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.

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. 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. Thus creating a more energy efficient home. Cellulose forms a dense continuous mat of insulation in your attic.

Recycled glass or sand that s melted and spun into fibers. Cellulose is more difficult to cheat than fiberglass. Cellulose wins last update. 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.

Cellulose has 38 better air infiltration than fiberglass. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Attic insulation contrast compare.

The attic is one of the most essential areas of the home to ensure proper insulation in. Loose fill cellulose insulation can settle around and conform to most of the obstructions found in walls and attics. You can get to the same place with either material. Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall.

Attic insulation keeps the desirable temperature in and the undesirable temperature out. When walls are already finished injecting loose fill cellulose insulation is one of the few ways of adding. Loose fill fiberglass seems to dominate attic insulation in new construction homes and has an r value of approximately 2 5 per inch. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to.

So what are the advantages and disadvantages of each of these. Pros and cons of loose fill fiberglass attic insulation. 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.

Posted september 19 2019 by lewis insulation filed under 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. Don t let money fly out of your roof.