Cellulose insulation is made from recycled paper such as used newspapers and boxes. Because cellulose insulation is produced using recycled waste materials, it's a good option for environmentally conscious consumers. Cellulose insulation is considered a loose-fill type of insulation. Loose-fill insulations are produced as—or broken down into—shreds, granules, or nodules. These small particles form fluffy materials that conform to the spaces in which they are installed. Loose-fill insulations are well suited for places where it's difficult to install other types of insulation, such as around obstructions (like plumbing stacks) and in hard-to-reach places. They can be installed in either enclosed cavities such as walls or unenclosed spaces such as attics.
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Molds produce tiny spores to reproduce. Mold spores waft through the indoor and outdoor air continually. When mold spores land on a damp spot indoors, they may begin growing and digesting whatever they are growing on in order to survive. |
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A - Cellulose is (mostly) “green.” It’s made of 80% post-consumer recycled newsprint. The fiber is chemically treated with borate compounds (20% by weight) to resist fire, insects and mold. The Cellulose Insulation Manufacturers Association (CIMA) claims that insulating a 1500 ft2 house with cellulose will recycle as much newspaper as an individual will consume in 40 years. |
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A - Cellulose insulation is sold in bags. To apply it, the insulation is poured from the bag and into a hopper, a machine that breaks it up into small cellulose particles that are then blown through a hose and into cavities. There are two installation methods: |
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