Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation.
Cellulose vs fiberglass in attic.
Cellulose wins last update.
Or 7 inches of cellulose.
Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity.
Properly installed they will both remain in place for the life of the home.
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.
Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass.
You can get to the same place with either material.
This is called wind washing.
Since cellulose is blown in it fills all the gaps crevices nooks and crannies in your attic unlike batts that can leave gaps.
Higher r value per inch.
Air moving through a vented attic deposits dirt and dust into fiberglass batts.
So what are the advantages and disadvantages of each of these.
Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch.
Blown in cellulose homeowner benefits.
Fiberglass vs cellulose the pros and cons by comparison posted on mar 23 2017 there are many different types of insulation to use in your home s walls attic and basement but the two most types of insulation are fiberglass and cellulose.
Cellulose insulation blown in wall r 3 8 r3 9.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
Both cellulose and fiberglass insulation have their pros and cons but i feel that cellulose is the better bet overall.
Cellulose insulates better than fiberglass especially in very cold weather.
Compared to fiberglass cellulose is a superb air blocker.
Blown cellulose is typically the preferred choice of insulation for attics.
Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.
So it seems to me the real debate.