Per square inch of insulation cellulose has a higher r value than fiberglass.
Cellulose insulation in attic vs fiberglass.
Cellulose insulation is considered a greener material than fiberglass.
Fiberglass fibers may become airborne which can be considered a pollutant.
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.
Attic blown cellulose is typically the preferred choice of insulation for attics.
A given sample of cellulose insulation will provide better thermal performance than an identically sized sample of fiberglass insulation.