Best Type Of Insulation For Attic

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.

Best type of insulation for attic.

Both can be added to uninsulated attics or layered over existing material. In general an attic s r value should be between r 30 and r 49. 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. Loose fill fiberglass costs around 30 cents per cubic foot and it has an r value of 2 2 2 7 per inch.

Loose fill or batt the common term for blanket insulation. In particularly cold climates you might go up to r 60. Modern technology of blanket insulation today is considered the best insulation for attic. R values vary based on the type thickness and density of the insulation material.

For diy attic insulation you ve got two choices. Insulation is rated by its r value. The best type of insulation for attics. There are other materials and systems that you can use to insulate your attic.

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

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. Your home s r value score will guide you toward the type of insulation you need. I d blow insulation on the attic floor after air sealing of course.

But if the job is more complicated than an open attic it s best to hire a pro. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. Rolls and batts are produced of mineral wool and fiberglass. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.