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Description
Johns Manville R-13 Kraft-Faced Fiberglass Batt Insulation, 106.56-sq ft Coverage, 15-in W x 93-in L (11 Batts)R 13 Kraft Faced Fiberglass Batt Insulation, 15 in x 93 in Johns Manville R 13 kraft faced fiberglass batts deliver thermal performance and sound reduction for 2x4 wood stud walls. Pre cut to 15 in x 93 in, this formaldehyde free insulation includes an integral kraft vapor retarder for easier installation and moisture control across 106. 56 sq ft of coverage per bag. Key Features: Energy Saving R 13 Performance: Helps improve home efficiency in 2x4
R-13 Kraft-Faced Fiberglass Batt Insulation, 15-in x 93-in
Johns Manville R-13 kraft-faced fiberglass batts deliver thermal performance and sound reduction for 2x4 wood-stud walls. Pre-cut to 15 in x 93 in, this formaldehyde-free insulation includes an integral kraft vapor retarder for easier installation and moisture control across 106.56 sq ft of coverage per bag.
Key Features:
- Energy-Saving R-13 Performance: Helps improve home efficiency in 2x4 walls while reducing heating and cooling costs.
- Built-In Vapor Retarder: Kraft facing provides moisture control and staples to studs for secure placement.
- Easy, Pre-Cut Batts: 11 pieces sized for 16-in on-center framing; simple press-in installation.
- Durable, Safe Composition: Formaldehyde-free fiberglass that won’t rot, mildew, or corrode metal components.
- Indoor Air Quality Certified: GREENGUARD Gold and SCS Recycled Content certified for low emissions.
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Fiberglass |
| Faced/Unfaced | Kraft faced |
| Maximum R-Value | R-13 |
| R-Value per Inch | 3.7143 |
| Width (Inches) | 15 |
| Length (Inches) | 93 |
| Thickness (Inches) | 3.5 |
| Coverage Area (Sq. Feet) | 106.56 |
| Total Package Quantity | 11 batts |
| Package Type | Individual pack |
| Package Count | 11 |
| Package Weight (lbs.) | 26.41 |
| Framing Type | Wood studs |
| Stud Spacing (Inches) | 16 |
| Fits 2 x 4 Walls | Yes |
| Fits 2 x 6 Walls | No |
| Formaldehyde Free | Yes |
| Sound Barrier | Yes |
| Vapor Retardant | Yes (kraft facing) |
| ENERGY STAR Certified | Yes (program partner) |
| GREENGUARD Gold Certified | Yes |
| Warranty | 1-year limited |
| For Use in Walls | Yes |
| For Use in Basements | Yes |
| For Use in Crawlspaces | No |
| For Use in Ceilings | No |
| For Use in Attics | No |
| CA Residents: Prop 65 Warning(s) | No |
| Bag Dimensions (L x W x D) | 49 in x 15.5 in x 20 in |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: How much area does one package cover?
A: Each bag covers 106.56 square feet with 11 pre-cut batts.
Q: What wall framing is this intended for?
A: Designed for 2x4 wood-stud walls with 16-in on-center spacing.
Q: Is the product faced?
A: Yes, it is kraft-faced with an integral vapor retarder.
Q: Can it be used for sound control?
A: Yes, fiberglass batts help reduce sound transmission through walls.
Q: Is it formaldehyde-free and certified for indoor air quality?
A: Yes, it is formaldehyde-free and GREENGUARD Gold certified.
Quiet Comfort, Seamlessly Wrapped
This insulation cocoons your walls in a soft hush, elevating everyday rooms into serene retreats. The warm kraft facing offers a tailored, architectural look during build-out while its R-13 core tempers seasonal swings. Pair it with crisp drywall and matte black fixtures for a modern, composed envelope. It’s a discreet luxury—comfort you feel, not see.
Upgrade your 2x4 walls with JM R-13 kraft-faced batts today for easier installs, quieter rooms, and year-round efficiency.
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
4.9 ★★★★★
Based on 533 reviews
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Product Reviews
★★★★★ 5
So far, so good
Color: Black, Number of Items: 1, Color: Black, Number of Items: 1
When Covid hit early 2020, I was sent home to work remotely for the first time in my working life. However, my old chair that is pictured on the right is about 25 years old and no longer has any butt cushion. It quickly became painful to work in that chair all day. I have since moved to a new state and found a remote job I will be starting soon so I decided it was time to upgrade the chair. This is a decent chair if you are on a budget like I am and you are not hard on your stuff adding premature wear and tear. For me, it has good lumbar support which I needed, and more cush for the tush! I am a proportionate 5'2" female and about 125 to 130 pounds. The seat has just enough room for my butt but I don't think I would recommend this for larger people. I would look into sizing up to the big and tall chair. Take note of the seat and back size to know what would work best for you but this chair feels small yet good sized for me only because I was able to go by the measurements of my old chair. Might even be best for you to go into an office supply store to test out chair sizes for comfort before making a purchase. Sometimes I like to sit criss-cross applesauce and this chair has a very nice and smooth rocking motion after loosening the tight/loose knob for reclining and is so comfortable for me that I may fall asleep on the job and get fired. The back of the chair hits just above my neck so I am able to tilt my head back a bit to let it rest since my upper back and neck sometimes go numb after sitting for too long. Ugh, it's just so much fun getting older!!
Assembling the chair was easy until I got to step 4 to put the back of the chair on. If you have another person to hold the chair back for you to align with the chair arm holes and screw in, then you should be OK, but since I had no one to help, I had to take the seat off and lay it down. I still struggled to align the back while the arms were attached to the seat so I removed the arms from the seat and attached them to the chair back and then aligned the seat with the arms and screwed them in. Once done, I inserted the completed assembled seat, chair back, and arm attachments back onto the wheels. The wheels glide very easily and will take you across the room after one push.
I am writing this review the same day I got the chair so will update if I run into any issues. Otherwise, I recommend this chair.
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Reviewed in the United States on February 22, 2022
★★★★★ 4
Comfortable but lack of back support on this chair
Color: Black, Number of Items: 1, Color: Black, Number of Items: 1
I give this chair a 4 star not a 5 star review. Reason for that if you look for the first picture I pst you can see from the back of the chair how it reclines. There is no adjustment to make the back rest come up straight so when your working all day at the desk you is an upright right position. I have to put a pillow behind my back for support cause while working leaning back is uncomfortable and who wants to lean back while working. so there is a lack of back support. .Great gaming chair for that reason. Though I really like the looks and the color of the chair. The material was very soft and the quality was made well. The chair you can make go up or down for the height which is nice. The ability to be able to move the char around while sitting is a plus and the wheels move smooth and with ease. I had to put this together which was simple to do and came with everything I needed when open the box. So before buying if the back support and leaning back isnt an issue for you then this would be the perfect chair for you. Please not the first picture with the darker rug is the chair I got , second picture isnt mine but for a review that their chair was up straight. Isnt the way mine should have come. I didnt questioned or return it because it was so heavy and bulky to take back to a UPS store. I just kept it because everything else was great.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
Beautiful chair with real leather
Color: Light Brown, Number of Items: 1
BEAUTIFUL CHAIR.... so comfortable and worth the price. Extremely easy to put together!! Highly recommend.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Great price and Quality
Color: Khaki, Number of Items: 1
Best money ever spent on an office chair. At the time of purchase, it was less than half the price of local retail stores. Once we received it and put it together, it was top notch. Better than expected. Now time will tell how long it stays that way. Very comfortable, strong material, and easy to adjust.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Comfortable Even After Long Hours
Color: Black, Number of Items: 1
I purchased this chair for my husband’s home office, and it has been a great choice.
The height and angle can be adjusted very easily, making it comfortable to customize. Assembly was also simple and straightforward.
The size is just right, and it remains comfortable even after sitting for long periods of time without causing fatigue.
Overall, the quality exceeded my expectations for the price. If it ever breaks, I would definitely purchase the same one again.
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Reviewed in the United States on May 11, 2026
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