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Description
Johns Manville R-11 Unfaced Fiberglass Batt Wall Insulation, 175-sq ft Coverage (15-in W x 105-in L)R 11 Unfaced Fiberglass Wall Batt Insulation, 175 sq ft Boost comfort and efficiency with Johns Manville R 11 unfaced fiberglass batts designed for 2x4 wood stud walls. Pre cut for 9 ft walls with 16 in stud spacing, they provide thermal performance and sound control without a vapor barrier. Key Features: Energy Efficiency & Sound Control: R 11 fiberglass batts reduce heat transfer and dampen noise in interior and exterior walls Unfaced Design: No
R-11 Unfaced Fiberglass Wall Batt Insulation, 175 sq ft
Boost comfort and efficiency with Johns Manville R-11 unfaced fiberglass batts designed for 2x4 wood-stud walls. Pre-cut for 9-ft walls with 16-in stud spacing, they provide thermal performance and sound control without a vapor barrier.
Key Features:
- Energy Efficiency & Sound Control: R-11 fiberglass batts reduce heat transfer and dampen noise in interior and exterior walls
- Unfaced Design: No vapor barrier—ideal for adding to existing insulation or pairing with separate vapor control where needed
- Easy, Pre-Cut Installation: Sized for 9-ft walls with 16-in on-center studs; simply press in place between studs
- Durable & Safe: Will not rot or mildew; noncorrosive to pipes and wiring; formaldehyde-free
- Certified Indoor Air Quality: GREENGUARD Gold and SCS Recycled Content certified; ENERGY STAR program partner
Specifications Table:
| Specification | Details |
|---|---|
| Coverage Area (Sq. Feet) | 175 |
| Length (Inches) | 105 |
| Width (Inches) | 15 |
| Thickness (Inches) | 3.5 |
| Faced/Unfaced | Unfaced |
| Fits 2 x 4 Walls | Yes |
| Fits 2 x 6 Walls | No |
| For Use in Walls | Yes |
| For Use in Basements | Yes |
| For Use in Attics | No |
| For Use in Ceilings | No |
| For Use in Crawlspaces | No |
| For Use in Doors | No |
| For Use in Floors | No |
| For Use in Garage Doors | No |
| For Use in Masonry | No |
| For Use in Windows | 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 | 11 |
| R-Value per Inch | 3.1429 |
| Sound Barrier | Yes |
| Stud Spacing (Inches) | 16 |
| Vapor Retardant | No |
| ENERGY STAR Certified | Yes |
| GREENGUARD Gold Certified | Yes |
| Warranty | 1-year limited |
| Package Weight (lbs.) | 27.3 |
| Package Type | Multi-pack |
| Multi-Pack Quantity | 5 |
| Package Count | 16 |
| Total Package Quantity | 80 |
| Bag Dimensions (L x W x D) | 20 x 20 x 50 |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: How much area does this package cover?
A: 175 square feet total coverage.
Q: What wall framing is it designed for?
A: Pre-cut for 2x4 wood-stud walls with 16-in on-center spacing and 9-ft height.
Q: Does it include a vapor barrier?
A: No. These are unfaced batts and do not have a vapor retarder.
Q: Can it be used in basements?
A: Yes, it is suitable for basements when local codes and moisture control practices are followed.
Q: What are the dimensions of each batt?
A: 15 inches wide, 105 inches long, and 3.5 inches thick.
Whisper-quiet comfort for clean-lined walls
These R‑11 fiberglass batts slip into 2x4 stud bays with effortless precision, bringing a hush and a steady, cozy climate to living spaces. The unfaced profile keeps the look streamlined while enhancing acoustic softness—perfect behind artful drywall and millwork. Pair them with crisp, painted finishes and natural textures to create rooms that feel serene and thoughtfully insulated. A smart essential for refined, luxurious home comfort.
Upgrade your walls with Johns Manville R-11 batts today for easier installs, quieter rooms, and efficient year-round 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