SKU: 15139031081

Owens Corning R-13 Thermafiber Fire and Sound Guard Plus Mineral Wool Insulation Batts, 3.5" x 15" x 47" (8 Pieces)

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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2

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Description

Owens Corning R-13 Thermafiber Fire and Sound Guard Plus Mineral Wool Insulation Batts, 3.5" x 15" x 47" (8 Pieces)R 13 Thermafiber Fire & Sound Guard Plus Mineral Wool Batts Professional grade mineral wool batts deliver R 13 thermal performance with superior fire resistance and sound control for 2x4 interior and exterior wall cavities. Unfaced batts are easy to cut and install around irregularities, expanding to fit snugly for consistent coverage. Key Features: Thermal & Acoustic Protection: R 13 mineral wool delivers energy efficiency and excellent sound

R-13 Thermafiber Fire & Sound Guard Plus Mineral Wool Batts

Professional-grade mineral wool batts deliver R-13 thermal performance with superior fire resistance and sound control for 2x4 interior and exterior wall cavities. Unfaced batts are easy to cut and install around irregularities, expanding to fit snugly for consistent coverage.


Key Features:

  • Thermal & Acoustic Protection: R-13 mineral wool delivers energy efficiency and excellent sound dampening in 2x4 walls
  • Fire & Mold Resistance: Non-combustible, moisture-resistant, and mold-resistant mineral wool for safer, durable assemblies
  • Easy Fit Installation: Flexible batts cut cleanly with a serrated knife and expand to fill studs for a custom fit
  • Coverage Per Bag: 8 pieces cover 39.2 sq. ft.; each batt 3.5 in. x 15 in. x 47 in.
  • Unfaced Design: Ideal behind drywall or sheathing without a vapor retarder

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Insulation Type Mineral Wool Insulation
R-Value R13
Faced or Unfaced Unfaced
Roll or Batt Batt
Number of Pieces 8
Coverage per Bag 39.2 sq. ft.
Product Length 47 in (3.91 ft)
Product Width 15 in
Product Thickness 3.5 in
Compatible Install Surface Wood, Plywood
Insulation Location Interior & Exterior 2x4 Wall, Between Walls, Ceilings, Crawlspace
Bag Size 3.91 ft x 15 in x 16 in
Pack Size 1
Product Weight 22.87 lb
Warranty 3 Year Limited Warranty
UPC 047563723564

Frequently Asked Questions (FAQ):

Q: How many batts are in the bag and what area do they cover?
A: There are 8 unfaced batts per bag, covering 39.2 sq. ft.


Q: What wall framing is this sized for?
A: Designed for wood stud 2x4 walls with cavities 3.5 in. deep and 15 in. wide.


Q: Is the insulation fire resistant?
A: Yes, mineral wool is non-combustible and provides fire resistance per ASTM E136.


Q: Can it be cut to size?
A: Yes, it’s easy to cut with a serrated knife to fit around boxes, pipes, and non-standard cavities.


Q: Where can it be used?
A: Interior and exterior walls, ceilings, crawlspaces, and basement walls where R-13 is specified.


Quiet Strength for Modern Walls

These mineral wool batts bring a hushed, cocooning calm to any room while maintaining clean, architectural lines. I love the dense, unfaced profile—it slips neatly into 2x4 cavities and instantly elevates comfort with fire resistance and sound control. Pair it with smooth gypsum boards and matte hardware for a tailored, gallery-like finish. It’s a discreet essential that makes everyday living feel luxuriously serene.


Upgrade your walls with R-13 Thermafiber batts for quieter, safer comfort—add to cart now.

Warranty

Installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
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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
SKU: 15139031081

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4.0 ★★★★★
Based on 26 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Grantham, US
★★★★★ 5
Good spark
Plugs work well. Mower seams smoother
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
D
Verified Purchase
don
Los Angeles, US
★★★★★ 5
Works well!
Style: 16 oz
This stuff works well. I've only ever used it after my tires had been punctured and ran flat... I haven't had a flat this wouldn't seal... 3 uses so far all 3 have fixed flats and been many miles put on since the repairs. I start with as little as possible and if it doesn't seal I just add more, I think I've managed to use far less than recommended and successfully sealed punctures. I've only used it on fat tire e-bike tires. I'm pretty comfortable with the seal and I have no plans to replace the tubes, which saves me a fair amount of trouble. I will update if it springs any leaks without new punctures. It's very easy to use and actually pretty clean especially compared to automotive type tire repair foams. The first repair I used it for was a brand new bike that just wouldn't hold air in the rear, totally unsure what caused it to keep losing air but 2 or 3 small doses of slime fixed it. The most recent slime repair, I had a wobbly bike ride which felt weird and I couldn't figure out why but a few hours after I had returned home both tires were totally flat. They both had a handful or more of some really heavy duty thorns stuck in the tire that likely barely punctured the tubes but the rear tire also had a roofing nail in it. I did not think the slime was going to fill that one, it was a pretty heavy leak once I removed the nail, but Slime did seal it and I've since ridden the bike twice and in the same rough conditions I normally would still holding strong at higher pressure than I normally ride, have yet to drop back down since refilling but I am hoping and expecting it won't be a problem. Two thumbs up. I always keep a small tube in my bike bag and I am confident if I ever need it while I'm out and about it will be useful.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
A
Verified Purchase
Artie
Omaha, US
★★★★★ 5
Who can live without slime great stuff and a good price. 👍
Style: 32 oz
If anyone has an outdoor anything that takes air. You should never be caught without this stuff. It seals your tires on almost anything and it lasts longer than you would expect. It’s easy to use and easy to clean up after using it. It will work well for anything that is supposed to hold air. Great product.
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Reviewed in the United States on April 11, 2026
M
Verified Purchase
Mudd
New York, US
★★★★★ 5
Title: Reliable, Easy-to-Use, and Worth Every Penny
Style: 32 oz
I’ve been using Slime tire sealant for my fat tire e-bike, and I can say with confidence that this product delivers exactly what it promises. The application is simple, the results are consistent, and the peace of mind it provides is invaluable. For anyone who rides regularly — whether for commuting, recreation, or deliveries — this is a product that pays for itself many times over. The first thing I appreciate about Slime is how easy it is to install. The bottle is well-designed, the instructions are clear, and the process takes just a few minutes. You simply deflate the tire, remove the valve core, squeeze in the recommended amount, reinstall the valve core, inflate, and spin the wheel to distribute the sealant evenly. No special tools, no mess, and no guesswork — just a straightforward, user-friendly process. Performance-wise, Slime does exactly what it’s supposed to do: seal punctures quickly and effectively. I’ve had nails, thorns, and sharp debris puncture my tires while riding, and in every case where the leak was within the tread area, Slime sealed it instantly. There’s something incredibly reassuring about hearing that faint hiss of air for a second, then watching it stop as the sealant does its job. It’s a real-time reminder that this product is actively protecting you from being stranded. What sets Slime apart from other sealants I’ve tried is its durability. Once applied, it stays active inside the tube for months, ready to respond to new punctures as they happen. It doesn’t dry out quickly, it doesn’t clump up, and it doesn’t cause balance issues with the tires. For someone who rides almost daily, that reliability is a huge plus. Another thing I respect about this product is that it’s non-toxic and environmentally friendly. If a bit of sealant escapes during a repair, I don’t have to worry about it harming the environment. It’s also water-soluble, making cleanup easy if I ever need to replace a tube or tire. That attention to safety and sustainability shows that the company isn’t just making a great product — they’re doing it responsibly. The value for the price is excellent. One bottle goes a long way, and when you factor in the cost of replacing tubes, paying for roadside repairs, or even the inconvenience of being late because of a flat, Slime is an investment in both savings and peace of mind. For delivery riders like me, it’s especially valuable — every flat avoided means another day of work uninterrupted. In short, Slime is one of those rare products that I can recommend without hesitation. It’s easy to use, effective, long-lasting, and backed by a company that clearly understands the needs of cyclists and e-bike riders. It has already saved me from countless headaches, and I plan to keep a bottle on hand at all times. If you ride regularly and haven’t tried it yet, you’re taking an unnecessary risk — this is one of the best preventative tools you can add to your maintenance kit. Verdict: Five stars for performance, ease of use, and overall value. Slime is a must-have for any serious rider who values reliability and wants to keep rolling no matter what’s on the road.
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Reviewed in the United States on August 11, 2025
D
Verified Purchase
Dina Stewart
Birmingham, US
★★★★★ 4
Slime is good, pump is a disaster
Style: 1 gal, Style: 1 gal
The only reason I am giving this a 4 star(not zero) rating is the slime itself. The actual pump on the 1 gallon canister is awful. It makes so much mess, so I do not know whether I pumped the slime into the tubes or it all just spilled out of the base of the pump. The bottles worked great, but this time I needed to use more slime for a bunch of tires. What a slimy mess that was. Very poor pump design. Only after I spilled who knows how much of the slime, I finally washed it and was able to see the problem. The cap at the base of the pump got unscrewed and let all the slime lose. I screwed it back up and this should fix the mess next time I use it. Just a heads if someone encounters the same issue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 22, 2026

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