Knauf EcoBatt R-13 Foil Faced Fiberglass Insulation Batts deliver solid thermal performance for walls and between-floor applications. It’s a cost-effective choice for homeowners and builders who want comfort with an eco-friendly footprint. By reducing energy usage, fiberglass insulation lets your heating and cooling systems run more efficiently, which may lower energy bills and reduce greenhouse gas emissions.

Delivery to ID, MT, OR or WA may vary in price — please select the appropriate delivery zone, as pricing and delivery to those states may differ.

Key Features & Design

• Size: 3.5" x 16" x 96" per batt
• Coverage: 128 sq ft per bag
• Batts per bag: 12
• Includes: 5 bags
• Material & technology: ECOSE Technology; fiberglass insulation made from sand and over 50% recycled glass bottles
• Binder: Naturally brown, eco-friendly binder made from corn, sand, and recycled glass (no added dyes)
• Certifications: GREENGUARD Gold certified to be formaldehyde-free; Third-party certified to include a minimum of 50% post-consumer recycled content
• Comfort & handling: Soft to the touch, easy to cut, and less itchy
• Sound control & applications: Provides great sound control; use between floors and interior walls such as bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms

Knauf EcoBatt helps you do more while consuming fewer resources, delivering reliable insulation performance without the drama. A practical choice for improving comfort, lowering energy use, and supporting a greener home.