Blown Cellulose Vs Blown Fiberglass In Attic

Before choosing blown vs.

Blown cellulose vs blown fiberglass in attic.

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. Wet blown cellulose is also subject to similar contamination too. Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

Higher r value per inch. Batt insulation is available at home centers and lumberyards. 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. Batt insulation take time to read this column.

The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould. Blown in cellulose homeowner benefits. 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 cellulose is typically the preferred choice of insulation for attics. Discover the pros and cons of blown in attic insulation and if blown in fiberglass or blown in cellulose is right for you. 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.

Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass. Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. Cellulose attic insulation read more. You can get to the same place with either material.

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. Air moving through a vented attic deposits dirt and dust into fiberglass batts. 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.

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