Blown Cellulose Vs Fiberglass Insulation Attic

Higher r value per inch.

Blown cellulose vs fiberglass insulation attic. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Blown in cellulose homeowner benefits. Compared to fiberglass cellulose is a superb air blocker. Blown cellulose is typically the preferred choice of insulation for attics.

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. Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. This is called wind washing. Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity.

Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. Dirty fiberglass batts have a significantly reduced r value. 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.

Properly installed they will both remain in place for the life of the home. 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. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

Before choosing blown vs. Batt insulation is available at home centers and lumberyards. Batt insulation take time to read this column. Batts or loose fill.

So it seems to me the real debate. Because it is denser than fiberglass cellulose is much more resistant to wind washing. Types of fiberglass and cellulose insulation. So what are the advantages and disadvantages of each of these insulation materials.

Air moving through a vented attic deposits dirt and dust into fiberglass batts. Very common very problematic. Blown in insulation requires a professional. There are two ways to get your insulation whether fiberglass or 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. Cellulose insulation blown in attic r 3 6 r3 7.