Knauf EcoBatt R-38 Unfaced Fiberglass Insulation Batts deliver reliable thermal performance for walls and ceilings, with an easy install that won’t make you lose sleep over itchy fingers. Available in all sizes, these unfaced batts use ECOSE Technology for a greener, more comfortable home.

Note: 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

• Unfaced fiberglass insulation batts with ECOSE Technology — a flexible glass mineral wool batt insulation made from sand and over 50% recycled glass bottles bonded with ECOSE Technology.
• Fiberglass insulation is a cost-effective way to boost thermal performance, helping your heating and cooling systems run more efficiently and potentially lowering energy bills.
• GREENGUARD Gold certified to be formaldehyde-free for safer indoor air quality.
• Naturally brown, eco-friendly binder made from corn, sand, and recycled glass (no added dyes).
• Soft to the touch, easy to cut, and less itchy for a more comfortable installation experience.
• Third-party certified to include a minimum of 50% post-consumer recycled content.
• Sound control benefits make it a solid choice between floors and interior walls—great for bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms.

Sizes & Coverage

• 12" x 16" x 48" — 58.67 Sq Ft/Bag, 11 Batts per Bag
• 12" x 19" x 48" — 50.67 Sq Ft/Bag, 8 Batts per Bag
• 12" x 24" x 48" — 64 Sq Ft/Bag, 8 Batts per Bag

Knauf EcoBatt insulation is designed to meet a range of thermal needs with dependable performance. Whether you’re tackling a DIY project or upgrading a multi-room build, these unfaced batts pair well with other Knauf EcoBatt products and deliver durable comfort while helping you do more with fewer resources.