Made with 85% recycled paper fiber, Greenfiber blown-in cellulose insulation is what we use on attic floors and in wall cavities. Greenfiber cellulose fills gaps and voids for superior performance and soundproofing, absorbing 90% of sounds. Learn more about the insulation features and benefits. 

Compared to traditional fiberglass, CertainTeed fiberglass insulation uses a plant-based binder with no formaldehyde, harsh acrylics, dyes or unnecessary fire retardants added. Check out the features and frequently asked questions.

Knauf EcoBatt® fiberglass insulation is made of at least 50% recycled glass content. We use both Knauf EcoBatts and CertainTeed fiberglass to insulate floors and attic kneewalls. Feel free to peruse the insulation features and environmental product declaration.