Cellulose Attic Insulation Vs Fiberglass

Cellulose is more difficult to cheat than fiberglass.

Cellulose attic insulation vs fiberglass.

Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to. Air leaks can eventually lead to problems with moisture and condensation. Cellulose has 38 better air infiltration than fiberglass.

A given sample of cellulose insulation will provide better thermal performance than an identically sized sample of fiberglass insulation. When using cellulose blown in dry insulation it requires a machine to achieve its purpose and a training session from wherever you rent the blower from. Both cellulose and fiberglass are two most commonly used insulations. Fiberglass insulation cons air leakage fiberglass doesn t do much at all to slow the flow of air while cellulose has some success.

Not ideal for extreme cold the r value of fiberglass lowers considerably in extremely cold climates making cellulose a better choice. A study by the university of colorado found that cellulose insulation reduced air leakage by 38. This keeps the air from moving within the insulation and from penetrations between the air conditioned space and the attic. Thus creating a more energy efficient home.

Fiberglass fibers may become airborne which can be considered a pollutant. Sources many fiberglass installers fluff the fiber with extra air so you don t get as much insulation as you re supposed to. Per square inch of insulation cellulose has a higher r value than fiberglass. Cellulose insulation like spray foam insulation limits air movement.

Cellulose vs fiberglass insulation. Cellulose forms a dense continuous mat of insulation in your attic. It is made from paper that has a minimum of 85 recycled content such as newspaper. Cellulose insulation is considered a greener material than fiberglass.

Cellulose provides better sound insulation than fiberglass i e homes are less noisy with it. Fiberglass insulation cannot stop air from passing through it meaning that more than 30 of heat or air conditioning can escape. Fibreglass is perhaps the most common product available in the market for insulation outpacing its close competitor cellulose by 50 1. It does not pollute the air during manufacture or use as much energy to produce as fiberglass.

Fiberglass insulation is the easiest insulation product on the market to install and if installed correctly the most effective product on the market for home attic insulation. Fiberglass is a suspected carcinogen.