Johns Manville R-13 Kraft-Faced Fiberglass Roll Insulation, 40-sq ft Coverage, 15-in W x 32-ft L, Multi-Pack
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.
Original: $30.41
-70%$30.41
$9.12Product Information
Product Information
Shipping & Returns
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Description
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.
