Blown Cellulose Vs Fiberglass Insulation Attic

Batt insulation take time to read this column.

Blown cellulose vs fiberglass insulation attic.

There are two ways to get your insulation whether fiberglass or cellulose. Cellulose insulation blown in wall r 3 8 r3 9. Before choosing blown vs. So it seems to me the real debate.

Very common very problematic. This is called wind washing. Air moving through a vented attic deposits dirt and dust into fiberglass batts. Because it is denser than fiberglass cellulose is much more resistant to wind washing.

Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass. Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity. Batt insulation is available at home centers and lumberyards. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

Dirty fiberglass batts have a significantly reduced r value. How are they similar and how are they different from blown fiberglass vs. 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. Batts or loose fill.

Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Properly installed they will both remain in place for the life of the home. Cellulose insulation blown in attic r 3 6 r3 7. Blown in insulation requires a professional.

Unless you opt for spray foam then the insulation choices normally come down to cellulose and fibreglass. The two main least expensive and most commonly used residential insulation materials is 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. Higher r value per inch.

Blown in cellulose homeowner benefits. Compared to fiberglass cellulose is a superb air blocker. 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. So what are the advantages and disadvantages of each of these insulation materials.

Types of fiberglass and cellulose insulation. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch.