Cellulose Or Fiberglass Attic Insulation

Cellulose has 38 better air infiltration than fiberglass.

Cellulose or fiberglass attic insulation.

Cellulose is more difficult to cheat than fiberglass. Lighter in weight than cellulose or mineral wool but it settles more than those materials so you ve got to put in a thicker layer to get the protection you need. Pros and cons of loose fill fiberglass attic insulation. 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.

Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Or 7 inches of cellulose. Thus creating a more energy efficient home. If you check with the cellulose insulation manufacturers association they ll assure you that cellulose is definitely your best choice for insulation.

The attic is one of the most essential areas of the home to ensure proper insulation in. 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. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Cellulose insulates better than fiberglass especially in very cold weather.

You can get to the same place with either material. Posted september 19 2019 by lewis insulation filed under attic insulation. Don t let money fly out of your roof. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics.

This keeps the air from moving within the insulation and from penetrations between the air conditioned space and the attic. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. Recycled glass or sand that s melted and spun into fibers. 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.

The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to. Cellulose forms a dense continuous mat of insulation in your attic.

Attic insulation contrast compare. Attic insulation keeps the desirable temperature in and the undesirable temperature out. So what are the advantages and disadvantages of each of these.