Cellulose Vs Fiberglass In Attic

Sources many fiberglass installers fluff the fiber with extra air so you don t get as much insulation as you re supposed to.

Cellulose vs fiberglass in attic.

Compared to fiberglass cellulose is a superb air blocker. It does not pollute the air during manufacture or use as much energy to produce as fiberglass. If you ve got bare uninsulated areas on the floor of your attic getting some kind of insulation in there is a must. More consistent pricing from cellulose manufacturers than fiberglass.

This is called wind washing. Cellulose resists blowing when installed fiberglass tends to blow around stick to the attic ceiling and drift. Cellulose provides better sound insulation than fiberglass i e homes are less noisy with it. Attic blown cellulose is typically the preferred choice of insulation for attics.

Fiberglass fibers may become airborne which can be considered a pollutant. Cellulose is the second most common. Fiberglass is the most common. Fibreglass is perhaps the most common product available in the market for insulation outpacing its close competitor cellulose by 50 1.

But which one should you pick. Cellulose insulation is considered a greener material than fiberglass. Air moving through a vented attic deposits dirt and dust into fiberglass batts. Cellulose is easier to keep out of bird blocks and air conditioner condensate pans.

The manufacture of fiberglass is 80 more energy intensive than cellulose. Any insulation is better than no insulation. Dirty fiberglass batts have a significantly reduced r value. In most houses around atlanta the choice of insulation material comes down to fiberglass vs.

Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Both types of insulation can you know insulate. Because it is denser than fiberglass cellulose is much more resistant to wind washing.