Cellulose Vs Fiberglass Blown In Insulation Attic

Batts or loose fill.

Cellulose vs fiberglass blown in insulation attic.

The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. So it seems to me the real debate. Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine. How are they similar and how are they different from blown fiberglass vs.

Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Types of fiberglass and cellulose insulation. 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. Properly installed they will both remain in place for the life of the home.

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. Energy saver and attic systems we prefer blown in cellulose over blown in and fiberglass batts for several reasons. Very common very problematic. Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass.

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. Cellulose insulation blown in attic r 3 6 r3 7.

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 in cellulose homeowner benefits. Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity.

Blown cellulose is typically the preferred choice of insulation for attics. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.

In most situations we prefer the air and heat flow resistance of.