Cellulose Vs Fiberglass Blown In Insulation Attic

So what are the advantages and disadvantages of each of these insulation materials.

Cellulose vs fiberglass blown in insulation attic.

Types of fiberglass and cellulose insulation. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. How are they similar and how are they different from blown fiberglass vs.

There are two ways to get your insulation whether fiberglass or cellulose. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r 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. Cellulose insulation blown in wall r 3 8 r3 9.

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. 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. Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity.

Energy saver and attic systems we prefer blown in cellulose over blown in and fiberglass batts for several reasons. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Cellulose insulation blown in attic r 3 6 r3 7. Blown cellulose is typically the preferred choice of insulation for attics.

Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine. Batts or loose fill. 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. 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 in cellulose homeowner benefits. Very common very problematic. Higher r value per inch. Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass.

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.