Blown Attic Insulation Cost Per Square Foot

An average size attic of 1 200 square ft.

Blown attic insulation cost per square foot.

Actual costs will depend on job size conditions and options. Because the space inside a wall is filled almost completely with insulation the r values can be lower than in attics which. R38 2 bags per 40 square feet. 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.

This calculator is to be used as an estimating tool only. Get fair costs for your specific project requirements. How much does blown in attic insulation cost. House insulation costs zip code sq.

For example if you wanted an r38 upgrade in a 1 200 square foot attic. Input length width and desired r value of the area to be insulated. The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. See typical tasks and time to insulate an attic along with per unit costs and material requirements.

For example blown in insulation for an attic in a 1 200 square foot home costs about 1 850. Divide the number of square feet in your attic by 40. Multiply the result by the number of bags needed per 40 square feet to achieve the desired r value. To install attic insulation and material cost for cellulose fiberglass with a r value of.

This price does not include air sealing and ventilation which costs 350 to 1 500. R60 3 bags per 40 square feet 15 deep 1. House insulation material prices. See professionally prepared estimates for attic insulation work.

On average you can expect to pay between 1 25 to 2 00 per square ft. 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. Will usually cost about 1 600 2 700. On average most homeowners spend between 813 and 1492 or 1 50 to 3 00 per square foot to install attic insulation.

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. R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot.