Attic Insulation Blown In Fiberglass Vs Cellulose

Cellulose insulation blown in attic r 3 6 r3 7.

Attic insulation blown in fiberglass vs cellulose.

Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Types of fiberglass and cellulose 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. Blown in cellulose homeowner benefits. Properly installed they will both remain in place for the life of the home. How are they similar and how are they different from blown fiberglass vs.

Very common very problematic. Loose fill or blown cellulose insulation is manufactured primarily from recycled newspapers a very benign product so it poses virtually no ongoing health risk. Cellulose insulation blown in wall r 3 8 r3 9. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation.

Air moving through a vented attic deposits dirt and dust into fiberglass batts. Compared to fiberglass cellulose is a superb air blocker. 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. Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine.

Higher r value per inch. So it seems to me the real debate. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. Blown cellulose is typically the preferred choice of insulation for attics.

There are three types of blown in insulation. Because it is denser than fiberglass cellulose is much more resistant to wind washing. 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. So what are the advantages and disadvantages of each of these insulation materials.

This is called wind washing. There are two ways to get your insulation whether fiberglass or cellulose. Dirty fiberglass batts have a significantly reduced r value. Batts or loose fill.

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.