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Ships within 48 hours · Estimated delivery Sep 13 - Sep 18
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Description
Johns Manville R-13 Kraft-Faced Fiberglass Roll Insulation, 40-sq ft Coverage, 15-in W x 32-ft L, Multi-PackR 13 Kraft Faced Fiberglass Roll Insulation, 40 sq ft Johns Manville R 13 kraft faced fiberglass roll insulation is designed for 2x4 wood framed walls, delivering thermal performance with built in vapor retarder. Each 15 in by 32 ft roll covers 40 sq ft and helps improve energy efficiency and sound control. Key Features: Optimized for 2x4 Walls: 15 in width fits 16 in on center studs for fast installation Moisture Control: Kraft faced vapor retarder
R-13 Kraft-Faced Fiberglass Roll Insulation, 40-sq ft
Johns Manville R-13 kraft-faced fiberglass roll insulation is designed for 2x4 wood-framed walls, delivering thermal performance with built-in vapor retarder. Each 15-in by 32-ft roll covers 40 sq ft and helps improve energy efficiency and sound control.
Key Features:
- Optimized for 2x4 Walls: 15-in width fits 16-in on-center studs for fast installation
- Moisture Control: Kraft-faced vapor retarder helps manage indoor humidity
- Energy & Sound Performance: R-13 fiberglass reduces heat loss and dampens noise
- Easy to Install: Press in place; staple tabs as needed for secure fit
- Healthy Home Certifications: Formaldehyde-free, GREENGUARD Gold and SCS certified
Specifications Table:
| Specification | Details |
|---|---|
| Coverage Area | 40 sq ft |
| Length | 32 ft |
| Width | 15 in |
| Thickness | 3.5 in |
| Faced/Unfaced | Kraft faced |
| Fits 2 x 4 Walls | Yes |
| Fits 2 x 6 Walls | No |
| For Use in Walls | Yes |
| For Use in Attics | No |
| For Use in Ceilings | No |
| For Use in Floors | No |
| For Use in Crawlspaces | No |
| For Use in Basements | No |
| For Use in Doors | No |
| For Use in Windows | No |
| For Use in Masonry | No |
| For Use in Duct | No |
| For Use in Electrical | No |
| For Use in Plumbing | No |
| For Use in Vents | No |
| Formaldehyde Free | Yes |
| Framing Type | Wood studs |
| Insulation Type | Fiberglass |
| Maximum R-Value | R-13 |
| R-Value per Inch | 3.71 |
| Reflective | No |
| Sound Barrier | Yes |
| Stud Spacing | 16 in on center |
| Vapor Retardant | Yes |
| ENERGY STAR Certified | Yes (program partner) |
| GREENGUARD Gold Certified | Yes |
| Warranty | 1-year limited |
| Bag Dimensions (L x W x D) | 15.5 x 19 x 27 in |
| Package Type | Multi-pack |
| Package Count | 27 |
| Total Package Quantity | 27 |
| UNSPSC | 30141500 |
Frequently Asked Questions (FAQ):
Q: What areas is this insulation intended for?
A: It is designed for use in 2x4 wood-framed walls with 16-in on-center stud spacing; not for attics or ceilings.
Q: How much area does one roll cover?
A: Each roll covers 40 square feet (15-in W x 32-ft L).
Q: Is a vapor barrier included?
A: Yes, the kraft facing acts as a built-in vapor retarder for moisture control.
Q: Is it safe for indoor air quality?
A: Yes, it is formaldehyde-free and GREENGUARD Gold and SCS certified.
Q: What is the R-value?
A: R-13, with an approximate R-value per inch of 3.71.
Quiet Comfort, Clean Lines
This kraft-faced roll tucks seamlessly into 2x4 framing, wrapping walls in a whisper of warmth and hush. I love the tailored paper face—it creates a neat, uniform backdrop during build-out. Pair it with crisp drywall and matte black hardware for a refined, sound-softened envelope. It’s an effortless upgrade that sets the tone for elevated, livable luxury.
Upgrade your 2x4 walls with R-13 comfort and moisture control—add this Johns Manville roll insulation to your project today.
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