Cellulose Attic Insulation Vs Fiberglass

It is able to improve energy efficiency home comfort and lower utility costs.

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. You can get to the same place with either material. A fight for r value. This problem has been successfully solved by installing fiberglass batt insulation over the top of loose fill or blown insulation.

Thus creating a more energy efficient home. Cellulose wins last update. Fiberglass insulation vs cellulose insulation. 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.

Or 7 inches of cellulose. Picture the fluffy pink stuff. Although that represents just one brand. The trapped air molecules in the insulation are pulled up through the insulation into the colder attic air.

The bottom line is that cellulose can burn but fiberglass will not support combustion. Most people are more familiar with fiberglass than cellulose despite their similarities. Blown in insulation is a versatile product that can be used throughout a home. 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. If fiberglass batts become compressed losing some of their air pockets then this insulation may be more affected by air flow than cellulose which performs well regardless of density. 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 insulation also comes in colors like white and yellow.

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 insulates better than fiberglass especially in very cold weather. Good insulation lowers energy bills by trapping heat or cold air inside a building. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.

Cellulose insulation vs fiberglass insulation comparison. So what are the advantages and disadvantages of each of these. This allows the insulation to get into the small pockets and crevices that fiberglass wouldn t be able to.