Johns Manville R-19 Kraft-Faced Fiberglass Batt Wall Insulation, 133.68-sq ft Coverage, 23-in x 93-in (K1251S)
R-19 Kraft-Faced Fiberglass Batt Wall Insulation, 23-in x 93-in
Kraft-faced fiberglass batts designed for 2x6 wood-stud walls deliver R-19 thermal performance with integrated vapor retarder. Pre-cut 23-in x 93-in pieces cover 133.68 sq ft per package to improve energy efficiency and sound control in basements, crawlspaces, and walls.
Key Features:
- Ready-to-Install Batts: Pre-cut for 8-ft walls on 24-in O.C. studs; simply press in place and staple flanges as needed
- Moisture Control: Kraft facing acts as a built-in vapor retarder to help manage humidity in exterior walls
- Energy & Sound Performance: R-19 insulation improves efficiency and provides acoustic dampening
- Durable & Safe: Formaldehyde-free fiberglass will not rot, mildew, or corrode pipes and wiring
- Indoor Air Quality Certifications: GREENGUARD Gold and SCS Recycled Content certified; ENERGY STAR partner
Specifications Table:
| Specification | Details |
|---|---|
| R-Value | 19 |
| Insulation Type | Fiberglass |
| Facing | Kraft faced (vapor retarder) |
| Piece Dimensions | 23 in W x 93 in L x 6.5 in Thick |
| Coverage Area | 133.68 sq ft per package |
| Stud Spacing | 24 in on-center |
| Fits Wall Depth | 2x6 walls |
| Framing Type | Wood studs |
| Formaldehyde Free | Yes |
| Sound Barrier | Yes |
| For Use In Walls | Yes |
| For Use in Basements | Yes |
| For Use in Crawlspaces | Yes |
| For Use in Attics | No |
| For Use in Ceilings | No |
| Vapor Retardant | Yes |
| ENERGY STAR Certified | Yes (program partner) |
| GREENGUARD Gold Certified | Yes |
| Bag Dimensions (L x W x D) | 23.5 x 20 x 49 in |
| Package Weight | 36.8 lb |
| Package Type | Multi-pack |
| Package Count | 9 pieces |
| R-Value per Inch | 2.9231 |
| Warranty | 1-year limited |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: How much area does one package cover?
A: Each package covers 133.68 sq ft with nine 23-in x 93-in batts.
Q: What wall construction is this for?
A: It’s sized for 2x6 wood-stud walls with 24-in on-center spacing; not for 2x4 walls.
Q: Is a separate vapor barrier required?
A: No, the Kraft facing functions as a vapor retarder in most wall assemblies; follow local codes.
Q: Can this be used in ceilings or attics?
A: It’s intended for walls and appropriate for basements and crawlspaces; not for attics or ceilings per specs.
Q: Is it formaldehyde-free?
A: Yes, the fiberglass is formaldehyde-free and GREENGUARD Gold certified.
Quiet Comfort, Elegantly Wrapped
This R-19 Kraft-faced batt cocoons your rooms in a serene hush while keeping temperatures luxuriously consistent. I love the warm paper facing—clean, orderly, and purposeful—creating a polished canvas before drywall. Pair it with deep, matte wall colors and layered textures to heighten the sense of calm. It’s a discreet essential that elevates living to a refined, comfortable standard.
Upgrade your wall assembly with R-19 performance—add Johns Manville Kraft-faced batts to your cart and start saving energy and reducing noise today.
Original: $111.58
-70%$111.58
$33.47Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
R-19 Kraft-Faced Fiberglass Batt Wall Insulation, 23-in x 93-in
Kraft-faced fiberglass batts designed for 2x6 wood-stud walls deliver R-19 thermal performance with integrated vapor retarder. Pre-cut 23-in x 93-in pieces cover 133.68 sq ft per package to improve energy efficiency and sound control in basements, crawlspaces, and walls.
Key Features:
- Ready-to-Install Batts: Pre-cut for 8-ft walls on 24-in O.C. studs; simply press in place and staple flanges as needed
- Moisture Control: Kraft facing acts as a built-in vapor retarder to help manage humidity in exterior walls
- Energy & Sound Performance: R-19 insulation improves efficiency and provides acoustic dampening
- Durable & Safe: Formaldehyde-free fiberglass will not rot, mildew, or corrode pipes and wiring
- Indoor Air Quality Certifications: GREENGUARD Gold and SCS Recycled Content certified; ENERGY STAR partner
Specifications Table:
| Specification | Details |
|---|---|
| R-Value | 19 |
| Insulation Type | Fiberglass |
| Facing | Kraft faced (vapor retarder) |
| Piece Dimensions | 23 in W x 93 in L x 6.5 in Thick |
| Coverage Area | 133.68 sq ft per package |
| Stud Spacing | 24 in on-center |
| Fits Wall Depth | 2x6 walls |
| Framing Type | Wood studs |
| Formaldehyde Free | Yes |
| Sound Barrier | Yes |
| For Use In Walls | Yes |
| For Use in Basements | Yes |
| For Use in Crawlspaces | Yes |
| For Use in Attics | No |
| For Use in Ceilings | No |
| Vapor Retardant | Yes |
| ENERGY STAR Certified | Yes (program partner) |
| GREENGUARD Gold Certified | Yes |
| Bag Dimensions (L x W x D) | 23.5 x 20 x 49 in |
| Package Weight | 36.8 lb |
| Package Type | Multi-pack |
| Package Count | 9 pieces |
| R-Value per Inch | 2.9231 |
| Warranty | 1-year limited |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: How much area does one package cover?
A: Each package covers 133.68 sq ft with nine 23-in x 93-in batts.
Q: What wall construction is this for?
A: It’s sized for 2x6 wood-stud walls with 24-in on-center spacing; not for 2x4 walls.
Q: Is a separate vapor barrier required?
A: No, the Kraft facing functions as a vapor retarder in most wall assemblies; follow local codes.
Q: Can this be used in ceilings or attics?
A: It’s intended for walls and appropriate for basements and crawlspaces; not for attics or ceilings per specs.
Q: Is it formaldehyde-free?
A: Yes, the fiberglass is formaldehyde-free and GREENGUARD Gold certified.
Quiet Comfort, Elegantly Wrapped
This R-19 Kraft-faced batt cocoons your rooms in a serene hush while keeping temperatures luxuriously consistent. I love the warm paper facing—clean, orderly, and purposeful—creating a polished canvas before drywall. Pair it with deep, matte wall colors and layered textures to heighten the sense of calm. It’s a discreet essential that elevates living to a refined, comfortable standard.
Upgrade your wall assembly with R-19 performance—add Johns Manville Kraft-faced batts to your cart and start saving energy and reducing noise today.
