Blown in cellulose is an environmentally friendly material made from recycled newspaper so it s easier on your skin and lungs.
Best cellulose insulation for attic.
Or 7 inches of cellulose.
Cellulose provides an r value of approximately 3 5 per inch.
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.
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.
It s generally 3 to 4 times what you ll pay for blown cellulose or fiberglass.
I d blow insulation on the attic floor after air sealing of course.
Cellulose blown in ceiling insulation is a good choice for diyers.
Pros and cons of cellulose attic insulation.
You can get to the same place with either material.
Fiberglass batts offer the easiest way to add attic insulation or just about any area of your home.
Fiberglass batt attic insulation pros and cons.
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.
To hit code minimums you ve got to add new insulation on top of the old insulation.
There are other materials and systems that you can use to insulate your attic.
Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.