Posted by Blair Lampe Know How
Your tires might not be the most complex part of your vehicle, but they’re arguably among the most indispensable. Keeping your tires in good condition is integral to both safety and performance, so when they suffer damage, it’s important to take care of it immediately. You’re likely familiar with patching tires, but are there limits to this practice? For instance, can you patch the sidewall of a tire?
Where the Rubber Meets the RoadTires have more going on than meets the eye. Over the years, tire technology has evolved to make them stronger, longer-lasting and safer in various driving conditions. There are many parts of a tire, but the two main external parts are the tread and the sidewall.
The tread is what contacts the road. It’s very thick, it wears down over time, and it’s the part you pay special attention to when you’re watching out for alignment issues. It is meant to wear down, but evenly.
The sidewall is thinner because it is not designed to contact the road and wear down. It protects the inner plies of the tire, which are structural, and it flexes as the tire rotates and bears the weight of the vehicle.
Patching Your TiresMany people keep tire plug kits in their vehicles for emergency roadside repairs, but patches are a little more in-depth. In order to properly install a patch, the tire must be safely removed from the vehicle and the rim. The hole or tear area must be cleaned up and covered with vulcanized cement so that the patch can be installed from the inside and sealed before the tire is reinstalled on the vehicle.
The patch adheres to the tire’s material around the damage, and the added pressure of inflation actually works to press the patch outward further plugging the hole. If done correctly, this creates a seal that can last the rest of the tire’s life.
Patches are viable for repairing small holes or tears, generally, those that are 1/4 inch or less.
If you have a leak, hole or tear in your sidewall as opposed to your tread, you should not repair it with a patch. The thinness of the sidewall gives little material for a patch to adhere to, and the damage to the sidewall leaves the tire structurally compromised. As mentioned before, the sidewall tends to flex, putting extra stress on the repair and increasing the likelihood of patch failure, which is more likely to occur at higher speeds and pressures.
Patching the sidewall is simply not a good idea, as a leak or blowout while the vehicle is underway could result in loss of control with catastrophic consequences. So if you end up with a damaged tread, you can plug and patch away, but if the damage is to your sidewall, you’re going to have to replace the tire, which usually means replacing the fronts or rears in pairs.
So can you patch the sidewall of a tire? The answer is a solid no. Luckily, sidewall damage is far less common than damage to the tread, and you can minimize it by paying attention to road conditions, not overloading your vehicle, staying away from the curb when you’re parallel parking, and keeping your tires properly inflated, rotated and maintained.
Check out all the tires, wheels and accessories available on NAPA Online, or trust one of our 17,000 NAPA AutoCare locations for routine maintenance and repairs. For more information on patching tires, chat with a knowledgeable expert at your local NAPA AUTO PARTS store.
Photos courtesy of Blair Lampe.
Blair Lampe is a New York-based professional mechanic, blogger, theater technician, and speechwriter. In her downtime she enjoys backpacking wherever her boots will carry her, rock climbing, experimental theatre, a crisp rosé , and showering love on her 2001 Sierra truck.
One of the problems you can encounter when traveling by car is a punctured tire.
Using a patch is a fairly common option to work around this issue.
Yet, if the hole is in a position like a tire wall, the problem becomes much more complicated because it is likely that the defensive position will not be patched.
So, how close to the sidewall can a tire be patched? A distance of 6 mm or more from the tire shoulder is required to fit a patch. In other words, if a crack is closer than 6mm, there’s almost nothing you can do about it!
Tire Sidewall OverviewFirst, let’s learn about sidewalls and how to identify them on your tires.
The wall is the rubber part from the outer edge of the rim to the road surface. This part also has the largest area, is the most flexible, and continuously deforms under loads when moving.
How Close To Sidewall Can A Tire Be Patched?As you know, the car’s wall is in a particular location, so it is pretty challenging to troubleshoot the hole here.
Manufacturers also recommend that you not choose the patch option if the spot is on the side of the vehicle or too close to this position.
Then, how close to the sidewall can a tire be patched.
You cannot use the patch if the hole is close to the wheel with a gap of less than 6mm. In addition, you should note that if the hole is more significant than ¼ inch, the patch should not be used. In this case, if the patch is small, it cannot cover the hole, causing the wheel to deflate still when moving.
On the contrary, using a large patch can make the wheel more bulky, difficult to move, and unsafe.
Fix Sidewall DamageOther Related QuestionsTo better understand the problems that occur with the tires and how to overcome them effectively, you can refer to the following information.
We’ve put together some frequently asked questions that may help answer your questions on this topic.
People are often concerned about whether it is safe to plug or patch a flat tire.
These two options are pretty standard in repairing or overcoming the problem of flat tires caused by rolling nails or other sharp objects.
The manufacturer still recommends that you better replace the tire with a new one when there is a problem because repairing with a plug or patch when a flat one is not a safe solution.
Yet, the cost of new tires is not cheap, and if you have this problem often, it is a big problem. So, many drivers use a plug or patch when a wheel is punctured.
There is a limit to the number of nails or patches on a product. You can use this option to temporarily fix the problem if you find a few small holes. If the wheel has many large holes or previous patches, it is best to replace it with a new one.
For a detailed guide, check out this video:
How close can a tire patch be to another patch?The gap between patches is also a topic that people are very interested in. When traveling on the road, you may encounter a flat one many times.
As you know, when the tires have had previous patches or punctures in close locations, it is better to replace them. In case
Can you patch a tire on the side of the road?In the case of a puncture on the tire side, the use of stickers is unlikely to have as much effect as you think.
The reason is that its wall adhesion is so thin that relatively few materials can adhere. More specifically, damage to the sidewall will seriously damage the structure of a wheel.
The solution to this problem is to insert an extra tube inside the wheel to ensure that you can still turn the whole thing.
A patched one will not achieve the same speed and performance as it once was. Therefore, the optimal level you can expect from such a version will not be more than 85 mph. Of course, this is just the limit that many manufacturers recommend, but you should not overdo this limit.
Can you patch a tire with 2 nails in it?The answer is yes! It’s just that the gap between the two punctures is at least 16 inches, and you might seal them with two large patches.
According to many manufacturers, the maximum number of times performed is two times. If more than that, it’s time to get a new one.
ConclusionAs such, a puncture in the side of the vehicle is a unique location where patching is not an optimal solution in this case. It would help if you changed to a new tire to ensure safety when traveling.
Thank you for following this post!
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Repairing a tire side cut by applying a patch or welding the cut yourself will not lead to anything good. Poor repairs will put you at unnecessary risk to your life instead of saving you money.
A side cut on a tire is a very common problem, and many car owners solve this problem by simply replacing the cut tire with a new one.
Of course, this way of solving the problem is ideal if you have extra money, since new tires are not cheap. The desire to save money, that is, to seal a side cut on a tire with your own hands, is an extreme on the other hand, since it is impossible to repair a side cut at a high level at home in the absence of high-quality equipment and materials.
If you are wondering if you can seal up a side cut, then the answer is - of course, yes. Only an experienced master in a tire shop can make such repairs well. And for those who are looking on the Internet for how to seal a side cut of a tire on their own and whether it is possible to seal a side cut on a tire with their own hands, and buys special tire change kits for such repairs, we want to say: “There is no need to take such risks!”. If the repair of the cut is done poorly, then at the most unexpected moment you may burst the tire. Imagine what would happen if you were driving at high speed in heavy traffic! Therefore, it is better to entrust this matter to professionals.
