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Ships within 48 hours · Estimated delivery Jul 10 - Jul 15
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Description
Johns Manville JM R-13 Unfaced Fiberglass Batt Insulation – 15 in x 93 in, 106.56 sq ft (11-Pack)R 13 Unfaced Fiberglass Wall Batt Insulation (15 in x 93 in) Johns Manville R 13 unfaced fiberglass batts are pre cut for standard 2x4 wood stud walls to help reduce heat loss and improve comfort. The formaldehyde free, unfaced design installs by friction fit between studs and also helps with sound control. Key Features: Sized for Standard 2x4 Walls: 15 in wide batts for 16 in on center wood stud cavities and 8 ft wall height. Thermal + Sound
R-13 Unfaced Fiberglass Wall Batt Insulation (15 in x 93 in)
Johns Manville R-13 unfaced fiberglass batts are pre-cut for standard 2x4 wood-stud walls to help reduce heat loss and improve comfort. The formaldehyde-free, unfaced design installs by friction-fit between studs and also helps with sound control.
Key Features:
- Sized for Standard 2x4 Walls: 15-in wide batts for 16-in on-center wood stud cavities and 8-ft wall height.
- Thermal + Sound Performance: R-13 insulation helps improve energy efficiency while providing sound control in interior wall assemblies.
- Easy Friction-Fit Install: Unfaced batts press in place between studs and can be added over existing insulation.
- Durable, Noncorrosive Material: Fiberglass won’t rot, mildew, or deteriorate and is noncorrosive to wiring, pipes, and metal components.
- Indoor Air Quality & Efficiency Programs: Formaldehyde-free and ENERGY STAR/Greenguard certifications listed for this product line.
Specifications Table:
| Specification | Details |
|---|---|
| Product Name | R-13, 15 in x 93 in, Unfaced, Fiberglass Batt Insulation, 106.56 sq-ft |
| Category | Batt Insulation |
| Insulation Type | Fiberglass |
| Maximum R-Value | 13 |
| Faced/Unfaced | Unfaced |
| Width (Inches) | 15 |
| Length (Inches) | 93 |
| Thickness (Inches) | 3.5 |
| Coverage Area (Sq. Feet) | 106.56 |
| Total Package Quantity | 11 |
| Package Count | 11 |
| Package Type | Individual pack |
| Stud Spacing (Inches) | 16 |
| Framing Type | Wood studs |
| 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 Crawlspaces | No |
| For Use in Attics | No |
| For Use in Ceilings | No |
| For Use in Floors | No |
| Sound Barrier | Yes |
| Formaldehyde Free | Yes |
| Vapor Retardant | No |
| R-Value per Inch | 3.7143 |
| ENERGY STAR Certified | Yes |
| GREENGUARD Gold Certified | Yes |
| CA Residents: Prop 65 Warning(s) | No |
| Bag Dimensions (L x W x D) | 15.5 x 20 x 50 |
| Package Weight (lbs.) | 26.41 |
| UNSPSC | 11162400 |
| For Use in Doors | No |
| For Use in Duct | No |
| For Use in Electrical | No |
| For Use in Garage Doors | No |
| For Use in Masonry | No |
| For Use in Plumbing | No |
| For Use in Vents | No |
| For Use in Windows | No |
Frequently Asked Questions (FAQ):
Q: What wall cavities does this insulation fit?
A: It’s designed for 2x4 wood-stud walls with 16-in on-center spacing; each batt is 15 in wide and 93 in long.
Q: Is this batt faced or unfaced—and do I need a vapor retarder?
A: This product is unfaced and has no vapor retardant; follow local building code requirements for vapor control in your climate zone and application.
Q: How many batts are in a package and what area does it cover?
A: The pack includes 11 batts and covers 106.56 sq ft total.
Q: Where can it be used?
A: It’s listed for use in walls and basements (not for attics, ceilings, floors, or crawlspaces per the provided specs).
Q: Does it help with sound?
A: Yes—this item is listed as having a sound barrier and is described as providing noise control in interior walls.
Quiet, Comfortable Walls—Effortlessly Refined
Think of this unfaced fiberglass batt as the invisible foundation of a beautifully composed room—softening sound, steadying temperature, and making spaces feel instantly more serene. Its clean, friction-fit profile slips into standard stud bays, supporting a crisp wall finish without added bulk. Use it to elevate bedrooms, offices, or media rooms where hush and comfort matter most. True luxury isn’t always seen—it’s felt, in the calm your home holds.
Upgrade your wall comfort and quiet with JM R-13 unfaced fiberglass batts—sized to fit standard 2x4 cavities for a straightforward install.
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