Cellulose Or Fiberglass In Attic

Cellulose produces much less static than fiberglass.

Cellulose or fiberglass in attic.

Thus creating a more energy efficient home. Oct 1 2018 cellulose can slow down air flow particularly in walls. Cellulose is a loose fill product composed of small particles of pulverized paper and cloth treated with a fire retardant. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.

More consistent pricing from cellulose manufacturers than fiberglass. It does not pollute the air during manufacture or use as much energy to produce as fiberglass. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. The two insulations have successfully improved energy efficiency in homes over the years.

With varying locations and building code requirements fiberglass and cellulose insulation can be beneficial for homeowners builders and remodelers. Air moving through a vented attic deposits dirt and dust into fiberglass batts. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to. As the temperature difference between the living space and attic increases the r value of blown fiberglass diminishes.

This is called wind washing. Cellulose insulation is considered a greener material than fiberglass. Local source provides consistent deliveries. 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.

Cellulose resists blowing when installed fiberglass tends to blow around stick to the attic ceiling and drift. When used in an attic space however both types of insulation are ineffective at air flow fiberglass batts can be found jammed into floor attic maine cellulose is a great product because it goes everywhere you want the insulation to be. Because it is denser than fiberglass cellulose is much more resistant to wind washing. You can get to the same place with either material.

It is made from paper that has a minimum of 85 recycled content such as newspaper. Loose fill blown fiberglass insulation has another slight problem. Fiberglass fibers may become airborne which can be considered a pollutant. Once installed in the attic cellulose loose fill insulation looks like mounds of freshly fallen snow covering the attic floor.

The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Or 7 inches of cellulose. Cellulose vs fiberglass insulation. Dirty fiberglass batts have a significantly reduced r value.

Compared to fiberglass cellulose is a superb air blocker.