Knauf R-11 Kraft-Faced Fiberglass Batt/Roll Insulation, 23 in x 70.5 ft (135.12 sq ft) - KR42TAK
R-11 Kraft-Faced Fiberglass Batt/Roll Insulation
Knauf® R-11 kraft-faced fiberglass roll/batt insulation helps improve comfort by reducing heat loss and dampening sound. Made with ECOSE® Technology and designed for a snug fit, it installs easily in common residential areas like walls, floors, and ceilings.
Key Features:
- Thermal + Acoustical Comfort: Helps maintain indoor temperatures while absorbing excess noise for more comfortable rooms
- ECOSE® Technology Binder: Bio-based binder and validated formaldehyde-free for a more thoughtful insulation choice
- Resilient Fit: Recovers quickly to full thickness for a snug fit between framing members
- Easy Handling: Cuts easily, resists tears, and installs quickly with low dust
- Kraft-Faced Vapor Retarder: Kraft facing helps manage moisture in appropriate applications
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Knauf® |
| Series/Sub-brand | Performance+® EcoRoll® |
| Insulation Type | Batt/Roll insulation |
| Material | Fiberglass |
| R-Value | R-11 |
| Facing Type | Kraft |
| Width | 23 in |
| Length | 70.5 ft |
| Thickness | 3-1/2 in |
| Coverage Area | 135.12 sq-ft |
| Color | Brown |
| Installation Type/Applications | Attic, Basement, Ceiling, Crawlspace, Floor, Wall |
| Temperature Rating | 400 deg F |
| Technology/Binder | ECOSE® Technology; validated formaldehyde-free |
| Warning | California Residents: Proposition 65 Warning www.P65Warnings.ca.gov |
Frequently Asked Questions (FAQ):
Q: Where can this insulation be installed?
A: It’s suitable for attic, basement, ceiling, crawlspace, floor, and wall applications.
Q: What does “kraft-faced” mean?
A: Kraft-faced insulation has a kraft paper facing that can act as a vapor retarder when installed correctly for the assembly/climate.
Q: What are the dimensions and coverage per roll?
A: Each roll is 23 in wide x 70.5 ft long (3-1/2 in thick) and covers 135.12 sq ft.
Q: What R-value is this product?
A: This insulation is rated R-11.
A Quiet Layer of Comfort, Beautifully Considered
Great spaces begin with what you don’t see—this R-11 kraft-faced fiberglass roll creates a calm, cocooning foundation that tempers temperature swings and softens everyday noise. The warm, understated kraft facing feels purposeful and tailored, bringing a sense of order behind the walls. Use it to elevate bedrooms, media rooms, or any space where serenity matters most. It’s an essential, behind-the-scenes upgrade that makes luxury living feel effortless.
Choose Knauf® R-11 kraft-faced insulation to add everyday comfort and quieter rooms with a quick, easy install.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
R-11 Kraft-Faced Fiberglass Batt/Roll Insulation
Knauf® R-11 kraft-faced fiberglass roll/batt insulation helps improve comfort by reducing heat loss and dampening sound. Made with ECOSE® Technology and designed for a snug fit, it installs easily in common residential areas like walls, floors, and ceilings.
Key Features:
- Thermal + Acoustical Comfort: Helps maintain indoor temperatures while absorbing excess noise for more comfortable rooms
- ECOSE® Technology Binder: Bio-based binder and validated formaldehyde-free for a more thoughtful insulation choice
- Resilient Fit: Recovers quickly to full thickness for a snug fit between framing members
- Easy Handling: Cuts easily, resists tears, and installs quickly with low dust
- Kraft-Faced Vapor Retarder: Kraft facing helps manage moisture in appropriate applications
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Knauf® |
| Series/Sub-brand | Performance+® EcoRoll® |
| Insulation Type | Batt/Roll insulation |
| Material | Fiberglass |
| R-Value | R-11 |
| Facing Type | Kraft |
| Width | 23 in |
| Length | 70.5 ft |
| Thickness | 3-1/2 in |
| Coverage Area | 135.12 sq-ft |
| Color | Brown |
| Installation Type/Applications | Attic, Basement, Ceiling, Crawlspace, Floor, Wall |
| Temperature Rating | 400 deg F |
| Technology/Binder | ECOSE® Technology; validated formaldehyde-free |
| Warning | California Residents: Proposition 65 Warning www.P65Warnings.ca.gov |
Frequently Asked Questions (FAQ):
Q: Where can this insulation be installed?
A: It’s suitable for attic, basement, ceiling, crawlspace, floor, and wall applications.
Q: What does “kraft-faced” mean?
A: Kraft-faced insulation has a kraft paper facing that can act as a vapor retarder when installed correctly for the assembly/climate.
Q: What are the dimensions and coverage per roll?
A: Each roll is 23 in wide x 70.5 ft long (3-1/2 in thick) and covers 135.12 sq ft.
Q: What R-value is this product?
A: This insulation is rated R-11.
A Quiet Layer of Comfort, Beautifully Considered
Great spaces begin with what you don’t see—this R-11 kraft-faced fiberglass roll creates a calm, cocooning foundation that tempers temperature swings and softens everyday noise. The warm, understated kraft facing feels purposeful and tailored, bringing a sense of order behind the walls. Use it to elevate bedrooms, media rooms, or any space where serenity matters most. It’s an essential, behind-the-scenes upgrade that makes luxury living feel effortless.
Choose Knauf® R-11 kraft-faced insulation to add everyday comfort and quieter rooms with a quick, easy install.






















