Best Cellulose Insulation For Attic

Modern technology of blanket insulation today is considered the best insulation for attic.

Best cellulose insulation for attic.

Rolls and batts are produced of mineral wool and fiberglass. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts. The big disadvantage with spray foam is cost. Cellulose provides an r value of approximately 3 5 per inch.

Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. You can get to the same place with either material. Or 7 inches of cellulose. Pros and cons of attic insulation types.

Loose fill cellulose is relatively inexpensive yet still has an r value of about 3 5 per inch of thickness compared to fiberglass r value between r3 to r4 per inch. I d blow insulation on the attic floor after air sealing of course. 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. To hit code minimums you ve got to add new insulation on top of the old insulation.

It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. Fiberglass batt attic insulation pros and cons. Pros and cons of cellulose attic insulation. There are other materials and systems that you can use to insulate your attic.

Assuming your current attic insulation is made from fiberglass and has a value of r 13 you d have to add roughly 10 inches of additional fiberglass to hit r 38.