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Description
JM R-19 Unfaced Fiberglass Batt Insulation, 24 in x 48 in, 144 sq ft (18-Pack)R 19 Unfaced Fiberglass Batt Insulation (24" x 48", 144 sq ft) JM R 19 unfaced fiberglass batt insulation is designed for thermal and sound control in 2 x 6 wall cavities, especially with steel stud framing. Pre cut 24 in x 48 in batts press fit between studs for straightforward installation and 144 sq ft of coverage per package. Key Features: Sound & Thermal Performance: R 19 fiberglass batts help improve energy efficiency while reducing sound
R-19 Unfaced Fiberglass Batt Insulation (24" x 48", 144 sq ft)
JM R-19 unfaced fiberglass batt insulation is designed for thermal and sound control in 2 x 6 wall cavities, especially with steel-stud framing. Pre-cut 24 in x 48 in batts press-fit between studs for straightforward installation and 144 sq ft of coverage per package.
Key Features:
- Sound & Thermal Performance: R-19 fiberglass batts help improve energy efficiency while reducing sound transmission through interior walls.
- Made for 2x6 Steel-Stud Walls: Sized for 24-in on-center framing and pre-cut for standard 8-ft wall cavities.
- Unfaced for Flexible Use: No vapor retarder—ideal for adding to existing insulation where appropriate.
- Cleaner Indoor Air Choice: Formaldehyde-free and GREENGUARD Gold certified.
- Durable Inorganic Fibers: Will not rot, mildew, or deteriorate; noncorrosive to wiring, pipes, and metal studs.
Specifications Table:
| Specification | Details |
|---|---|
| Category | Batt Insulation |
| Series Name | Sound Control |
| Insulation Type | Fiberglass |
| Faced/Unfaced | Unfaced |
| Maximum R-Value | 19 |
| R-Value per Inch | 2.9231 |
| Width (Inches) | 24 |
| Length (Inches) | 48 |
| Thickness (Inches) | 6.5 |
| Coverage Area (Sq. Feet) | 144 |
| Package Count | 18 |
| Total Package Quantity | 72 |
| Package Type | Multi-pack |
| Multi-Pack Quantity | 4 |
| Framing Type | Steel studs |
| Stud Spacing (Inches) | 24 |
| Sound Barrier | Yes |
| Formaldehyde Free | Yes |
| Vapor Retardant | No |
| ENERGY STAR Certified | Yes |
| GREENGUARD Gold Certified | Yes |
| Warranty | 1-year limited |
| Bag Dimensions (L x W x D) | 24.5 x 20 x 49 |
| Package Weight (lbs.) | 35.33 |
| For Use in Basements | Yes |
| For Use in Crawlspaces | Yes |
| For Use in Ceilings | No |
| For Use in Attics | No |
| For Use in Doors | No |
| For Use in Duct | No |
| For Use in Electrical | No |
| For Use in Floors | 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 Walls | Yes |
| For Use in Windows | No |
| Fits 2 x 4 Walls | No |
| Fits 2 x 6 Walls | Yes |
| UNSPSC | 11162400 |
| Flame Spread Index | <25 |
| Smoke Developed Index | <50 |
| Water Vapor Sorption | <5 % |
| Standards/Certifications | ASTM C665 Type I; ASTM E136; IBC; Energy Star Certified; Greenguard Gold Certified; Indoor Air Quality Certified; NAIMA 16 CFR Part 460; Recycled Content Certified |
| Application | For New Construction, Remodels, Walls, Floors, Ceilings, Basements, Attics and Crawlspaces |
| For Use With | Steel Stud Framing |
| Material | Fiberglass |
| Manufacturer Part # | AU333 |
Frequently Asked Questions (FAQ):
Q: Is this insulation faced or unfaced?
A: It is unfaced fiberglass batt insulation (no built-in vapor retarder).
Q: What size walls does this fit?
A: It is intended for 2 x 6 wall cavities and 24-in on-center stud spacing (steel-stud framing is specified).
Q: How much area does one package cover?
A: One package covers 144 sq ft.
Q: Can this help with sound control?
A: Yes—this product is specified as a sound barrier and is marketed for interior wall sound control.
Q: What certifications does it have?
A: It is listed as ENERGY STAR certified and GREENGUARD Gold certified, and includes recycled-content certification.
Quiet Luxury, Built Into the Walls
There’s a particular kind of luxury you feel before you ever see it—when a room holds its temperature, softens the noise, and instantly reads as calm. These R-19 unfaced fiberglass batts slip into 2x6 cavities with a clean, tailored fit, creating an invisible envelope of comfort and hush. Use them strategically in bedrooms, offices, and media spaces where tranquility is the ultimate finish. It’s the behind-the-scenes layer that makes a home feel impeccably considered.
Upgrade comfort and quiet—install JM R-19 unfaced fiberglass batts for efficient, sound-dampening performance in your 2x6 walls.
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