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Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
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Description
Johns Manville R-30 Unfaced Fiberglass Batt Insulation, 16 in x 48 in, 58.66 sq ftR 30 Unfaced Fiberglass Batt Insulation (16" x 48", 58. 66 sq ft) This R 30 unfaced fiberglass batt insulation is pre cut for 16 in on center wood framing to help improve energy efficiency and reduce noise. Designed for attic and ceiling applications, it presses in place between joists for a fast, straightforward install. Key Features: High R Value Performance: R 30 fiberglass batts help reduce heat transfer for improved energy efficiency. Easy Fit
R-30 Unfaced Fiberglass Batt Insulation (16" x 48", 58.66 sq ft)
This R-30 unfaced fiberglass batt insulation is pre-cut for 16-in on-center wood framing to help improve energy efficiency and reduce noise. Designed for attic and ceiling applications, it presses in place between joists for a fast, straightforward install.
Key Features:
- High R-Value Performance: R-30 fiberglass batts help reduce heat transfer for improved energy efficiency.
- Easy Fit for Standard Framing: Pre-cut 48-in batts sized for 16-in on-center wood-joist spacing.
- Sound Control: Built-in sound barrier helps dampen noise between spaces.
- Formaldehyde-Free & Indoor Air Quality Certified: GREENGUARD Gold certified and labeled formaldehyde-free.
- Durable, Noncorrosive Material: Won’t rot or mildew and is noncorrosive to pipes, wiring, and metal components.
Specifications Table:
| Specification | Details |
|---|---|
| Maximum R-Value | 30 |
| Insulation Type | Fiberglass |
| Faced/Unfaced | Unfaced |
| Coverage Area (Sq. Feet) | 58.66 |
| Width (Inches) | 16 |
| Length (Inches) | 48 |
| Thickness (Inches) | 10.25 |
| Stud Spacing (Inches) | 16 |
| Framing Type | Wood studs |
| Package Type | Individual pack |
| Package Count | 11 |
| Total Package Quantity | 11 |
| Package Weight (lbs.) | 22.76 |
| Bag Dimensions (L x W x D) | 16.5 x 20 x 50 |
| R-Value per Inch | 2.9268 |
| Formaldehyde Free | Yes |
| Sound Barrier | Yes |
| Vapor Retardant | No |
| ENERGY STAR Certified | Yes |
| GREENGUARD Gold Certified | Yes |
| CA Residents: Prop 65 Warning(s) | No |
| For Use in Attics | Yes |
| For Use in Ceilings | Yes |
| For Use in Basements | Yes |
| For Use in Floors | Yes |
| For Use in Crawlspaces | No |
| For Use in Walls | No |
| 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 |
| Fits 2 x 4 Walls | No |
| Fits 2 x 6 Walls | No |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: Where can this insulation be used?
A: It’s intended for wood-framed applications such as attics, ceilings, basements, and floors (not for walls, crawlspaces, ducts, doors, or windows).
Q: Does it have a vapor retarder facing?
A: No—this is unfaced insulation and it does not include a vapor retardant.
Q: How do I install these batts?
A: They are designed to press-fit between 16-in on-center joists/studs; cut as needed around obstructions for a snug fit.
Q: How much area does one pack cover?
A: One pack covers 58.66 sq ft and includes 11 pieces.
Q: Is it formaldehyde-free and certified for indoor air quality?
A: Yes—listed as formaldehyde-free and GREENGUARD Gold certified.
Quiet warmth, beautifully effortless.
There’s a certain luxury in a home that feels serene—warm in winter, cool in summer, and hushed in all the right ways. These R-30 unfaced fiberglass batts slip neatly into standard framing, creating an invisible layer of comfort that elevates daily living. Use them to refine an attic or ceiling renovation so the rooms below feel more cocooned and calm. It’s the kind of behind-the-scenes upgrade that makes a space feel undeniably polished and indulgent.
Upgrade your attic comfort and quiet with R-30 unfaced fiberglass batts sized for quick, standard-fit installation.
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