Best Type Of Insulation For Attic

Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls.

Best type of insulation for attic.

Modern technology of blanket insulation today is considered the best insulation for attic. Installing this type of insulation is an inexpensive and diy friendly project since the materials are designed to fit into the standard width between wall studs attic rafters and floor joists. The best insulation for an. Insulation types include loose fill batts rolls foam board spray board and vapor barriers.

Spray foam attic insulation. Rolls and batts are produced of mineral wool and fiberglass. The type of insulation you need depends on which type is currently installed and the required r value. Once you ve decided which type is best for you examine the material options and prices to home in on the right product.

The big disadvantage with spray foam is cost. You also can find batts and rolls made from mineral rock and slag wool plastic fibers and natural fibers such as cotton and sheep s wool. Loose fill fiberglass costs around 30 cents per cubic foot and it has an r value of 2 2 2 7 per inch. Among commonly used types of insulation there are mineral wool or fiberglass rolls and batts rigid fiberglass board loose fill materials cellulose mineral wool etc.

Both can be added to uninsulated attics or layered over existing material. How much insulation your attic requires its accessibility and its structural components drive the type of insulation you need. It consists of flexible fibers most commonly fiberglass. Spray foam offers the best attic insulation performance available.

Choose from two types. In particularly cold climates you might go up to r 60. Closed cell and open cell aka 2 pound and pound respectively. There are other materials and systems that you can use to insulate your attic.

In general an attic s r value should be between r 30 and r 49. Loose fill insulation is available in either fiberglass or cellulose. Loose fill or batt the common term for blanket insulation. The best type of insulation for attics.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. The most common insulation materials are fiberglass cellulose and foam. They sport insulation values of approximately r 6 5 and r 3 6 per inch respectively. For diy attic insulation you ve got two choices.