Best Types Of Insulation For Attic

For diy attic insulation you ve got two choices.

Best types of insulation for attic.

More options exist but these four materials make up the vast majority of installations in minnesota attics where i operate. It s made from fine glass fibers and is most often used in batts rolls and loose fill insulation. Both can be added to uninsulated attics or layered over existing material. There are other materials and systems that you can use to insulate your attic.

Fiberglass is the most common insulation material. As you can see from the image above there are some differences in the benefits these materials have to offer. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Rolls and batts are produced of mineral wool and fiberglass.

Loose fill or batt the common term for blanket insulation. The three most common types of batts and blankets are fiberglass rockwool and cotton. The most common types of attic insulation are cellulose fiberglass and spray foam. It s available in fiberglass mineral wool plastic fibers and natural fibers.

Fiberglass is a skin and lung irritant so always wear protective eyewear gloves masks and clothing when working with fiberglass insulation. Blanket insulation is available as batts or rolls and is the easiest diy insulation material. First let s discuss the most common types of insulation available for attics. I d blow insulation on the attic floor after air sealing of course.

Once you ve decided which type is best for you examine the material options and prices to home in on the right product. Fiberglass batts cellulose loose fill fiberglass and spray foam. This type of insulation. Modern technology of blanket insulation today is considered the best insulation for attic.

Fiberglass batts have an r value of 3 4 per inch and they are widely available for about 30 cents per square foot. 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. Unfortunately fiberglass can be very irritating to the skin and lungs because it is made of fine glass fibers. The big disadvantage with spray foam is cost.