Cellulose insulates better than fiberglass especially in very cold weather.
Cellulose attic insulation vs fiberglass.
So what are the advantages and disadvantages of each of these.
Cellulose insulation vs fiberglass insulation comparison.
Cellulose wins last update.
Fiberglass insulation also comes in colors like white and yellow.
Fiberglass insulation vs cellulose insulation.
The trapped air molecules in the insulation are pulled up through the insulation into the colder attic air.
A fight for r value.
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.
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.
When used in an attic space however both types of insulation are ineffective at air flow across the attic floor such as a strong gust of wind.
Fiberglass is the most popular type of insulation partially because it has been around so long.
You can get to the same place with either material.
Most people are more familiar with fiberglass than cellulose despite their similarities.
Or 7 inches of cellulose.
Good insulation lowers energy bills by trapping heat or cold air inside a building.
Thus creating a more energy efficient home.
The bottom line is that cellulose can burn but fiberglass will not support combustion.
Although that represents just one brand.
This problem has been successfully solved by installing fiberglass batt insulation over the top of loose fill or blown insulation.
This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to.
It is able to improve energy efficiency home comfort and lower utility costs.
Blown in insulation is a versatile product that can be used throughout a home.
Picture the fluffy pink stuff.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
While fiberglass insulation is easier to install and more common used about 85 of the time cellulose insulation is often considered more energy efficient.
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.
Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.