Knauf EcoBatt R-13 Kraft Faced Fiberglass Insulation Batts deliver dependable thermal performance for walls and ceilings, backed by ECOSE Technology. This cost-effective solution helps homes stay comfortable while shrinking energy bills—and yes, it’s tough enough to handle real-world projects without turning into a drama queen.

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

Key Features & Design

• R-13 Kraft Faced Fiberglass Insulation Batts with ECOSE Technology for flexible, durable insulation that fits standard cavities.
• Material & Eco-Friendliness: Made from sand and over 50% recycled glass bottles bonded with ECOSE Technology.
• Greenguard Gold Certified: Formaldehyde-free for healthier indoor air.
• Binder: Naturally brown, eco-friendly binder made from corn, sand, and recycled glass (no added dyes).
• Comfort & Handling: Soft to the touch, easy to cut, and less itchy.
• Recycled Content: Third-party certified to include a minimum of 50% post-consumer recycled content.
• Sound Control: Provides great sound control; use between floors and interior walls such as bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms.
• Coverage & Sizing: Available in multiple sizes to fit various applications. See sizes below for sq ft per bag and batts per bag:
  • 3.5" x 15" x 47" — 107.71 sq ft/Bag; 22 batts per bag
  • 3.5" x 15" x 93" — 116.25 sq ft/Bag; 12 batts per bag
  • 3.5" x 15" x 105" — 131.25 sq ft/Bag; 12 batts per bag
  • 3.5" x 19" x 93" — 134.98 sq ft/Bag; 11 batts per bag
  • 3.5" x 23" x 93" — 163.4 sq ft/Bag; 11 batts per bag
  • 3.5" x 16" x 96" — 128 sq ft/Bag; 12 batts per bag
  • 3.5" x 24" x 96" — 176 sq ft/Bag; 11 batts per bag