Blown Cellulose Vs Fiberglass Insulation Attic

Batt insulation take time to read this column.

Blown cellulose vs fiberglass insulation attic.

Compared to fiberglass cellulose is a superb air blocker. How are they similar and how are they different from blown fiberglass vs. Blown in cellulose homeowner benefits. Cellulose insulation blown in attic r 3 6 r3 7.

Very common very problematic. Before choosing blown vs. Types of fiberglass and cellulose insulation. Dirty fiberglass batts have a significantly reduced r value.

Blown cellulose is typically the preferred choice of insulation for attics. 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. So what are the advantages and disadvantages of each of these insulation materials.

Sometimes loose fill insulation is referred to as blown in insulation because an installer literally blows it into your home with a special machine. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. This is called wind washing. Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass.

Batts or loose fill. Cellulose insulation blown in wall r 3 8 r3 9. Properly installed they will both remain in place for the life of the home. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

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. 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. Blown in insulation requires a professional.

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. Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. Loose fill or blown cellulose insulation is manufactured primarily from recycled newspapers a very benign product so it poses virtually no ongoing health risk. 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 it seems to me the real debate.