Knauf EcoBatt R-11 Unfaced Fiberglass Insulation Batts are an affordable, high-performance solution for upgrading thermal comfort in walls and ceilings. If you need 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-11 rating — Unfaced fiberglass batt insulation designed to boost thermal performance where you need it most.
• Technology Knauf EcoBatt 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.
• Environmental & Safety GREENGUARD gold certified to be formaldehyde-free.
• Binder & Sustainability 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.
• Sound Control Provides great sound control, use between floors and interior walls such bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms.
• Recycled Content Third-party certified to include a minimum of 50% post-consumer recycled content.

Available Sizes & Coverage

• 3.5" x 15.25" x 93" — 157.58 Sq Ft/Bag, 16 Batts per Bag
• 3.5" x 15.25" x 105" — 177.92 Sq Ft/Bag, 16 Batts per Bag
• 3.5" x 19" x 93" — 196.33 Sq Ft/Bag, 16 Batts per Bag
• 3.5" x 23.25" x 93" — 240.25 Sq Ft/Bag, 16 Batts per Bag
• 3.5" x 23.25" x 105" — 271.25 Sq Ft/Bag, 16 Batts per Bag
• 3.5" x 16" x 96" — 170.67 Sq Ft/Bag, 16 Batts per Bag
• 3.5" x 24" x 48" — 256 Sq Ft/Bag, 32 Batts per Bag
• 3.5" x 24" x 96" — 256 Sq Ft/Bag, 16 Batts per Bag