Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine.
Cellulose vs fiberglass blown in insulation attic.
Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine.
Very common very problematic.
Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity.
In most situations we prefer the air and heat flow resistance of.
Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.
Higher r value per inch.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
Blown fiberglass on the other hand is made up of very fine strands of glass and these tiny fibers are a carcinogen that can easily be inhaled into your lungs.
R value measures the resistance of heat flow through a material the higher the r value the better the material is at resisting heat flow.
Blown cellulose is typically the preferred choice of insulation for attics.
Energy saver and attic systems we prefer blown in cellulose over blown in and fiberglass batts for several reasons.
Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation.
How are they similar and how are they different from blown fiberglass vs.
The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.
Types of fiberglass and cellulose insulation.
So it seems to me the real debate.
Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass.
Cellulose insulation blown in wall r 3 8 r3 9.
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.
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.
Loose fill or blown cellulose insulation is manufactured primarily from recycled newspapers a very benign product so it poses virtually no ongoing health risk.
So what are the advantages and disadvantages of each of these insulation materials.
There are two ways to get your insulation whether fiberglass or cellulose.
Properly installed they will both remain in place for the life of the home.