Professional Cellulose for Cellulose Professionals
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National Fiber's Cel-Pak Cellulose Insulation is a smart choice to insulate your home.

We make Cel-Pak Cellulose Insulation using over-issue newsprint (daily newspapers that went unpurchased), paper drive paper, and other high-quality recycled paper, all refined to cellulose fiber. Unlike other manufacturers, we hand sort our paper to remove glossy inserts like ads and coupons, twine, metal - anything that isn't good, clean, uncoated paper stock, making Cel-Pak the cleanest cellulose insulation you can buy.

Along the way, a natural mineral borate (never ammonium sulfate) is added to the cellulose fiber, which provides our Class A fire rating and resistance to mold and pests.

Cel-Pak is the right choice for homes, commercial structures and municipal buildings

Offering proven energy savings, an 83% recycled content and low embodied energy (the amount of energy it takes to manufacture), National Fiber's Cel-Pak is a great choice for you, your family, and the environment. 1Savings vary. Find out why in the seller's fact sheet on R-values. Higher R-values mean greater insulating power.
2 NRDC Report: Keeping Warm and Staying Healthy: A Comparative look at Fiberglass and Cellulose Insulation - Principal Author and Researcher: Anjanette DeCarlo; Project Design and Direction: Allen Hershkowitz, Ph.D.

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Want to know more about Cellulose Insulation?

When it comes to insulating your home, we wrote the book! If you'd like to learn more about how your house works, how insulation works, and why cellulose insulation is a great choice for your home, just complete the form below and we'll e-mail you a link for a free download.

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