Most car owners will find themselves by the side of the road with a tire failure at some point due to a screw, nail, or other sharp objects. These punctures often lead to a loss of air, which can make driving unsafe and/or impossible. If you don't have access to a spare tire and you're stranded on the side of the road due to a flat tire, there is a solution that doesn't involve calling a tow truck for help.
Tire sealants are a great way to quickly repair a slow-leaking tire, and they can also be used for preventative measures. You can easily store this product in the trunk or other area of your vehicle for emergencies. The best tire sealants are affordable and easy to use, but they're not all created equally. We did the research and found some of the best options, so you'll be prepared the next time the unexpected occurs.
Best Overall
Slime Emergency Tire Repair Sealant
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Summary
A strong and fast-acting tire sealant capable of filling 1/4-inch punctures.
Best Value
Fix-A-Flat Tire Sealant and Car/SUV Tire Inflator
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Summary
Designed for cars and SUVs, this tire sealant is 24 ounces and can be used on extra-large tires. It fixes punctures up to 1/4-inch.
Honorable Mention
TireJect Tire Sealant Kit
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Summary
This formula is available in 10, 20, or 40 ounces as well as a one-gallon container.
It can fill punctures up to 3/8-inch.
Our reviews are driven by a combination of hands-on testing, expert input, “wisdom of the crowd” assessments from actual buyers, and our own expertise. We always aim to offer genuine, accurate guides to help you find the best picks.
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I took several factors into consideration when choosing the best tire sealants. First, I focused on well-known brands that have a reputation for producing high-quality products. I also looked at the effectiveness of each item.
Using user testimonials as a reference, I compared how each sealant performed in real-world conditions in order to determine how well they functioned overall.
I included products that are both solutions to a puncture and I made sure to pick products that can be used on a variety of different tires, from passenger cars to larger pickup trucks. I also included items in a wide range of prices to suit a variety of budgets. For more information on our methodology, go here.
Slime Emergency Tire Repair Sealant
While the name may be gross, Slime tire sealant is one of the most effective sealants on the market.
It is capable of filling punctures up to 1/4-inch, which is around the size of a normal screw or nail. It’s a great preventative measure to help fight against the possibility of full tire blowouts.
This small and powerful formula is fit for cars, trucks, SUVs, ATVs, trailers, and RVs. Plus, it’s compact enough to take with you, no matter where you plan on driving. One of the best features we found is that the bottle comes with its own valve core removal tool, giving you easy access to prevent leaks in your tires.
However, if you are using it for a car or trailer, there is a restriction on how fast you should drive. It’s only effective at speeds up to 65 mph, and should only be used as a quick fix if you tend to drive at speeds around this mark.
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This simple small yet effective tire sealant is capable of making sure a large tire holds its air until you get it properly taken care of.
Its compact bottle means you can take it with you and quickly use it in case you have a tire emergency. You can easily check what tires Fix-A-Flat fits by checking out the guide on their website.
It is able to fully block a puncture up to 1/4-inch. While it isn’t a permanent fix, it will last long enough for you to drive it to the shop or back home. It’s easy to attach to your tire nozzles as well, giving you more time to get back on the road and less time worrying about how much air you’ve lost. It’s nontoxic, noncorrosive, and nonflammable as well, making it safe for the environment. It’s also safe to use on cars with a TPMS monitoring system.
While it may be fast-acting, you will have to move the car to the right position in order for the compound to take hold effectively. That means you have to make sure to park where the puncture is at the six o’clock angle, which can be difficult to do by yourself.
When ordering this tire sealant, you have the option of choosing 10, 20, or 40 ounces.
You can also choose to order a one-gallon container. The sealant is a liquid rubber mixture that contains tire particles and Dupont Kevlar fibers. Every 10 ounces of sealant comes with one bladder bag and one injector tool. You can use this repair kit to repair punctures in your tires from screws, nails, thorns, or anything else. The sealant only works on punctures that are up to 3/8-inch.
You’ll find this sealant system is easy to use, thanks to the included injector tool. You connect it to your valve stem for a mess-free installation. You can even install this sealant on all four of your tires and prevent future flats for the next year.
This tire sealant is meant for use with motorcycle tires.
It will balance and seal your tire by evenly coating the inside surface of your tire. If your tire suffers a puncture while you’re riding, the centrifugal force of your rotating tire and the internal air pressure will move the Ride-On sealant into the hole. This will instantly seal it. This will work on punctures that are up to 1/4-inch in tubeless tires and 1/8-inch in tube tires.
You’ll like that this sealant turns your tires into self-sealing tires. They’ll also eliminate the need for ugly wheel weights. This sealant is specifically designed for use in high-speed tires. It’ll improve the performance of your motorcycle tires by dampening road vibration and noise.
This tire sealant comes in a variety of sizes based on your needs: 8, 16, or 32 ounces or a one-gallon container.
It will instantly seal your pneumatic tires and tubes. It protects against thorns, screws, and any other sharp objects. To use, extend the included hose and attach it to your tire valve. Then use the reliable pump action nozzle to dispense the sealant into your tire.
What’s nice about this sealant is that it specifically states that it’s safe for use with a variety of metals. This includes chrome, steel, and alloys used in wheel making. You can confidently use this sealant without worrying that it will ruin your wheels. It also stays liquid and won’t corrode or cause rust.
The Slime 50107 Kit contains two distinct elements: a powerful tire inflator and the emergency tire repair sealant.
Instead of having to use a jack to change out the punctured tire, leave that hassle behind. The sealant is tire sensor safe and works well with standard car tires. The Slime tire sealant repairs tread area punctures up to 1/4-inch in diameter. Along with the kit’s included inflator, you can repair and inflate the tire within 15 minutes. Simply plug the tire inflator into your vehicle’s 12-volt accessory power outlet to get it started. It features a quick connect air hose and a built-in tire pressure dial gauge. The 16-ounce bottle of the emergency non-toxic tire sealant instantly seals punctures. The process is simple and hassle-free.
However, some users have experienced issues with the product going dead and not working when they needed it. Some actually lost more air after using this sealant.
Whether you drive a car or truck or ride a motorcycle, STP Tire Fix Sealant and Inflator works well without any tools required.
The non-flammable formula seals punctures that are up to 1/4-inch in diameter, it is easy to clean up with water, and it will hold air for as long as three days.
The product is also safe to use with tire pressure monitoring sensors. We like that this product is so easy to use: just fill up the tire to seal and inflate it, and go. Sixteen ounces fills a standard-sized tire, while 20 ounces fills larger tires. Overall, it's great for emergencies and is a short-term solution. The company recommends going to a repair shop for inspection and a permanent fix within a couple of days after application.
Slime Emergency Tire Repair Sealant is well-known in the industry and can repair screw or nail punctures up to 1/4-inch long. It can be used on cars, trucks, SUVs, ATVs, RVs, and more. It includes a valve core removal tool to make the process easier. For a slightly more budget-friendly option, consider the equally effective Fix-A-Flat Tire Sealant and Car/SUV Tire Inflator.
Aerosol tire sealant is one of only two types. A single-use product, aerosol sealant is for emergency repairs that will allow you to drive short distances on a punctured tire. It comes in a bottle that sprays, allowing a simple application to fill holes in the tire with great accuracy. When you spray the product into the valve, the punctured tire will inflate. The formula coats the inside of the tire to plug any leaks or holes.
The second type of sealant for a punctured tire comes in the form of a thick gel. Using the gel option can be a bit more difficult than the aerosol tire sealant, as it is harder to put in place. Plus, it can be messier due to its slimy substance. To use the gel sealant, you will usually need tools or equipment to make sure the tire is properly sealed and no longer leaking air.
Many tire sealants are very affordable and cost between $10 and $20. These products are often at least 16 ounces in size and work as promised. They are no-frills, but they get the job done. If you spend upwards of $60, you will often find much larger sealant containers or those that are part of a kit, which can include items such as tire inflators. If you have room in your vehicle for a kit, it may be worth storing one in your trunk due to the added features, such as accessories for inflatable and carrying bags.
You’ve got questions. The Drive has answers.
Tire sealants are for temporary use and not a permanent solution. The tire sealant’s purpose is to get you to the nearest gas station, automotive shop, or dealership to fix the tire. Depending on the amount of damage to the tire, you may need to get a brand-new tire put on the vehicle.
Tubeless tire sealant should last an average of two-six months. However, the life span depends on several factors, such as temperature, humidity, driving frequency, tire casing thickness, and the number of punctures.
This depends on the type of tire sealant and the brand. Each product should state how long they last, but generally they can last up to two years before needing to replace the tires.
A: This varies on the size of the tire you are trying to fill the puncture in. A lawn mower tire is smaller and therefore doesn’t need that much product. However, a Jeep tire is larger and will typically need an entire bottle of tire sealant.
A: You inject the tire sealant through the valve or tire nozzle.
After completing that step, you then fill the tire with air until it is at the required amount.
Almost a third of new vehicles don't come with a spare tire, but that's no reason to pick up this problem-causing goo.
BY:
SEAN FLYNN
DealNews Contributing Writer
You might get it because a tow feels too expensive. You might get it because it seems easier than changing a tire. You might get it because you don't have a spare. But no matter why you're picking up that can of tire sealant, our advice is: don't!
If you're tempted to replace your spare tire with a can of Fix-a-Flat, Slime, or some other tire sealant, read on to see why stop-leak solutions are a terrible idea for tire repair.
These products inject a sealant into your flat tire to seal the leak, and a gas to fill the rest of the tire.
But sealants leave goo inside the tire, and it's a real hassle for tire shop employees to get all of it off the wheel when they do a tire repair — especially if it's dried on. That could cost you when it's time to replace the tire; worse, the substance could even damage an otherwise repairable tire.
Tire sealants can potentially damage an otherwise repairable tire.
Sure, Fix-a-Flat's FAQ says its product "will not cause harm to most tires when used as directed." But which tires aren't included in that "most tires" caveat? Are your tires the wrong ones? Who knows! It's better to carry a spare tire — or opt for roadside assistance, which will cover more than just flat tire issues.
Tire sealant can freeze, making it unsuitable for most winters in the U.S. If it freezes in the can, you'll have a heck of a time defrosting it — time you could be waiting for a tow truck instead. Even if you thaw the tire goo out, it could still refreeze inside your tire, knocking your wheel out of balance.
Run-flat tires exist. According to research from AAA, 28% of 2017 model year vehicles didn't come with a spare. If you drive one of those cars, you can bet dollars to doughnuts there are run-flat tires either on or available for your car. Depending on the tire type, they can allow you to drive cautiously on a flat tire for up to 100 miles without damaging your wheel. Nearly every new BMW, many Cadillacs, plenty of Mercedes, and even some Toyotas come with run-flats — just to name a few.
SEE ALSO: Which Motor Oil Is Best for YOUR Car?
Tire sealant is only useful if you've got a slow leak in the tire or a small hole. If you suffer a more serious encounter — say, with construction debris — the tire goo will not save you. But you won't know if your tire is beyond repair until it's spewing slime all over itself on the side of the road — and maybe all over you.
Every new car sold in the U.S. in the last decade or so has had a tire pressure monitoring system, which can alert you to a leaking tire before it becomes a critical issue. Tire sealants can clog your TPMS. If it's not cleaned promptly, this could ruin a sensor.
Tire sealants can clog your tire pressure monitoring system. If it's not cleaned promptly, this could ruin a sensor.
A clog isn't the only thing to worry about. If you leave some sealants in the flat tire for too long, this could also damage a sensor. Still, some tire sealant companies insist their product is TPMS-safe — and some car manufacturers specifically say not to use tire sealants.
If you're a motorcycle rider, tire sealants definitely aren't for you. Tire sealants like Fix-a-Flat and Slime are intended for use in the tubeless tires found on cars and trucks. Some motorcycle tires still have tubes, and the goo won't even seal a tube leak, much less keep it closed. Further, throwing the wheel balance out of whack is more dangerous on a motorcycle than a car.
Even sealant brands such as Fix-A-Flat warn against using their products on motorcycles.
If you're too busy to deal with and fix a flat tire properly, you're definitely too busy to deal with a costly car repair.
When you fill a tire with goo, you're supposed to proceed directly to a tire repair professional. But sometimes it's Sunday, the shop is closed, and you can't get there until Monday evening because you still have to go to work. But then you have just one more errand to run, and then it's time for dinner.
SEE ALSO: 5 Ways to Prepare Your Car for Winter
Whatever the reasoning, if the sealant sits for too long, it can harden and corrode your wheels. Maybe it'll freeze, or dry funny, and now your tire is severely out of balance. Maybe it takes out your TPMS sensor. Suddenly that cheap repair costs hundreds of dollars.
Manufacturers once used dimethyl ether for the gas in Fix-A-Flat, which is highly flammable. Road debris stuck in your tire could create sparks, potentially igniting that compressed gas. Luckily, this isn't the case anymore.
Any canned compressed gas is dangerous if you throw it into a fire. But manufacturers have generally switched to using HFC-134a (or a comparable propellant) in tire sealants, which is nonflammable. If you've got an ancient can of sealant lying around, dispose of it carefully. But if your tire sealant uses a nonflammable gas like HFC-134a, there's no need to worry about explosions.
You still shouldn't use it, though.
Readers, do you carry a can of tire sealant in your car? Or do you opt for a spare tire and/or roadside assistance? Let us know how you fix a flat tire in the comments below.
Sean Flynn
DealNews Contributing Writer
Sean is a freelance writer and photojournalist working in the Hampton Roads region.
He has been a writer, adventure motorcyclist, drag racer, data nerd, shade-tree mechanic, and tornado chaser. Recommend good beers to him on Twitter at @wxgeek.
DealNews may be compensated by companies mentioned in this article. Please note that, although prices sometimes fluctuate or expire unexpectedly, all products and deals mentioned in this feature were available at the lowest total price we could find at the time of publication (unless otherwise specified).
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Almost every motorist in the process of using his vehicle has encountered tire damage , whether it be a puncture, a side cut or a hernia. And as a rule, this problem appears at the most inopportune moment. In order to qualitatively and quickly carry out car tire repair , it is better to immediately contact a tire shop.
Let's take a closer look at the possible cases of car tire repair:
Such damage is difficult to repair. It is necessary to carefully monitor the good condition of the tires of your car, and in case of damage, carry out repair of car tires in time, tire fitting in Nizhny Novgorod KOLOBOX will help you with this.
You can use the convenient form to make an appointment at a convenient time: make an appointment for a tire fitting
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| First aid kits for repairing pneumatic tires and tubes | |||
No. | Product name | Type | |
| 1 | For the repair of tire tubes of cars, tractors, agricultural machines | ARK-1 | |
| 2 | For repairing tires and inner tubes of cars, trucks, tractors and agricultural machines | ARSH-1 | |
| 3 | For the repair of tires and inner tubes of cars, trucks, tractors and agricultural machines in plastic packaging | ARSH-1(P) | |
| 4 | For repairing tubeless passenger car tires | ARB-1 | |
| 5 | For repairing tubeless passenger car tires in plastic packaging | ARB-1(P) | |
| 6 | For repairing tires and inner tubes of motorcycles, mopeds and scooters | ARM-1 | |
| 7 | For repairing bicycle tires and tubes | ARV-1 | |
| 8 | Tire repair for cars, tractors and agricultural machines (garage kit) | ARG-1 | |
| 9 | For repairing tubeless tires of KAMAZ vehicles | ARB-G | |
| 10 | For the repair of tires and tire tubes of KAMAZ vehicles | ARK-G | |
| 11 | For the repair of tires and tire tubes of heavy trucks BELAZ | ARSh-B | |
| 12 | Repair kit for rubber goods with self-vulcanizing materials | NRI (SVM) | |
| 13 | Car camera repair kit | KRK | |
| Tire and tube repair consumables | |||
No. | Product name | Type | Leg size, cap |
| 14 | Rubber fungi for repairing punctures of all types of tires with working pressure up to 4 kg/cm2 | G-1 (27pcs) | (7 x38) mm |
| G-2 (27pcs) | (9x50)mm | ||
| G-3 (21pcs) | (11x60)mm | ||
| G-4 (15pcs) | (13x70)mm | ||
| G-5 (14pcs) | (15x80)mm | ||
| 15 | Rubber fungus with long stem, with adhesive cap and stem for puncture repair of all types of tyres, working pressure up to 4 kg/cm2 | G-1A (27pcs) | (7x38)mm |
| G-2A (27pcs) | (9x50)mm | ||
G-3A (21 pcs. ) | (11x60)mm | ||
| G-4A (15pcs) | (13x70)mm | ||
| G-5A (14pcs) | (15x80)mm | ||
| 16 | Rubber mushrooms with reinforced cap (with cord) for repairing punctures in all types of tires with operating pressure up to 8 kg/cm2 | G-2U (27pcs) | (9x50)mm |
| G-3U (21 pcs.) | (11x60)mm | ||
| G-4U (15pcs) | (13x70)mm | ||
| G-5U (14pcs) | (15x80)mm | ||
| G-6U | (15x120)mm | ||
| G-7U | (18x150)mm | ||
| G-8U | (22x180)mm | ||
| 17 | Patch for tubes of cars, trucks, tractors, agricultural machines and tubeless tires (thick rubber) | P-1 | 25mm |
| P- 2 | 35mm | ||
| P- 3 | 50mm | ||
| P- 4 | 68mm | ||
| P- 5 | 88mm | ||
| P- 6 | ?120mm | ||
| 18 | Oval patch | P-8 | (32x70)mm |
| P- 9 | (40x100)mm | ||
| 19 | Rubber plaster for repairing the chamber in the place where the valve heel is attached | 68mm | |
| 20 | Rubber-cord patches for repairing radial tires | PR-10 | (55x75)mm-1sl |
| PR-12 | (70x120) mm -1sl | ||
| PR-14 | (85х130) mm-1 sl | ||
| PR-19 | (80x110) mm 2 sl | ||
| PR-20 | (80x125) mm 2 w | ||
| PR-21 | (90x120) mm 2 w | ||
| PR-22 | (75х175) mm 2 w | ||
| PR-24 | (75х220) mm 2 w | ||
| PR-25 | (115х125) mm 3sl | ||
| 21 | Rubber-cord patches for repairing radial tires | PR-35 | (130x180) mm 4 w |
| PR-40 | (115x200) mm 3 w | ||
| PR-42 | (130x260) mm 4 w | ||
| PR-44 | (130х335) mm 4 w | ||
| PR- 46 | (140х400) mm 4sl | ||
| PR- 52 | (250х500) mm 6sl | ||
| PR-201 | (210х210) mm 1 sl | ||
| PR- 202 | (210х210) mm 2 sl | ||
| PR-203 | (210х210) mm 3 w | ||
| PR-204 | (210х210) mm 4 w | ||
| 22 | Diagonal patches, angle between layers of cord 90 0 for repairing diagonal tires of trucks, cars, agricultural machinery | PD-4 | (160x160) mm 4 w |
| PD- 4 | (200x200) mm 4 w | ||
| 23 | Diagonal rubber-cord patch, angle between cord layers 90? for repairing bias tires for mining and loading equipment | PDU-2 | (280x280) mm 4 w |
| PDU-3 | (380х380) mm 4 w | ||
| PDU-4 | (230х230) mm 6 sl | ||
| PDU-5 | (280х280) mm 6 sl | ||
| PDU-6 | (380х380) mm 6 sl | ||
| 24 | Bias rubber-cord patch, angle between cord layers 65? for repairing diagonal tires of mining equipment | PD-30 | 255 mm 6 w |
| PD-31 | 350 mm 6 w | ||
| 25 | Corded rubber (repair of tubeless tires without dismantling) | 610 | (3. 5x7x100)mm(6pcs) |
| 620 | (3.5x7x200)mm(6pcs) | ||
| 710 | (2.6x6x100)mm(7pcs) | ||
| 720 | (2.6x6x200)mm(7pcs) | ||
| 1010 | (6x4x100)mm(10pcs) | ||
| 1020 | (6x4x200)mm(10pcs) | ||
| 26 | Reinforced rubber cord (for repairing tubeless tires without dismantling) | 610U | (3. 5x7x100)mm(6pcs) |
| 620U | (3.5x7x200)mm(6pcs) | ||
| 710U | (2.6x6x100)mm(7pcs) | ||
| 720U | (2.6x6x200)mm(7pcs) | ||
| 1010U | (6x4x100)mm(10pcs) | ||
| 1020U | (6x4x200)mm(10pcs) | ||
| 27 | Self-vulcanizing rubber adhesive (fixing plasters, fungi, cords) | KRS-7 | in tube 7 ml |
| KRS-18 | in tube 18 ml | ||
| KRS-28 | in tube 28 ml | ||
| KRS-42 | in 42 ml tube | ||
| KRS-440 | in gesture. jar 440 ml with brush | ||
| 28 | Sealing mastic (rim\wheel) for tubeless tires | MUB 1 | in gesture. jar 800 ml |
| 29 | Tubeless Bead Sealant | in gesture. jar 800 ml with brush | |
| 30 | Pinhole Concentrate | in PET bottle 1 l | |
| 31 | Buffer Rubber Cleaner | pcs | |
| 32 | Cord inserter | PVSh | |
| 33 | Puncture tool | PZP | |
| 34 | Mushroom inserter (loop) | PVG | |
| 35 | Universal attachment (roller + grater) | PU | |
| 36 | Powdered talc for repairing tires and tubes | TRPN | in HDPE bottle 250g |
| 37 | Blue "Sunrise" | Voskhod | |
| 38 | Blue paint shop | ||
| 39 | Nipple tube | TH | |
| 40 | Cord for "BELAZ" | SRB | 13mm |
| 41 | Valve stem seal KB-3 | KB-3 | for gas utilities |
| 42 | Gasket for connection gas linewith burner?15 mm | PRS-1 | for gas utilities |
| 43 | Gasket for connection gas linewith burner?13 mm | PRS-2 | for gas utilities |
| 44 | O-ring016-012-25 | for gas utilities | |
| 45 | Rubber plowshare (496х246х38)±3mm | pcs | |
| 46 | Rubber mat 600x600x30 mm | pcs | |
| 47 | Spring pad for UAZ | 451D-2 | 0pcs |
| Rubber compounds for repairing tires and tubes | |||
No. | Product name | Type | |
| 48 | Rubber compound 2BK-11 calendered thickness (from 1 to 4) mm | 2BK-11 | |
| 49 | Rubber compound 2BK-11 calendered, thickness (from 2 to 3) mm, 0.5 kg each | 2BK-11 | |
| 50 | Rubber compound 2BK-11 calendered. vulcanized with adhesive layer | 2BK-11 | |
| 51 | Rubber compound strip 2BK-11 2 mm thick (270x180) mm | 2BK-11 | |
| 52 | Rubber compound strip 2BK-11 3 mm thick (270x180) mm | 2BK-11 | |
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