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