Blown In Fiberglass Vs Cellulose Attic

So it seems to me the real debate. Cellulose produces much less static than fiberglass. While fiberglass insulation is easier to install and more common used about 85 of the time cellulose insulation is often considered more energy efficient.

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Cellulose insulation blown in wall r 3 8 r3 9.

Blown in fiberglass vs cellulose attic.

Cellulose resists blowing when installed fiberglass tends to blow around stick to the attic ceiling and drift. Both fiberglass and cellulose insulation can be installed to completely fill the space inside of wall floor or ceiling cavity. The higher the r value the more efficient it is. Going to insulate your attic everything you need to know about the job and what to pick.

Cellulose is known to create a massive cloud of dust when it is installed meaning breathing apparatus is required if you are considering a large installation. Isn t fiberglass cheaper than cellulose. This concern can actually be avoided in both cases if the insulation is more densely packed in the spaces but fiberglass will require special training and tools to do so and even then it proves more difficult than cellulose. Cellulose can get you to r 40.

With that said most homeowners agree that blown cellulose is slightly more efficient due to the face that it blocks more air than fiberglass. Cellulose is less of a health risk compared to fibreglass. Cellulose is easier to keep out of bird blocks and air conditioner condensate pans. Good insulation lowers energy bills by trapping heat or cold air inside a building.

At 3 5 per inch of material the r value of blown in cellulose is 23 better per inch than fiberglass batts. Fiberglass batts however are less expensive costing on average 0 30 to 0 40 a square foot for 6 inches of insulation. So can fiberglass if you blow a little more of it on top. According to research done at the oak ridge national lab fiberglass loses up to 50 of its r value in very cold conditions.

Properly installed they will both remain in place for the life of the home. 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. You can find high r value insulation produced in both fiberglass and blown cellulose. At this writing our suppliers currently offer cellulose for less than fiberglass.

Its installation costs are higher. Fiberglass manufacturers have developed blown fiberglass insulation they claim won t settle over time. Costs depend on your insulation contractor their suppliers and market conditions. Making cellulose a better choice for homes in northern climates.

More consistent pricing from cellulose manufacturers than fiberglass. Cellulose insulation blown in attic r 3 6 r3 7.

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