Blown Cellulose Vs Fiberglass Insulation Attic

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.

Blown cellulose vs fiberglass insulation attic.

Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. 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. Batts or loose fill.

Blown cellulose is typically the preferred choice of insulation for attics. Blown in cellulose homeowner benefits. Loose fill or blown cellulose insulation is manufactured primarily from recycled newspapers a very benign product so it poses virtually no ongoing health risk. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.

Batt insulation take time to read this column. Types of fiberglass and cellulose insulation. 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. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. 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. Batt insulation is available at home centers and lumberyards.

Dirty fiberglass batts have a significantly reduced r value. Before choosing blown vs. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity.

Cellulose insulation blown in wall r 3 8 r3 9. Compared to fiberglass cellulose is a superb air blocker. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Because it is denser than fiberglass cellulose is much more resistant to wind washing.

Blown in insulation requires a professional. Higher r value per inch. There are two ways to get your insulation whether fiberglass or cellulose. Cellulose insulation blown in attic r 3 6 r3 7.

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.