Blown Cellulose Vs Fiberglass Insulation Attic

Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass.

Blown cellulose vs fiberglass insulation attic.

Very common very problematic. Blown in insulation requires a professional. This is called wind washing. Air moving through a vented attic deposits dirt and dust into fiberglass batts.

Dirty fiberglass batts have a significantly reduced r value. Because it is denser than fiberglass cellulose is much more resistant to wind washing. Batts or loose fill. There are two ways to get your insulation whether fiberglass or cellulose.

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. Properly installed they will both remain in place for the life of the home. The two main least expensive and most commonly used residential insulation materials is cellulose and fibreglass.

Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Batt insulation is available at home centers and lumberyards. Batt insulation take time to read this column. So it seems to me the real debate.

Cellulose insulation blown in wall r 3 8 r3 9. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic.

Blown cellulose is typically the preferred choice of insulation for attics. Cellulose insulation blown in attic r 3 6 r3 7. 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. Higher r value per inch.

Types of fiberglass and cellulose insulation. Blown in cellulose homeowner benefits. Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity. Compared to fiberglass cellulose is a superb air blocker.

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