Introduction

Ecobatt R-21 HD Kraft Faced Fiberglass Insulation Batts are a flexible, cost-effective way to boost thermal performance in walls and ceilings. Designed for homeowners and professionals who want solid value with sustainable credentials, these batts pair strong insulation with an eco-friendly binder and Kraft facing.

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

• Material & 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 certification: GREENGUARD Gold certified to be formaldehyde-free.
• Binder: Naturally brown, eco-friendly binder made from corn, sand, and recycled glass (no added dyes).
• Texture & 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.
• Thermal & energy impact: Provides great thermal performance that helps your heating and cooling systems operate more efficiently, potentially lowering energy usage and greenhouse gas emissions.
• Sound control: Delivers solid sound control for between floors and interior walls—great for bathrooms, kitchens, laundry rooms, family rooms, bedrooms, and theatre rooms.

Product Specifications

• 5.5" x 15" x 93" — 67.81 Sq Ft/Bag; Batts Per Bag: 7
• 5.5" x 15" x 105" — 76.56 Sq Ft/Bag; Batts Per Bag: 7
• 5.5" x 19" x 93" — 85.90 Sq Ft/Bag; Batts Per Bag: 7
• 5.5" x 23" x 93" — 103.98 Sq Ft/Bag; Batts Per Bag: 7

Ecobatt R-21 HD Kraft Faced Fiberglass Insulation Batts deliver reliable thermal performance with a focus on sustainability and ease of installation. Whether you’re upgrading an existing space or tackling a new build, these batts help you do more with fewer resources—and without the drama of itchy insulation days.