How Much Cellulose In Attic

The higher the r value the more you ll pay for each project.

How much cellulose in attic.

Because the space inside a wall is filled almost completely with insulation the r values can be lower than in attics which. According to the u s. The cellulose insulation cost per bag is typically around 30 to 40. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself.

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. Department of energy it s recommended that attics have an r 38 to r 49 or about 12 to 15 of fiberglass or cellulose insulation. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. This could leave gaps in a wall as the insulation compacts vertically or it could leave space between a floor and the insulation beneath it.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. 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. If you think you re among the 90 of us homes that are under insulated 1 performing a simple insulation inspection will help you determine your insulation needs. In temperate coastal areas such as zone 3 attic insulation of at least r30 up to a maximum of r60 is recommended.

Loose fill cellulose is relatively inexpensive yet still has an r value of about 3 5 per inch of thickness compared to fiberglass r value between r3 to r4 per inch. How much does attic insulation cost. 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. It is made with recycled materials like newspaper and cardboard.

Blowing attic insulation isn t hard but it s dusty sweaty work. Cellulose insulation can settle by as much as 20 percent depending on how it is installed. Fiberglass and cellulose insulation have r values of 2 9 to 3 8 per inch while sprayed foam insulation can go as high as 8 0 per inch. The average cost to add cellulose blown insulation in your attic and achieve an r50 value is about 0 40 cents sqft using 2 bags for 10 of insulation installed yourself.

You can do it yourself for about 500. Having the correct amount of attic insulation can help you maintain a comfortable temperature throughout your home and help save money on your energy bills plus prevent major issues like ice dams in the winter. For loose fill cellulose this translates to a total depth ranging from 8 inches.