comes close really.

Spray foam insulation costs between 0 25 and 1 50 per board foot or 1 36 to 2 63 per square foot depending on the type. For a 200 square foot wall cavity to be filled with spray foam insulation will cost between 300 and 600 again the precise location within the range is determined by the factors above. 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.

This cost is similar compared to fiberglass batting which costs between 0 64 and 1 19 per square foot or between 300 and 500 for 500sf of insulation. A board foot is a useful metric to know when it comes to spray foam installation. Closed cell spray foam is the king of the insulations when it comes to both r value per inch and cost. Foam lok retrofit foam insulation adds tremendous r value to exterior walls achieving up to r 13 in 2 x 4 walls and up to r 21 in 2 6 walls.

Unlike its open cell cousin closed cell spray foam is not vapor permeable and will not hold water. Additionally foam lok retrofit foam insulation reduces energy use in buildings beyond its stated r value because foam lok retrofit foam. One board foot is one square foot of area with a depth of one. Spray foam kits are quicker and easier to use plus you get a seamless air barrier and high r value in just 1 inch.

For example applying one 1 inch layer of spray foam insulation that costs 1 per board foot to a 500sf space would cost around 500. In a non vented attic insulation is applied directly to the underside of the roof sheathing to insulate the entire attic from seasonal heat and or cold. 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 2 408 or between 1 277 and 3 679 spray foam insulation works as alternative to traditional fiberglass insulation during construction or.