







Johns Manville R-11 Kraft-Faced Fiberglass Batt Insulation, 237.66-sq ft Coverage, 23 in W x 93 in L (K1255)
R-11 Kraft-Faced Fiberglass Wall Batt Insulation
Formaledehyde-free kraft-faced fiberglass batts designed for 2x4 wood-stud walls. Provides R-11 thermal performance with integrated vapor retarder and sound control, covering 237.66 sq ft per pack.
Key Features:
- Designed for 2x4 Walls: Pre-cut 23 in x 93 in batts fit 24 in on-center framing for 9-ft walls
- Moisture Control: Kraft facing acts as a built-in vapor retarder for concealed wall applications
- Sound Control: Helps reduce noise transmission while improving energy efficiency
- Easy Installation: Press into place between studs; staple tabs if additional securement is needed
- Durable & Safe: Formaldehyde-free fiberglass that will not rot, mildew, or corrode pipes and wiring
Specifications Table:
| Specification | Details |
|---|---|
| Coverage Area (Sq. Feet) | 237.66 |
| Length (Inches) | 93 |
| Width (Inches) | 23 |
| Thickness (Inches) | 3.5 |
| Faced/Unfaced | Kraft faced |
| Fits 2 x 4 Walls | Yes |
| Fits 2 x 6 Walls | No |
| For Use in Basements | Yes |
| For Use in Walls | Yes |
| For Use in Attics | No |
| For Use in Ceilings | No |
| For Use in Floors | No |
| Sound Barrier | Yes |
| Insulation Type | Fiberglass |
| Framing Type | Wood studs |
| Maximum R-Value | 11 |
| R-Value per Inch | 3.1429 |
| Stud Spacing (Inches) | 24 |
| Package Count | 16 |
| Total Package Quantity | 16 |
| Package Type | Individual pack |
| Formaldehyde Free | Yes |
| Vapor Retardant | Yes |
| GREENGUARD Gold Certified | Yes |
| ENERGY STAR Certified | Yes |
| Warranty | 1-year limited |
| Bag Dimensions (L x W x D) | 23.5 x 20 x 49 |
| Package Weight (lbs.) | 37.08 |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: How much area does one package cover?
A: 237.66 sq ft total coverage across 16 pre-cut batts.
Q: What wall framing is this intended for?
A: 2x4 wood-stud walls with 24 in on-center stud spacing and 9-ft wall height.
Q: Is there a vapor barrier?
A: Yes, the kraft facing provides a vapor retarder for moisture control in wall cavities.
Q: Can it be used in basements?
A: Yes, it is suitable for basements and walls; not intended for attics, ceilings, or floors.
Q: What is the R-value and thickness?
A: R-11 thermal resistance with a 3.5 in thickness.
Quiet comfort with a clean, tailored finish
These kraft-faced batts bring serene, hushed energy to rooms, wrapping walls in a neat, paper-lined layer. The slim 3.5-inch profile slips seamlessly into 2x4 framing, delivering reliable R-11 performance with a refined, uniform surface. Style it by pairing with warm wood tones and matte hardware to enhance the cozy, composed vibe. It’s a smart essential for creating polished, luxurious comfort in everyday spaces.
Upgrade your walls with JM R-11 kraft-faced batts for easy installation, better comfort, and quieter living—add to cart now.
Original: $106.42
-70%$106.42
$31.93Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
R-11 Kraft-Faced Fiberglass Wall Batt Insulation
Formaledehyde-free kraft-faced fiberglass batts designed for 2x4 wood-stud walls. Provides R-11 thermal performance with integrated vapor retarder and sound control, covering 237.66 sq ft per pack.
Key Features:
- Designed for 2x4 Walls: Pre-cut 23 in x 93 in batts fit 24 in on-center framing for 9-ft walls
- Moisture Control: Kraft facing acts as a built-in vapor retarder for concealed wall applications
- Sound Control: Helps reduce noise transmission while improving energy efficiency
- Easy Installation: Press into place between studs; staple tabs if additional securement is needed
- Durable & Safe: Formaldehyde-free fiberglass that will not rot, mildew, or corrode pipes and wiring
Specifications Table:
| Specification | Details |
|---|---|
| Coverage Area (Sq. Feet) | 237.66 |
| Length (Inches) | 93 |
| Width (Inches) | 23 |
| Thickness (Inches) | 3.5 |
| Faced/Unfaced | Kraft faced |
| Fits 2 x 4 Walls | Yes |
| Fits 2 x 6 Walls | No |
| For Use in Basements | Yes |
| For Use in Walls | Yes |
| For Use in Attics | No |
| For Use in Ceilings | No |
| For Use in Floors | No |
| Sound Barrier | Yes |
| Insulation Type | Fiberglass |
| Framing Type | Wood studs |
| Maximum R-Value | 11 |
| R-Value per Inch | 3.1429 |
| Stud Spacing (Inches) | 24 |
| Package Count | 16 |
| Total Package Quantity | 16 |
| Package Type | Individual pack |
| Formaldehyde Free | Yes |
| Vapor Retardant | Yes |
| GREENGUARD Gold Certified | Yes |
| ENERGY STAR Certified | Yes |
| Warranty | 1-year limited |
| Bag Dimensions (L x W x D) | 23.5 x 20 x 49 |
| Package Weight (lbs.) | 37.08 |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: How much area does one package cover?
A: 237.66 sq ft total coverage across 16 pre-cut batts.
Q: What wall framing is this intended for?
A: 2x4 wood-stud walls with 24 in on-center stud spacing and 9-ft wall height.
Q: Is there a vapor barrier?
A: Yes, the kraft facing provides a vapor retarder for moisture control in wall cavities.
Q: Can it be used in basements?
A: Yes, it is suitable for basements and walls; not intended for attics, ceilings, or floors.
Q: What is the R-value and thickness?
A: R-11 thermal resistance with a 3.5 in thickness.
Quiet comfort with a clean, tailored finish
These kraft-faced batts bring serene, hushed energy to rooms, wrapping walls in a neat, paper-lined layer. The slim 3.5-inch profile slips seamlessly into 2x4 framing, delivering reliable R-11 performance with a refined, uniform surface. Style it by pairing with warm wood tones and matte hardware to enhance the cozy, composed vibe. It’s a smart essential for creating polished, luxurious comfort in everyday spaces.
Upgrade your walls with JM R-11 kraft-faced batts for easy installation, better comfort, and quieter living—add to cart now.






















