GreenFiber is the only national manufacturer of cellulose insulation.  With eight manufacturing facilities across the country, GreenFiber uses recycled materials from local sources, low-energy manufacturing, and short-haul transportation to offer an environmentally responsible choice for homeowners. GreenFiber Natural Fiber Insulation consists of certified 85% recycled paper fiber specially treated for flame resistance. GreenFiber is the only cellulose 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.  This cellulose insulation provides outstanding resistance to heat flow for thermal applications, noise suppression for acoustical treatments, and added fire resistance in walls, attics, ceilings and floors of residential and light commercial construction.