Knauf Insulation R-11 EcoBatt Unfaced Fiberglass Insulation Batts, 3-1/2 in x 15.25 in x 93 in, 157.58 Sq Ft
Regular price $52.50R-11 EcoBatt Unfaced Fiberglass Insulation Batts (3.5 x 15.25 x 93)
High-performance Knauf EcoBatt unfaced fiberglass batts deliver R-11 thermal and sound control for interior walls and ceilings. Sized 3-1/2 in thick by 15.25 in wide by 93 in long, each package covers 157.58 sq ft and features ECOSE Technology for low-itch handling and sustainable content.
Key Features:
- Reliable R-11 Thermal Performance: Ideal for 2x4 interior walls and ceilings
- Eco-Friendly Composition: Made with sand and over 50% recycled glass, bonded with ECOSE Technology
- Low-Itch, Easy Install: Soft feel, cuts cleanly, and friction-fits into stud bays
- Unfaced Sound Control: Helps dampen noise between rooms without a vapor retarder
- GREENGUARD Gold Certified: Formaldehyde-free for improved indoor air quality
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| R-Value | R-11 |
| Facing | Unfaced |
| Material | Fiberglass (glass mineral wool) |
| Thickness | 3.5 in (3-1/2 in) |
| Width | 15.25 in |
| Length | 93 in |
| Coverage per package | 157.58 sq ft |
| Product form | Batt |
| Certification | GREENGUARD Gold; formaldehyde-free binder (ECOSE Technology) |
| Recycled content | Minimum 50% post-consumer recycled content (third-party certified) |
Frequently Asked Questions (FAQ):
Q: Is a vapor retarder included?
A: No. These are unfaced batts; add a separate vapor retarder if your local code requires one.
Q: What framing does this size fit?
A: 15.25 in width is designed for standard 16 in on-center stud bays; 3.5 in thickness fits typical 2x4 walls.
Q: How much area does one package cover?
A: 157.58 square feet for the 3.5 x 15.25 x 93 in size.
Q: Can it be used for sound control?
A: Yes, unfaced fiberglass batts provide effective acoustical damping for interior partitions.
Q: What is ECOSE Technology?
A: A sustainable, formaldehyde-free binder used by Knauf for softer feel and reduced itch.
Quiet Comfort, Naturally Refined
EcoBatt’s warm, organic tone slips behind the walls yet elevates the entire atmosphere of a home. I love its unfaced profile—pure, textural fiberglass that hushes sound and cocoons rooms in calm. Pair it with clean-lined drywall and pale oak finishes to let the serenity sing. It’s a discreet luxury that makes everyday living feel beautifully composed.
Upgrade your walls with EcoBatt R-11 today for quieter, more efficient comfort that installs with ease.
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