Fiberglass Insulation Vs Cellulose Insulation For Attic

Cellulose has 38 better air infiltration than fiberglass.

Fiberglass insulation vs cellulose insulation for attic.

Don t let money fly out of your roof. Cellulose is more difficult to cheat than fiberglass. Dirty fiberglass batts have a significantly reduced r value. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.

Air moving through a vented attic deposits dirt and dust into fiberglass batts. 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. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Cellulose insulates better than fiberglass especially in very cold weather.

Attic insulation keeps the desirable temperature in and the undesirable temperature out. Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall. Or 7 inches of cellulose. This keeps the air from moving within the insulation and from penetrations between the air conditioned space and the attic.

Both cellulose and fiberglass insulation provide about the same level of insulating power or r value per inch with slightly different results based on the installation procedure. Fiberglass insulation blown in attic r2 2 r4 3. 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. Thus creating a more energy efficient home.

Fiberglass insulation and cellulose insulation offer similar r values. Cellulose wins last update. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of 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. Cellulose forms a dense continuous mat of insulation in your attic. The attic is one of the most essential areas of the home to ensure proper insulation in. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to.

Fiberglass batt or roll insulation r3 2. When comparing blown in insulation both fiberglass and cellulose are nearly identical in price both costing around 0 70 to 0 80 per square foot for 6 inches of insulation. So what are the advantages and disadvantages of each of these. Because it is denser than fiberglass cellulose is much more resistant to wind washing.

Cellulose is green cellulose is made of 80 post consumer recycled newsprint. Attic insulation contrast compare.