Knauf EcoBatt R-25 Unfaced Fiberglass Insulation Batts with ECOSE Technology are a flexible glass mineral wool batt insulation made from sand and over 50% recycled glass bottles bonded with ECOSE Technology. It’s a cost-effective way to boost thermal performance for both DIY projects and professional installs, with less itchy handling and more comfort.

If you require delivery to ID, MT, OR or WA, please select that delivery zone as pricing and delivery to those states may vary.

• R-25 unfaced fiberglass insulation batt with ECOSE Technology for solid thermal performance.
• Fiberglass insulation made from sand and over 50% recycled glass bottles bonded with ECOSE Technology.
• Naturally brown, eco-friendly binder made from corn, sand, and recycled glass (no added dyes)
• GREENGUARD gold certified to be formaldehyde-free
• Soft to the touch, easy to cut, and less itchy
• Third-party certified to include a minimum of 50% post-consumer recycled content
• Provides great sound control, use between floors and interior walls (bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms)
• Sizes & coverage per bag:
  • 8" x 16" x 48" — 85.33 sq ft per bag; 16 batts per bag
  • 8" x 24" x 48" — 128 sq ft per bag; 16 batts per bag

Knauf EcoBatt R-25 is designed to help you do more with fewer resources, supporting energy-efficient heating and cooling systems while reducing greenhouse gas emissions. Ready to install, it's a dependable choice for walls, ceilings, and between floors where sound control matters.