Diy Blown In Attic Insulation

The attic is by far the most important space to insulate in the house.

Diy blown in attic insulation.

The pros charge 1 500 to 2 000 to do a 1 200 sq ft. You can do it yourself for about 500. If you need to add insulation in your attic save big by blowing in cellulose insulation yourself. Blown in insulation overview.

How much does attic insulation cost. For diy attic insulation you ve got two choices. Both can be added to uninsulated attics or layered over existing material. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

The type of material you use is up to you. 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. Loose fill blown in insulation is best for tight spaces or if your attic already has a layer of insulation that just needs to be topped off. Blown in fiberglass blown in fiberglass insulation is found in about 75 of the houses i see.

The blown in fiberglass works much better than the fiberglass batts as you don t have gaps in the coverage. Ten inches of blown insulation provides an insulating value of approximately r 30 1 inch of fiberglass provides about r 2 7 while 1 inch of cellulose is approximately r 3. Blowing attic insulation isn t hard but it s dusty sweaty work. This is small pieces of fiberglass that come in a bag and are installed with blower machine.

Loose fill or batt the common term for blanket insulation. Each bag of fiberglass insulation will cover approximately 65 square feet of attic space to a depth of 10 inches cellulose insulation covers half as much.