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 vs fiberglass blown in insulation attic.
Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.
So what are the advantages and disadvantages of each of these insulation materials.
Batts or loose fill.
Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass.
Types of fiberglass and cellulose insulation.
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.
Cellulose insulation blown in attic r 3 6 r3 7.
Higher r value per inch.
The material can be either fiberglass or cellulose and consists of fiber foam or other materials in small particles and can even feel like down.
Very common very problematic.
Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation.
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.
Blown cellulose is typically the preferred choice of insulation for attics.
There are two ways to get your insulation whether fiberglass or cellulose.
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.
So it seems to me the real debate.
Blown in cellulose homeowner benefits.
How are they similar and how are they different from blown fiberglass vs.
Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine.
Properly installed they will both remain in place for the life of the home.
Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine.
The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.
Energy saver and attic systems we prefer blown in cellulose over blown in and fiberglass batts for several reasons.
Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch.