Best Cellulose Insulation For 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.

Best cellulose insulation for attic.

The big disadvantage with spray foam is cost. To hit code minimums you ve got to add new insulation on top of the old insulation. Pros and cons of attic insulation types. Blown in cellulose has a higher r rating and is less expensive than either blown insulation like fiberglass attic insulation or fiberglass batts.

Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs. There are other materials and systems that you can use to insulate your attic. Cellulose provides an r value of approximately 3 5 per inch. I d blow insulation on the attic floor after air sealing of course.

Rolls and batts are produced of mineral wool and fiberglass. Or 7 inches of cellulose. Cellulose blown in ceiling insulation is a good choice for diyers. You can get to the same place with either material.

Fiberglass batt attic insulation pros and cons. Fiberglass batts offer the easiest way to add attic insulation or just about any area of your home. It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass. 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.

Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.