Cellulose Vs Fiberglass Blown In Insulation Attic

So it seems to me the real debate.

Cellulose vs fiberglass blown in 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. 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. Energy saver and attic systems we prefer blown in cellulose over blown in and fiberglass batts for several reasons.

Cellulose insulation blown in wall r 3 8 r3 9. Very common very problematic. 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.

Types of fiberglass and cellulose insulation. Blown in cellulose homeowner benefits. So what are the advantages and disadvantages of each of these insulation materials. Batts or loose fill.

Cellulose insulation blown in attic r 3 6 r3 7. In most situations we prefer the air and heat flow resistance of. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation.

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. Properly installed they will both remain in place for the life of the home. Higher r value per inch. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass.

Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass. Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine. 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. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.

The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.