Johns Manville R-19 Kraft-Faced Fiberglass Batt Insulation, 144-sq ft Coverage, 24-in W x 48-in L, K259S
Regular price $110.72R-19 Kraft-faced fiberglass batt insulation for 2x6 walls
Formaledehyde-free Kraft-faced fiberglass batts deliver R-19 thermal performance with integrated vapor retarder for moisture control. Pre-cut to 24 in x 48 in to fit 2x6 steel-stud walls, this 18-piece pack covers 144 sq ft and helps improve energy efficiency and sound control.
Key Features:
- Moisture Control: Kraft facing provides built-in vapor retarder
- Ready to Fit: Pre-cut batts sized for 24-in on-center, 8-ft walls
- Energy & Sound Performance: R-19 thermal rating with acoustic benefits
- Durable & Safe: Will not rot or corrode; formaldehyde-free and GREENGUARD Gold Certified
- Easy Installation: Press in place between studs; staple tabs as needed
Specifications Table:
| Specification | Details |
|---|---|
| Coverage Area | 144 sq ft |
| Length | 48 in |
| Width | 24 in |
| Thickness | 6.5 in |
| Faced/Unfaced | Kraft faced |
| Fits 2 x 6 Walls | Yes |
| Fits 2 x 4 Walls | No |
| For Use in Walls | Yes |
| For Use in Floors | Yes |
| For Use in Crawlspaces | Yes |
| For Use in Basements | Yes |
| For Use in Attics | No |
| For Use in Ceilings | No |
| Formaldehyde Free | Yes |
| Framing Type | Steel studs |
| Insulation Type | Fiberglass |
| Maximum R-Value | 19 |
| Package Count | 18 pieces |
| Package Type | Multi-pack |
| R-Value per Inch | 2.9231 |
| Sound Barrier | Yes |
| Stud Spacing | 24 in |
| Vapor Retardant | Yes |
| ENERGY STAR Certified | Yes (program partner) |
| GREENGUARD Gold Certified | Yes |
| Warranty | 1-year limited |
| Bag Dimensions (L x W x D) | 24.5 x 20 x 49 in |
| Package Weight | 35.33 lbs |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: Can these batts be used in 2x6 walls?
A: Yes, they are designed for 2x6 steel-stud walls with 24-in on-center spacing.
Q: What is the coverage per package?
A: Each 18-piece package covers 144 square feet.
Q: Do the batts include a vapor barrier?
A: Yes, the Kraft facing acts as a vapor retarder for moisture control.
Q: Are these suitable for floors and crawlspaces?
A: Yes, they can be used in floors and crawlspaces; not intended for attics or ceilings per listing.
Q: Are they formaldehyde-free?
A: Yes, they are formaldehyde-free and GREENGUARD Gold Certified.
Quiet, cozy walls with a clean, tailored finish
These R‑19 batts bring a refined calm to interiors, tempering temperature swings while softening sound between rooms. The smooth Kraft facing lends a neat, purposeful look as you build, making alignment crisp in 24-inch bays. Pair them with sleek steel studs and layered drywall for a streamlined envelope. It’s a discreet luxury—comfort you feel every day without ever seeing it.
Elevate comfort and efficiency—add Johns Manville R‑19 Kraft‑faced batts to your project today.
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