Cost Closed Cell Spray Foam Attic Conversion

Spray foam insulation price starts at about 0 60 or 60 cents per board foot for diy open cell spf with a top cost of about 80 cents.

Cost closed cell spray foam attic conversion. 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. 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. The costs are slightly different when it comes to metal buildings because of the way the spray foam takes i e.

Spray foam is available in two different types. When using this spray foam insulation cost calculator it is generally a good idea to factor in about 10 extra spray foam insulation cost to account for over spray waste and yield variations due to your particular ambient conditions. Fiberglass batt insulation is priced by the roll or by the square foot. Depending on how close your calculated requirements are to the actual yield of the recommended kit size or quantity you may need more material to.

Insulating value and strength. However if you need three layers of spray insulation or 1 500 bd. Closed cell spray foam insulation cost is 1 25 2 00 per board foot for the material diy. For open cell insulation the average price for a project this size would be 2 700.

Ft for a 50sf room the cost triples to 1 500. Closed cell spray foam insulation total average cost per square foot. 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. 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.

Open cell foam has an r value of about 3 5 to 3 7 per inch while closed cell foam has an r value of about 6 per inch. Spray foam insulation costs 1 36 to 2 63 per square foot depending on if it s open or closed cell. For closed cell insulation the average cost works out to 5 400. Attic spray foam insulation total average cost per square foot 1 73 2 58 3 67.

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. Closed cell spray foam insulation installation cost. From there multiply the cost of the foam. How it combines with the surfaces.