Blown Cellulose Insulation Vs Blown Fiberglass Insulation Attic

Loose fill or blown cellulose insulation is manufactured primarily from recycled newspapers a very benign product so it poses virtually no ongoing health risk.

Blown cellulose insulation vs blown fiberglass insulation attic. Very common very problematic. There are two ways to get your insulation whether fiberglass or cellulose. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Blown cellulose is typically the preferred choice of insulation for attics.

Types of fiberglass and cellulose insulation. 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. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Fiberglass insulation blown in attic r2 2 r4 3.

Both cellulose and fiberglass insulation provide about the same level of insulating power or r value per inch with slightly different results based on the installation procedure. 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 has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. How are they similar and how are they different from blown fiberglass vs.

Fiberglass insulation blown in wall r3 7 r4 3. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. 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.

Energy saver and attic systems we prefer blown in cellulose over blown in and fiberglass batts for several reasons. 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. Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine. In most situations we prefer the air and heat flow resistance of.

Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass. Fiberglass batt or roll insulation r3 2. Higher r value per inch.