Knauf® Performance+® R-11 Kraft Faced Fiberglass Batt Insulation, 23 in x 93 in (237.67 sq ft)
R-11 Kraft-Faced Fiberglass Batt Insulation (23 in x 93 in)
Knauf® kraft-faced fiberglass batt insulation delivers R-11 thermal performance for walls, floors, and ceilings while also helping reduce sound transfer. The resilient batts are designed to cut easily and fit snugly, with a kraft vapor retarder intended to be covered by an approved finish material.
Key Features:
- Thermal + Sound Control: R-11 insulation helps maintain indoor comfort and can reduce noise through walls and partitions.
- Kraft-Faced Vapor Retarder: Kraft facing has a permeance rating of 1.0 or less and is intended to be covered by an approved finish material.
- Easy Handling: Cuts easily, resists tears, and is designed for quick installation with low dust.
- Snug Fit Performance: Highly resilient batt recovers quickly to full thickness for consistent cavity fill.
- Wide Application Use: Suitable for attic, basement, ceiling, crawlspace, floor, wall, and partition applications.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Knauf® |
| Sub-brand | Performance+® |
| Series | Pro Cut Series |
| Product name | R-11, 23 in x 93 in, Kraft Faced, Fiberglass Batt Insulation, 237.67 sq-ft, B04AK |
| R-Value | R-11 |
| Material | Fiberglass |
| Facing type | Kraft |
| Color | Brown |
| Width | 23 in |
| Length | 93 in |
| Thickness | 3-1/2 in |
| Coverage area | 237.67 sq-ft |
| Installation type | Attic, Basement, Ceiling, Crawlspace, Floor, Wall |
| Additional information | Staple-Free |
| Resists | Tear |
| Temperature rating | 400 deg F |
| Proposition 65 warning | California Residents: Proposition 65 Warning www.P65Warnings.ca.gov |
| Manufacturer | Knauf Insulation |
Frequently Asked Questions (FAQ):
Q: What cavity size does this batt fit?
A: It is 3-1/2 in thick and 23 in wide, commonly used for 2x4 framing with 24 in on-center spacing.
Q: Where can I install this insulation?
A: It’s listed for attic, basement, ceiling, crawlspace, floor, and wall applications.
Q: Does the kraft facing need to be covered?
A: Yes. The product information states the kraft facing will burn and should not be left exposed; install it in contact with an approved finish material.
Q: How much area does one package cover?
A: 237.67 sq ft per package.
Q: Is this insulation easy to cut and install?
A: Yes—product features note it cuts easily, resists tears, and installs quickly with low dust.
Quiet comfort, beautifully concealed
Think of this batt insulation as the unseen layer that makes a room feel finished—warmer, quieter, and more composed. The kraft-faced surface adds a purposeful, tailored edge during install, while the resilient fiberglass body fills the cavity with a snug, confident fit. Use it to refine everyday spaces—bedrooms, home offices, media rooms—anywhere comfort and calm matter. It’s the kind of behind-the-walls essential that elevates the way a home lives.
Upgrade your comfort and sound control—choose Knauf® R-11 kraft-faced batts for a snug, code-smart insulation layer you can trust.
Original: $183.31
-70%$183.31
$54.99Product Information
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Description
R-11 Kraft-Faced Fiberglass Batt Insulation (23 in x 93 in)
Knauf® kraft-faced fiberglass batt insulation delivers R-11 thermal performance for walls, floors, and ceilings while also helping reduce sound transfer. The resilient batts are designed to cut easily and fit snugly, with a kraft vapor retarder intended to be covered by an approved finish material.
Key Features:
- Thermal + Sound Control: R-11 insulation helps maintain indoor comfort and can reduce noise through walls and partitions.
- Kraft-Faced Vapor Retarder: Kraft facing has a permeance rating of 1.0 or less and is intended to be covered by an approved finish material.
- Easy Handling: Cuts easily, resists tears, and is designed for quick installation with low dust.
- Snug Fit Performance: Highly resilient batt recovers quickly to full thickness for consistent cavity fill.
- Wide Application Use: Suitable for attic, basement, ceiling, crawlspace, floor, wall, and partition applications.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Knauf® |
| Sub-brand | Performance+® |
| Series | Pro Cut Series |
| Product name | R-11, 23 in x 93 in, Kraft Faced, Fiberglass Batt Insulation, 237.67 sq-ft, B04AK |
| R-Value | R-11 |
| Material | Fiberglass |
| Facing type | Kraft |
| Color | Brown |
| Width | 23 in |
| Length | 93 in |
| Thickness | 3-1/2 in |
| Coverage area | 237.67 sq-ft |
| Installation type | Attic, Basement, Ceiling, Crawlspace, Floor, Wall |
| Additional information | Staple-Free |
| Resists | Tear |
| Temperature rating | 400 deg F |
| Proposition 65 warning | California Residents: Proposition 65 Warning www.P65Warnings.ca.gov |
| Manufacturer | Knauf Insulation |
Frequently Asked Questions (FAQ):
Q: What cavity size does this batt fit?
A: It is 3-1/2 in thick and 23 in wide, commonly used for 2x4 framing with 24 in on-center spacing.
Q: Where can I install this insulation?
A: It’s listed for attic, basement, ceiling, crawlspace, floor, and wall applications.
Q: Does the kraft facing need to be covered?
A: Yes. The product information states the kraft facing will burn and should not be left exposed; install it in contact with an approved finish material.
Q: How much area does one package cover?
A: 237.67 sq ft per package.
Q: Is this insulation easy to cut and install?
A: Yes—product features note it cuts easily, resists tears, and installs quickly with low dust.
Quiet comfort, beautifully concealed
Think of this batt insulation as the unseen layer that makes a room feel finished—warmer, quieter, and more composed. The kraft-faced surface adds a purposeful, tailored edge during install, while the resilient fiberglass body fills the cavity with a snug, confident fit. Use it to refine everyday spaces—bedrooms, home offices, media rooms—anywhere comfort and calm matter. It’s the kind of behind-the-walls essential that elevates the way a home lives.
Upgrade your comfort and sound control—choose Knauf® R-11 kraft-faced batts for a snug, code-smart insulation layer you can trust.






















