Fiberglass Insulation Vs Cellulose Insulation For Attic

This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to.

Fiberglass insulation vs cellulose insulation for attic.

Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Don t let money fly out of your roof. 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 is green cellulose is made of 80 post consumer recycled newsprint.

Attic insulation keeps the desirable temperature in and the undesirable temperature out. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Fiberglass batt or roll insulation r3 2. Cellulose is more difficult to cheat than fiberglass.

So what are the advantages and disadvantages of each of these. Or 7 inches of cellulose. 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. Dirty fiberglass batts have a significantly reduced r value.

Cellulose insulates better than fiberglass especially in very cold weather. The attic is one of the most essential areas of the home to ensure proper insulation in. Air moving through a vented attic deposits dirt and dust into fiberglass batts. 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 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. Attic insulation contrast compare. 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.

This is called wind washing. Cellulose wins last update. Cellulose has 38 better air infiltration than fiberglass. Thus creating a more energy efficient home.

The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Fiberglass insulation blown in attic r2 2 r4 3. Because it is denser than fiberglass cellulose is much more resistant to wind washing. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.

Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall. Cellulose forms a dense continuous mat of insulation in your attic.