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Premium Cellulose Insulation for Quiet, Efficient Homes
Greenfiber is a leader in revolutionizing residential comfort through innovative cellulose insulation solutions. With decades of dedicated research and development, we create products that transform homes into sanctuaries by reducing sound power by 60%, enhancing energy efficiency, and providing superior fire resistance. Our commitment to sustainability is evident in our use of post-consumer recycled materials and manufacturing processes that consume 13 times less energy than fiberglass alternatives. We offer a comprehensive range of products, including Sanctuary insulation for attics, walls, and floors, as well as specialized solutions for agricultural structures.

Our partnerships with certified installers ensure professional application, while our technical support and educational resources empower builders and homeowners alike. As a North American manufacturer with 13 facilities, we prioritize local production to better serve communities and reduce environmental impact. Backed by UL certifications and contributions to LEED certification standards, we combine technical expertise with environmental stewardship to deliver products that protect both people and the planet.
Services
Cellulose Insulation Soundproof Insulation Eco-Friendly Insulation Fire-Resistant Insulation Energy Efficiency Solutions
Highlights and features
  • Our cellulose insulation reduces sound power by 60% for quieter living spaces.
  • We offer eco-friendly products made from 100% post-consumer recycled materials.
  • Our solutions improve energy efficiency and reduce heating/cooling costs by up to 25%.
  • We maintain 13 North American manufacturing plants for rapid local delivery.
  • Our products meet UL fire safety standards and contribute to LEED certification points.
Associations and certifications
  • Underwriters Laboratories (UL)
  • U.S. Green Building Council (USGBC) LEED
Services
Cellulose Insulation
Greenfiber's cellulose insulation uses recycled materials to provide superior thermal performance and noise reduction. This sustainable solution improves energy efficiency by up to 25% while meeting strict fire safety standards. Ideal for attics, walls, and floors, it reduces sound transmission by 60% and offers easy installation through loose-fill or spray-application methods.
Soundproof Insulation
Our soundproof insulation solutions reduce noise transmission by 60% through dense-packed cellulose technology. Designed for walls and ceilings, these products create quieter living spaces while maintaining thermal efficiency and fire resistance. Easy to install in new or existing structures, they enhance comfort without compromising safety standards.
Fire-Resistant Insulation
Greenfiber's fire-resistant insulation offers 60% longer protection than conventional materials through advanced cellulose formulation. Meeting ASTM E119 standards, it forms a critical safety barrier in walls and ceilings while maintaining superior sound control and thermal performance for comprehensive home protection.
Energy Efficiency Solutions
Our energy efficiency solutions use high-performance cellulose insulation to reduce heating and cooling costs by up to 25%. These eco-friendly products improve thermal regulation while providing superior sound control, making them ideal for attic, wall, and floor applications in both residential and agricultural buildings.
Sustainable Insulation
Greenfiber's sustainable insulation products use 100% post-consumer recycled content and qualify for LEED certification points. These environmentally responsible solutions deliver dual benefits of energy savings and noise reduction while meeting rigorous fire safety standards for modern eco-conscious construction projects.
Questions
How does cellulose insulation improve home comfort?
Our cellulose insulation reduces sound transmission by 60%, regulates temperature, and provides fire resistance for safer, quieter living environments.
Is Greenfiber insulation environmentally responsible?
Yes - our products use 100% post-consumer recycled newspaper and require 13 times less energy to manufacture than fiberglass alternatives.
Can I install Greenfiber insulation myself?
We recommend professional installation for spray-applied products, though loose-fill options work for qualified DIY projects with proper equipment.
How does cellulose insulation save money?
Our insulation can reduce heating and cooling costs by up to 25% through superior thermal performance and air sealing capabilities.
Does Greenfiber insulation meet fire safety standards?
Yes - our products meet ASTM C739 standards and provide 60% longer fire resistance compared to fiberglass insulation.
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