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Description
Johns Manville R-11 Unfaced Fiberglass Batt Insulation, 23 in x 93 in (237.66 sq ft, 16-Pack)R 11 Unfaced Fiberglass Batt Insulation (23 in x 93 in) Johns Manville R 11 unfaced fiberglass batts deliver reliable thermal performance and added sound control for 2x4 wood stud wall cavities. Pre cut to fit standard 8 ft walls with 24 in on center framing, they press fit easily and can be added over existing insulation since theres no vapor barrier. Key Features: Designed for Standard 2x4 Cavities: Pre cut batts fit 24 in on center wood stud walls
R-11 Unfaced Fiberglass Batt Insulation (23 in x 93 in)
Johns Manville R-11 unfaced fiberglass batts deliver reliable thermal performance and added sound control for 2x4 wood-stud wall cavities. Pre-cut to fit standard 8-ft walls with 24-in on-center framing, they press-fit easily and can be added over existing insulation since there’s no vapor barrier.
Key Features:
- Designed for Standard 2x4 Cavities: Pre-cut batts fit 24-in on-center wood-stud walls and standard 8-ft wall heights.
- Unfaced for Flexible Use: No vapor retarder, making it easy to add to existing insulation where appropriate.
- Thermal + Sound Performance: Helps improve energy efficiency while reducing sound transmission through wall assemblies.
- Easy Press-Fit Installation: Simple to install between studs; trim as needed around obstructions.
- Durable, Noncorrosive Fiberglass: Will not rot, mildew, or deteriorate and is noncorrosive to pipes, wiring, and metal components.
Specifications Table:
| Specification | Details |
|---|---|
| Insulation Type | Fiberglass |
| Faced/Unfaced | Unfaced |
| Maximum R-Value | 11 |
| R-Value per Inch | 3.1429 |
| Width (Inches) | 23 |
| Length (Inches) | 93 |
| Thickness (Inches) | 3.5 |
| Coverage Area (Sq. Feet) | 237.66 |
| Package Count | 16 |
| Total Package Quantity | 64 |
| Package Type | Multi-pack |
| Multi-Pack Quantity | 4 |
| Package Weight (lbs.) | 37.08 |
| Bag Dimensions (L x W x D) | 20 x 20 x 50 |
| Framing Type | Wood studs |
| Stud Spacing (Inches) | 24 |
| Fits 2 x 4 Walls | Yes |
| Fits 2 x 6 Walls | No |
| Sound Barrier | Yes |
| Vapor Retardant | No |
| Formaldehyde Free | Yes |
| ENERGY STAR Certified | Yes |
| 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 |
| For Use in Floors | No |
| For Use in Doors | No |
| For Use in Windows | No |
| For Use in Garage Doors | No |
| For Use in Duct | No |
| For Use in Electrical | No |
| For Use in Masonry | No |
| For Use in Plumbing | No |
| For Use in Vents | No |
| CA Residents: Prop 65 Warning(s) | No |
| UNSPSC | 11162400 |
Frequently Asked Questions (FAQ):
Q: What wall framing is this batt sized for?
A: It’s sized for 2x4 wood-stud walls with 24-inch on-center stud spacing.
Q: Is this insulation faced or unfaced?
A: Unfaced—there is no vapor barrier.
Q: Can I add this over existing insulation?
A: Yes. Because it’s unfaced, it can be added to existing insulation where appropriate for your assembly.
Q: How much area does one package cover?
A: One package covers 237.66 sq ft.
Q: Does it provide any sound control benefits?
A: Yes, it’s rated as a sound barrier and is designed to help reduce sound transmission.
Quiet comfort, beautifully concealed.
Think of this as the invisible layer that makes a room feel finished—warmer, calmer, and subtly more refined. These unfaced fiberglass batts slip into the architecture with a clean, no-fuss fit, supporting both thermal comfort and sound control behind the walls. Use them to turn bedrooms, offices, or media rooms into spaces that feel hushed and composed. It’s the kind of behind-the-scenes essential that elevates everyday living into something quietly luxurious.
Upgrade your walls with R-11 unfaced fiberglass batts for an easy-fit boost in comfort, efficiency, and sound control.
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
4.1 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great starter Field Watch. Rugged but simple and elegant.
Color: Black/Black/Brown, Color: Black/Black/Brown
I've been wanting to own a field watch for a while. I never got used to smart watches anyway, so I decided to go for a good brand that doesn't cost too much. I decided for this Time Expedition because it gas a good balance between rugged looks, simplicity and elegance. It's perfect for wearing every day, but also great for when you need to dress up as well.
If you are planning on getting this watch, be aware that the seconds are tracked on the small dial at the bottom. The large "seconds" hand it's meant for the chonograph feature, so it will sit static at the zero mark until you start the chonograph.
You also need to set it up out of the box. It's a simple process to set up the time, the date and reset the small dials in the zero position. The watch came without a manual, but there are plenty of videos on Youtube showing how to set up and use this exact model
The band is simple but elegant. It looks like nobuck but it's not really real leather. I can't say how durable it is yet or how long it will look over the time, but Timex is respectable enough so I expect this band to last several months. It can be replaced and there are lots of aftermarket options so I don't worry about this.
As other Expedition watches, it also comes with the Indiglo feature. You can activate night mode by pushing down the main button, then the entire face lights up. When using this feature, I noticed that the hands (being white) do not have a good contrast against the lit up face, but you get used to it. The hands themselves are bright under low-light conditions, so you don't really need the Indiglo feature unless you need to see other details from the watch
Anyway, I'm very happy with this purchase.
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Reviewed in the United States on May 13, 2026
★★★★★ 3
Did not arrive in original packaging, though I do like the watch.
Color: Black/Black/Brown
The watch is great, I love it. I've had it for a week now and it's comfortable, functional, and stylish. However, I'm giving it only 3 stars because of how I received it. It was delivered in a ziplock sleeve with the warranty sheet stuffed in a bubble wrap package. I bought what was described as a new product, but it did not come in the original package, nor owners manual. I had to find the manual from the manufacturer's website in order to set the dang thing!! It begs the question... Did I really receive a genuine Timex timepiece? Either way, so far I'm happy with the product with the exception that the second hand on the stop watch sits about half a click left of noon. I have not yet tested the water resistance, which I'm a little apprehensive about since there seemed to be some sort of light colored lubricant or seal around the crown. I'll have to try it before my time frame for returns has passed. All in all, I would buy it again, just not from amazon fulfillment!
UPDATE: I haven't worn the watch in over a year because the crown used to set the time has popped off. Spent no small amount of time trying to find a replacement, but I can't find good measurements for it. Would have to have access to an assortment and go by trial and error.... I guess it still deserves 3 stars?
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Reviewed in the United States on February 4, 2017
★★★★★ 5
Takes a Licking and Keeps on Ticking
Color: Green/Black
I love this watch despite the fact that it is really a toy. I love the look of the watch, I love how lite the weight of the watch is on my wrist, and it really does keep good time if you manage the solar charge properly. Other than looking cool on your wrist, this watch has absolutely no functions other than time keeping. The black plastic bezel is molded into the case and does not turn, so don't plan on using that. The watch has no light, the dial numbers are non-luminous and the hands are very limited in terms of luminosity. No buttons. All you can do is adjust the time and date by pulling out what used to be a winding stem in the good old days.
The small tag on the strap with Geographic coordinates shown on it indicate the location of the old Timex manufacturing facility (SW of Waterbury, CT).
I have a nice ledge at my bedroom window and it gets good western sun for a good part of the day regardless of the time of year. On this ledge you will find a half dozen solar powered watches (mostly Casio) properly aligned to maximize the charge they may receive each day. Note that the description for this Timex watch specifically states that a lightbulb won't charge this watch. You need direct sunlight for several hours if you want to get more than a 3-week charge into this watch.
So, I'll leave you with a couple of tips, my friends; 1.) If you are looking for a first watch to give your outdoorsy oriented Son or Daughter, then give them this one. Why? Because it is cool looking, fairly well built, and it actually works, 2.) After you receive your Timex watch, be sure to keep the display mount it is packaged with. It makes a great fixture to mount your watch on for charging and allows you to maximize the position of the solar cells on the dial so that you can optimize charging time.
Have Fun!
Jimmy
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Reviewed in the United States on February 28, 2026
★★★★★ 5
Excellent value, flawless performance for well over a year and no signs of quitting.
Color: Green/Black
Excellent value, had this for well over a year and it still keeps perfect time, still water resistant.
No worries about having to change batteries.
Owned a fancy expensive (battery) watch once and the dept. store repair intentionally sabotaged the watch in the hopes I would purchase another from them. Yeah, good luck with that, lost my business forever.
This is the 21st century, cell phones are the new time pieces, but solar is totally reliable and Timex makes it happen.
Holds a charge for many months, although I prop it in a bright window for a few days every few months or so just to make sure the cells are always fully charged, although it's probably unnecessary, just being over cautious. I haven't actually experienced this watch ever running out of power even after months of use. Damn impressive, as it should be.
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Reviewed in the United States on October 12, 2025
★★★★★ 4
Good value for solar watch
Color: Black/Orange
Nice watch! It is plastic like but it is solar. No indiglo button only a little luminous on the hands so you don't want to wear it in tje dark and expect to check the time. 45mm case is good size for my wrist and the band works good also, Not too long not too short. Overall a good watch with no problems
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Reviewed in the United States on May 6, 2026
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