Blown Cellulose Vs Blown Fiberglass In Attic

Blown cellulose is typically the preferred choice of insulation for attics.

Blown cellulose vs blown fiberglass in attic.

Higher r value per inch. Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass. Cellulose attic insulation read more. Dry blown cellulose will characteristically settle and sag in place reducing its r value.

Since cellulose is blown in it fills all the gaps crevices nooks and crannies in your attic unlike batts that can leave gaps. 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. 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 insulation requires a professional.

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. 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. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Compared to fiberglass cellulose is a superb air blocker.

Discover the pros and cons of blown in attic insulation and if blown in fiberglass or blown in cellulose is right for you. There are three types of blown in insulation. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. Loose fill or blown cellulose insulation is manufactured primarily from recycled newspapers a very benign product so it poses virtually no ongoing health risk.

Or 7 inches of cellulose. Air moving through a vented attic deposits dirt and dust into fiberglass batts. Batt insulation take time to read this column. You can get to the same place with either material.

Before choosing blown vs. This is called wind washing. Blown in cellulose homeowner benefits. 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.

Wet blown cellulose is also subject to similar contamination too. As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould.