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.
Fiberglass insulation vs cellulose insulation for attic.
Thus creating a more energy efficient home.
Cellulose insulates better than fiberglass especially in very cold weather.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
Fiberglass batt or roll insulation r3 2.
Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall.
So what are the advantages and disadvantages of each of these.
You can get to the same place with either material.
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.
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.
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.
This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to.
Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.
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.
Or 7 inches of cellulose.
Cellulose wins last update.