Established in 2000 and headquartered in Charlotte, N.C., GreenFiber is the largest manufacturer of natural fiber insulation, fire and sound products and the only natural fiber manufacturer to receive Scientific Certification Systems (SCS) certification for their natural fiber insulation product manufactured from 85 percent recycled content – 55 percent post-consumer and 30 percent pre-consumer, certificate number SCS-MC-02055. With manufacturing plants located throughout the United States that use local distribution models and require less transportation, GreenFiber products are sold to building supply retailers in the U.S. and Canada. For more information on GreenFiber, call customer service at 800-228-0024 or visit