Fiberglass batt insulation is priced by the roll or by the square foot.
Cost closed cell spray foam attic conversion.
Attic spray foam insulation total 165 00 180 00 225 00 290 00 335 00 400 00.
Attic spray foam insulation installation cost 125 00 135 00 175 00 235 00 275 00 325 00.
Insulating value and strength.
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.
Closed cell spray foam insulation total average cost per square foot.
The costs are slightly different when it comes to metal buildings because of the way the spray foam takes i e.
Ft for a 50sf room the cost triples to 1 500.
The average cost to have spray foam professionally installed is about 2 400 for a 1 600 sq.
Closed cell spray foam insulation total.
For open cell insulation the average price for a project this size would be 2 700.
However if you need three layers of spray insulation or 1 500 bd.
From there multiply the cost of the foam.
Spray foam insulation costs 1 36 to 2 63 per square foot depending on if it s open or closed cell.
How it combines with the surfaces.
Closed cell spray foam insulation cost is 1 25 2 00 per board foot for the material diy.
Closed cell spray foam insulation installation cost.
Attic spray foam insulation total average cost per square foot 1 73 2 58 3 67.
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.
For closed cell insulation the average cost works out to 5 400.
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.
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.
Spray foam is available in two different types.
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 2 250.
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.