Attic Cellulose Insulation

Written by Courtney Salinas
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Adding insulation to an existing home can be a tricky proposition. Adding insulation inside the home's walls can be quite expensive and usually requires a great deal of work. An easier way to add insulation to an existing home is to add a few inches of insulation to the attic. Most attics already contain empty space, are much larger than the spaces between inner and outer walls, and are therefore much easier to work with.

When adding insulation to an attic, one must consider the type of insulation to add. Cellulose is rapidly gaining popularity as an alternative to traditional fiber and fiberglass insulation methods. Cellulose is environmentally friendly, free of negative health factors, slows the spread of fire, adds an excellent sound-proofing barrier, and is resistant to mold and pests.

Better Insulation

Cellulose has a much better R-value than other types of insulation. An R-value is a measurement of how much heat insulation allows to pass through its insulating barrier. This fact, coupled with the fact that cellulose conforms to cracks and halls in almost liquid-like capacity, makes cellulose a much more cost-effective insulation method than most.


Cellulose adds to the safety of a home due to its fire-resistant nature. Cellulose is treated with fire-resistant products. This treatment, coupled with its incredibly dense structure, drastically slows the spread of fire through a home. Cellulose only smolders. It does not catch on fire, even when placed in direct contact with an open flame. Compare this with the extreme flammability of fiberglass, and you will surely agree that cellulose is a much safer method of insulating one's home.

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