A given sample of cellulose insulation will provide better thermal performance than an identically sized sample of fiberglass insulation.
Cellulose insulation in attic vs fiberglass.
Fiberglass fibers may become airborne which can be considered a pollutant.
It is made from paper that has a minimum of 85 recycled content such as newspaper.
Per square inch of insulation cellulose has a higher r value than fiberglass.
Both fibreglass and cellulose are the two most inexpensive insulation products that you could use.
Fibreglass is perhaps the most common product available in the market for insulation outpacing its close competitor cellulose by 50 1.
Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.