R 38 Attic Insulation Cost

An average size attic of 1 200 square ft.

R 38 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. Spray foam insulation is the most expensive option with the highest roi. Add insulation to attic. See professionally prepared estimates for attic insulation work.

The cost to insulate an attic starts at 1 68 3 25 per square foot but can vary significantly with site conditions and options. Get fair costs for your specific project requirements. Find your zone on the map and then use the chart to determine the level of insulation you need to properly insulate your attic walls floors and crawlspaces. 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.

Free online r38 insulation cost guide breaks down fair prices in your area. Blown in insulation is the least expensive option and ideal for older attics. Will usually cost about 1 900 2 800. See typical tasks and time to insulate an attic along with per unit costs and material requirements.

8 bags model k91 view the owens corning attic insulation. How much does attic insulation cost. The higher the r value the better the thermal performance of the insulation. Input project size product quality and labor type to get r38 insulation material pricing and installation cost estimates.

Insulation costs between 1 400 and 2 300 blown in insulation is a little cheaper than batting fiberglass and radiant barrier insulation which cost 1 600 on average. When you need to add insulation to an attic crawl space or walls of a home the fastest and most cost efficient method is to use blown in insulation. 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. Blowing in loose fill insulation is easier than laying rolls it blows into tight spaces where the slope of the roof meets the perimeter walls and also gets around any plumbing.

Recommended insulation levels for retrofitting existing wood framed buildings. Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. The table below shows what levels of insulation are cost effective for different climates and locations in the home.