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Description
Johns Manville R-19 Kraft-Faced Fiberglass Roll Insulation, 48.96-sq ft Coverage (15-in W x 39.167-ft L), Multi-Pack, B240SR 19 Kraft Faced Fiberglass Roll Insulation, 48. 96 sq ft Formalaldehyde free kraft faced fiberglass roll insulation designed for 2x6 wood stud walls and floors. Provides R 19 thermal performance with integrated vapor retarder for moisture control and sound reduction. Key Features: Designed for 2x6 Wood Stud Walls: Optimized for 16 in on center stud spacing and long, unobstructed runs Built In Vapor Retarder: Kraft facing helps control moisture and
R-19 Kraft-Faced Fiberglass Roll Insulation, 48.96-sq ft
Formalaldehyde-free kraft-faced fiberglass roll insulation designed for 2x6 wood-stud walls and floors. Provides R-19 thermal performance with integrated vapor retarder for moisture control and sound reduction.
Key Features:
- Designed for 2x6 Wood Stud Walls: Optimized for 16-in on-center stud spacing and long, unobstructed runs
- Built-In Vapor Retarder: Kraft facing helps control moisture and improves durability
- Energy & Sound Control: R-19 thermal performance enhances efficiency and reduces noise
- Easy Installation: Press in place between studs; staple tabs for secure fit
- Healthy Indoor Air: Formaldehyde-free, GREENGUARD Gold and SCS certified
Specifications Table:
| Specification | Details |
|---|---|
| Coverage Area (Sq. Feet) | 48.96 |
| Length (Feet) | 39.167 |
| Width (Inches) | 15 |
| Thickness (Inches) | 6.5 |
| Faced/Unfaced | Kraft faced |
| Fits 2 x 6 Walls | Yes |
| Fits 2 x 4 Walls | No |
| For Use in Floors | Yes |
| For Use in Walls | Yes |
| For Use in Attics | No |
| For Use in Ceilings | No |
| For Use in Crawlspaces | No |
| For Use in Masonry | No |
| Framing Type | Wood studs |
| Insulation Type | Fiberglass |
| Maximum R-Value | 19 |
| R-Value per Inch | 2.9231 |
| Stud Spacing (Inches) | 16 |
| Vapor Retardant | Yes |
| Sound Barrier | Yes |
| Reflective | No |
| Formaldehyde Free | Yes |
| ENERGY STAR Certified | Yes |
| GREENGUARD Gold Certified | Yes |
| Warranty | 1-year limited |
| Package Type | Multi-pack |
| Package Count | 12 |
| Total Package Quantity | 12 |
| Bag Dimensions (L x W x D) | 15.5 x 19 x 26 |
| UNSPSC | 30141500 |
Frequently Asked Questions (FAQ):
Q: How much area does one roll cover?
A: Each roll covers 48.96 sq ft (15-in width x 39.167-ft length).
Q: Where can I use this insulation?
A: For 2x6 wood-framed walls and floors; not intended for attics, ceilings, crawlspaces, or masonry.
Q: Do I need a separate vapor barrier?
A: No—this product is kraft-faced and includes an integral vapor retarder.
Q: Is it safe for indoor air quality?
A: Yes—it's formaldehyde-free and GREENGUARD Gold/SCS certified.
Q: How is it installed?
A: Unroll, fit between studs, and staple the facing tabs to framing as needed for securement.
Warmth, Quiet, and Clean Lines for Your Walls
This kraft-faced roll tucks neatly into 2x6 framing, creating a smooth, tailored envelope that elevates comfort. The natural tone of the facing delivers an honest, utilitarian aesthetic while the R-19 core hushes sound and stabilizes temperature. Style it with crisp, sealed seams for a refined, builder-grade look before drywall. It’s a quiet luxury essential—efficient, healthy, and impeccably finished.
Upgrade your walls with R-19 performance—choose Johns Manville kraft-faced rolls for easy installation, moisture control, and long‑lasting comfort.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy