Knauf EcoRoll R-11 Unfaced Fiberglass Insulation Roll is a practical, low-itch solution for between-floor and interior-wall insulation, delivering solid sound control and energy efficiency. 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: Knauf EcoRoll Insulation is a glass mineral wool insulation manufactured from abundant natural resources and at least 60% post-consumer recycled material bonded with ECOSE technology.
• Sizes & Coverage: 3.5" x 15" x 40' (50 sq ft per bag); 3.5" x 15" x 70.5' (88.13 sq ft).
• Certifications: GREENGUARD gold certified to be formaldehyde-free.
• Binder & Color: Naturally brown, eco-friendly binder made from corn, sand, and recycled glass (no added dyes).
• Workability: Soft to touch, easy to cut, and less itchy.
• Recycled Content: Third-party certified to include a minimum of 50% post-consumer recycled content.
• Applications: Provides great sound control, use between floors and interior walls such bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms.

Specifications

• Product Type: Unfaced fiberglass insulation roll
• Size Options:
  • 3.5" x 15" x 40' — 50 sq ft per bag
  • 3.5" x 15" x 70.5' — 88.13 sq ft