Knauf EcoBatt R-49 Unfaced Fiberglass Insulation Batts deliver reliable thermal performance for homes and renovations. Perfect for DIYers and professionals seeking a cost-effective insulation solution that’s easy to install and kind to your hands.

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

• Material & technology: Knauf Eco Batt 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.
• Thermal performance: Fiberglass insulation is the most cost effective way to increase thermal performance.
• Certification: GREENGUARD gold certified to be formaldehyde-free.
• Binder & eco-content: 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.
• Environmental footprint: 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 bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms.

Sizes & Coverage

• 13.75" x 16" x 48" — 32 Sq Ft/Bag, Batts Per Bag: 6
• 13.75" x 24" x 48" — 48 Sq Ft/Bag, Batts Per Bag: 6

Fiberglass insulation helps you — and all of us — do more while consuming fewer resources.

By reducing energy usage, fiberglass insulation allows your heating and cooling systems to operate with greater efficiency, which decreases energy use, may reduce your energy bills and limits the release of greenhouse gases into the atmosphere.