Divide the number of square feet in your attic by 40.
Blown attic insulation cost per square foot.
R60 3 bags per 40 square feet 15 deep 1.
On average most homeowners spend between 813 and 1492 or 1 50 to 3 00 per square foot to install attic insulation.
The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.
House insulation costs zip code sq.
For example blown in insulation for an attic in a 1 200 square foot home costs about 1 850.
Click the button to calculate the depth in inches and pounds of total insulation required for this job.
This price does not include air sealing and ventilation which costs 350 to 1 500.
1 20 1 25 per square foot for loose fill cellulose blown into an attic 1 50 per square foot for loose fill cellulose installed in finished walls for most exterior walls experts recommend an r value of r 13 to r 24.
To install attic insulation and material cost for cellulose fiberglass with a r value of.
R38 2 bags per 40 square feet.
Because the space inside a wall is filled almost completely with insulation the r values can be lower than in attics which.
R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot.
For a basic project in zip code 47474 with 500 square feet the cost to install blown in attic insulation starts at 1 08 1 86 per square foot.
An average size attic of 1 200 square ft.
The average cost of blown in insulation to achieve an r value of r 38 r 49 is 1 665 with most homeowners spending between 874 and 2 156 or 1 59 per square foot.
On average you can expect to pay between 1 25 to 2 00 per square ft.
Get fair costs for your specific project requirements.
Blown in insulation is about 1 484 with most homeowners spending between 925 and 2 076 but this is dependent on whether the work is done by the homeowner or by a professional blown in insulation also called loose fill runs from 1 to 1 50 per square foot.
Pricing depends on the size of your attic the type of insulation material used and labor rates.
See typical tasks and time to insulate an attic along with per unit costs and material requirements.
Actual costs will depend on job size conditions and options.
House insulation material prices.
Input length width and desired r value of the area to be insulated.
For example if you wanted an r38 upgrade in a 1 200 square foot attic.
Multiply the result by the number of bags needed per 40 square feet to achieve the desired r value.
This calculator is to be used as an estimating tool only.
