Cellulose Or Fiberglass Attic Insulation

This keeps the air from moving within the insulation and from penetrations between the air conditioned space and the attic.

Cellulose or fiberglass attic insulation.

You can get to the same place with either material. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. So what are the advantages and disadvantages of each of these. Posted september 19 2019 by lewis insulation filed under attic insulation.

Or 7 inches of cellulose. 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. Don t let money fly out of your roof. Cellulose wins last update.

If fiberglass batts become compressed losing some of their air pockets then this insulation may be more affected by air flow than cellulose which performs well regardless of density. Cellulose has 38 better air infiltration than fiberglass. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to. Thus creating a more energy efficient home.

Pros and cons of loose fill fiberglass attic insulation. Attic insulation contrast compare. 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. Attic insulation keeps the desirable temperature in and the undesirable temperature out.

If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation. Cellulose insulates better than fiberglass especially in very cold weather. Cellulose is more difficult to cheat than fiberglass. Cellulose forms a dense continuous mat of insulation in your attic.

When used in an attic space however both types of insulation are ineffective at air flow across the attic floor such as a strong gust of wind. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.

Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. The attic is one of the most essential areas of the home to ensure proper insulation in. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding.