An average size attic of 1 200 square ft.
Cost replace attic insulation.
Blown in insulation is the least expensive option and ideal for older attics.
The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options.
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On average you can expect to pay between 1 25 to 3 00 per square ft to install attic insulation and material cost for batt roll r 11 to r 38 insulation runs between 0 15 to 0 65 cents per square foot.
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For example blown in insulation for an attic in a 1 200 square foot home costs about 1 850 but this price does not include the cost to remove any old insulation.
Will usually cost about 1 900 2 800.
On average most homeowners spend between 813 and 1492 or 1 50 to 3 00 per square foot to install attic insulation.
See typical tasks and time to insulate an attic along with per unit costs and material requirements.