Attic Insulation Blown In Fiberglass Vs Cellulose

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

Attic insulation blown in fiberglass vs cellulose.

Compared to fiberglass cellulose is a superb air blocker. So it seems to me the real debate. Cellulose insulation blown in attic r 3 6 r3 7. 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. So what are the advantages and disadvantages of each of these insulation materials. Blown cellulose is typically the preferred choice of insulation for attics. Cellulose insulation blown in wall r 3 8 r3 9.

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

Higher r value per inch. Dirty fiberglass batts have a significantly reduced r value. 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. This is called wind washing.

Air moving through a vented attic deposits dirt and dust into fiberglass batts. Properly installed they will both remain in place for the life of the home. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Blown in insulation sometimes referred to as loose fill insulation is insulation literally blown in with a blowing machine.

Blown in cellulose homeowner benefits. Batts or loose fill. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass. Very common very problematic.

How are they similar and how are they different from blown fiberglass vs. Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. 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.

Types of fiberglass and cellulose insulation.