Blown Cellulose Vs Blown Fiberglass In Attic

Blown in cellulose homeowner benefits.

Blown cellulose vs blown fiberglass in 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. As a recycled paper product cellulose is prone to absorb moisture that can cause wood rot and mould. Since cellulose is blown in it fills all the gaps crevices nooks and crannies in your attic unlike batts that can leave gaps. 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.

Blown cellulose is typically the preferred choice of insulation for attics. Cellulose attic insulation read more. Cellulose retains more of its r value through a wider range of temperatures compared to fiberglass. Before choosing blown vs.

Dry blown cellulose will characteristically settle and sag in place reducing its r value. There are three types of blown in insulation. The three most common types of blown in insulation are loose fill fiberglass cellulose and rock wool each with its own pros and cons. Batt insulation take time to read this column.

Air moving through a vented attic deposits dirt and dust into fiberglass batts. Blown in insulation requires a professional. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. Attic insulation is accomplished with either fiberglass blankets batt or blown in insulation.

Wet blown cellulose is also subject to similar contamination too. Batt insulation is available at home centers and lumberyards. 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.

Rather than trying to meticulously lay fiberglass insulation over the attic homeowners and builders can simply blow cellulose insulation throughout the attic. 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. This is called wind washing. Higher r value per inch.

Cellulose has an r value of 3 5 3 7 per inch where fiberglass has around 2 1 2 7 r per inch. Discover the pros and cons of blown in attic insulation and if blown in fiberglass or blown in cellulose is right for you.