Blown Cellulose Vs Blown Fiberglass In Attic

Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation.

Blown cellulose vs blown fiberglass in 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. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. This is called wind washing. Discover the pros and cons of blown in attic insulation and if blown in fiberglass or blown in cellulose is right for you.

Since cellulose is blown in it fills all the gaps crevices nooks and crannies in your attic unlike batts that can leave gaps. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. Compared to fiberglass cellulose is a superb air blocker. Dry blown cellulose will characteristically settle and sag in place reducing its r value.

Assuming your current attic insulation is made from fiberglass and has a value of r 13 you d have to add roughly 10 inches of additional fiberglass to hit r 38. Blown in cellulose homeowner benefits. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation. Loose fill or blown cellulose insulation is manufactured primarily from recycled newspapers a very benign product so it poses virtually no ongoing health risk.

Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Instead of spending your time and money on something fun and carefree are you are finding yourself having to step up adult and take care of the house you call home or rental or flip. Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass. Before choosing blown vs.

Higher r value per inch. Batt insulation take time to read this column. Cellulose attic insulation read more. You can get to the same place with either material.

Air moving through a vented attic deposits dirt and dust into fiberglass batts. Blown cellulose is typically the preferred choice of insulation for attics. 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.

There are three types of blown in insulation. Or 7 inches of cellulose.