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Cellulose is 85% recycled paper with a 15% fire retardant added. It provides better thermal and sound performance than other insulation materials. It gets blown in wet so it gets into all the gaps creating an igloo effect.

It's made of cellulose, which is a basic part of plants (think wood pulp). Our cellulose insulation consists of up to 85% post-consumer paper fiber. It also contains additives for fire resistance, and some insulation has been treated with boric acid for protection from pest infestation and moisture.

Cellulose is not unusual in this regard. Like many insulation materials, it provides an R-value of approximately R-3.5 per inch of thickness. But, air leakage through cracks, voids, and gaps is important, responsible for approximately one-third of an average home's heat loss. Cellulose is a superb air-blocker.

It's made of cellulose, which is a basic part of plants (think wood pulp). Our cellulose insulation consists of up to 85% post-consumer paper fiber. It also contains additives for fire resistance, and some insulation has been treated with boric acid for protection from pest infestation and moisture.

GreenFiber natural fiber insulation is mold resistant per ASTM C 1338 and, when properly installed and maintained, will not contribute to mold germination and growth. Boric acid is used as a fire retardant in GreenFiber's natural fiber insulation and is also an EPA registered fungicide.

Cellulose insulation helps lower carbon emissions by recycling that waste paper to prevent the production of greenhouse gases. Not only will choosing to use cellulose insulation reduce the amount of waste paper sitting in landfills, but it also has the ability to lower the carbon footprint of houses.

Cellulose insulation is used in both new and existing homes, as loose-fill in open attic installations and dense packed in building cavities such as walls and cathedral ceilings.

Greenfiber® is a blow-in cellulose insulation that perfectly fills gaps and voids to create a thermal blanket that lowers monthly heating and cooling expenses by up to 25% and reduces sound power by 60%.

Actually, it's made from paper (think wood pulp). Recycled paper (like newspaper) is first shredded and then treated with a unique formula to create our cellulose insulation. There's a lot of paper out there, and we work hard to secure the best sources.