Cellulose has an r value of 3 2 per inch of depth while fiberglass ranges from an r value of 2 to 2 5 per inch of depth.
How much does it cost to replace insulation in attic.
Attic insulation is available in a variety of materials including fiberglass mineral rock wool cellulose spray foam polystyrene and more.
Pricing depends on the size of your attic the type of insulation material used and labor rates.
Blown in insulation is the least expensive option and ideal for older attics.
Different types of insulation have different r values explains russ lewis of green attics in fort worth texas.
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.
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How much does attic insulation cost.
It can cost anywhere from 1 700 to 2 100 or between 1 50 and 3 50 per foot to insulate an attic depending on what insulation material you choose.