Best Type Of Insulation For Attic

In general an attic s r value should be between r 30 and r 49.

Best type of insulation for attic.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Blanket insulation the most common and widely available type of insulation comes in the form of batts or rolls. How much insulation your attic requires its accessibility and its structural components drive the type of insulation you need. 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.

Modern technology of blanket insulation today is considered the best insulation for attic. Insulation decreases the amount of heat entering from outside when it s hot and traps warmth inside when it s cold. Your home s r value score will guide you toward the type of insulation you need. Loose fill insulation is available in either fiberglass or cellulose.

But if the job is more complicated than an open attic it s best to hire a pro. Loose fill or batt the common term for blanket insulation. Both can be added to uninsulated attics or layered over existing material. In particularly cold climates you might go up to r 60.

There are other materials and systems that you can use to insulate your attic. R values vary based on the type thickness and density of the insulation material. The best type of insulation for attics. I d blow insulation on the attic floor after air sealing of course.

Rolls and batts are produced of mineral wool and fiberglass. The big disadvantage with spray foam is cost. Loose fill fiberglass costs around 30 cents per cubic foot and it has an r value of 2 2 2 7 per inch. 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.

R value measures how resistant types of insulation are to heat flow. Once you ve decided which type is best for you examine the material options and prices to home in on the right product. 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. Insulation is rated by its r value.