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Established in 1949, Nu-Wool Co., Inc. manufactures environmentally friendly cellulose insulation materials. Nu-Wool Premium Cellulose Insulation is a superior product designed for use in walls, attics and floors of new and existing residential and commercial structures. Made from recycled paper, Nu-Wool Premium Cellulose Insulation has superior thermal and air-infiltration properties, creates quiet and draft-free buildings, and saves up to 40%* on energy bills. The performance of Nu- Wool Premium Cellulose Insulation is backed by our industry-leading 3-year Energy Guarantee. Driven by our commitment to manufacturing quality products, and providing unparalleled technical support and customer service, Nu-Wool Co., Inc. is the longest running cellulose insulation manufacturer in the world. When it comes to choosing insulation, Nu-Wool Premium Cellulose Insulation is not only the GREEN choice, but also the superior choice.