Knauf EcoBatt Pro Cut R-11 Unfaced Fiberglass Batt Insulation 15-1/4 in x 93 in (157.58 sq ft)
Regular price $59.14R-11 Unfaced Fiberglass Batt Insulation (15-1/4 in x 93 in)
Knauf® unfaced fiberglass batt insulation is designed for wood or metal framed construction in new or existing buildings. It delivers reliable thermal performance and can also help reduce sound transfer in interior partitions, while installing quickly for a snug fit.
Key Features:
- Thermal + Acoustical Performance: Helps maintain indoor temperatures while absorbing excess noise for improved comfort.
- Fast, Clean Installs: Staple-free, low-dust batts cut easily and resist tearing during handling.
- Snug Fit Recovery: Highly resilient batt insulation rebounds quickly to full thickness for consistent cavity fill.
- Flexible Unfaced Design: Lets you choose the appropriate warm-side vapor retarder for your assembly.
- Fire-Tested Surface Burning: Tested to ASTM E84 with a Fire Hazard Classification of 25/50 or less.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Knauf® |
| Product line / series | Pro Cut Series |
| Sub-brand | Performance+® |
| Insulation type | Fiberglass batt insulation |
| Facing type | Unfaced |
| R-Value | R-11 |
| Width | 15-1/4 in |
| Length | 93 in |
| Thickness | 3-1/2 in |
| Coverage area | 157.58 sq-ft |
| Color | Brown |
| Material | Fiberglass |
| Installation locations | Attic, Basement, Ceiling, Crawlspace, Floor, Wall |
| Temperature rating | 400 deg F |
| Resists | Tear |
| Additional information | Staple-Free |
| Fire test / classification | Tested to ASTM E84; Fire Hazard Classification 25/50 or less |
| Manufacturer | Knauf Insulation |
| Model / identifier | B61VAC |
Frequently Asked Questions (FAQ):
Q: Is this batt faced or unfaced?
A: It’s unfaced fiberglass batt insulation, allowing you to pair it with the vapor retarder appropriate for your wall/ceiling assembly.
Q: What stud spacing does 15-1/4 in width fit?
A: 15-1/4 in batts are intended for standard 16 in on-center framing cavities.
Q: Where can it be installed?
A: It’s listed for attic, basement, ceiling, crawlspace, floor, and wall applications.
Q: How much area does one pack cover?
A: One pack covers 157.58 sq ft.
Q: What is the R-value and thickness?
A: R-11 at 3-1/2 in thickness.
Quiet comfort, beautifully concealed.
Think of this unfaced R-11 batt as the invisible layer that makes a room feel finished—warmer, calmer, and more composed. Its soft, resilient fiberglass fills cavities cleanly for a consistent, tailored fit, supporting both thermal comfort and sound control. Use it behind feature walls, bedrooms, or media rooms to elevate the experience without changing the aesthetic. It’s the kind of behind-the-scenes essential that makes everyday living feel undeniably more luxurious.
Upgrade comfort and sound control—choose Knauf® R-11 unfaced batts for a snug, reliable insulation fit.
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