How Much Blown In Insulation To Put In Attic

Input length width and desired r value of the area to be insulated.

How much blown in insulation to put in attic.

How much does blown in attic insulation cost. When blown into attics and wall spaces loose fill fiberglass offers an average r 2 5 thermal value per inch the higher the number the greater the insulating effect. 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. Type and material of your insulation.

Achieving greater r values in attics the higher the r value the better the thermal performance of the insulation. Blown in insulation is preferred for being faster and more effective if adding insulation to an already existing home. You d need a thickness of. Contractor or insulation installer s fee.

Most attics are insulated with blown in loose cellulose r 3 5 per inch blown in loose fiberglass r 2 5 per inch or fiberglass batts r 3 2 per inch. 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. For an effective insulation project you want to go for a thermal resistance of between r 38 and r 49 which may cost you about 1 59 per square foot which translates to about 1590 if your attic has an area of 1000 square feet. The main factors that impact the cost are.

Blowing attic insulation isn t hard but it s dusty sweaty work. Click the button to calculate the depth in inches and pounds of total insulation required for this job. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. This calculator is to be used as an estimating tool only.

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. If your insulation doesn t measure up and you need more installation can be done as a weekend diy project or you can call a professional installer to handle the job. On average you can expect to pay between 1 25 to 2 00 per square ft. Square footage of your attic.

According to home advisor insulating your attic can cost between 1700 to 2100. The pros charge 1 500 to 2 000 to do a 1 200 sq ft. Your attic should have a certain amount of insulation in it and the recommended level of insulation for your attic is dependent on where you live. Blown in insulation overview.

R 30 to r 60 insulation will cost between 0 15 to 0 65 cents per square foot. You can do it yourself for about 500. Fiberglass is just that thin fibers of glass that trap air.