Can Glass Pop A Tire? Do This When Running Over It

Robert Herrera-COR-Wheels

By Robert Herrera

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Have you ever ran over glass bottle in parking lot and heard a loud pop followed by the thumping sound of your car’s flat tire? While a flat tire can be caused by many factors, including punctures from nails or other sharp objects, many people wonder if the glass on the road can also pop a tire.

Glass fragments are often found on roads and highways, and drivers may worry about the potential damage to their tires. I will explore the question, can glass pop a tire, and look at what damage glass can do to your tire and what to do if you encounter this problem.

Can Glass Pop A Tire?

No, glass cannot pop a tire on its own. While it can cause damage to a tire, such as punctures or cuts, it is not necessarily guaranteed to cause a flat or a blowout.

can glass punture a tire

Aside from the actual glass, other contributing variables may cause your tire to blow up eventually. This includes where glass pierces the tire, foreign objects, corrosion, and substance contamination. 

Other factors such as age, wear and tear, and proper tire maintenance also play a significant role in the likelihood of a tire failure.

Last summer, I came across an accident on the way home, and I had to drive over the shattered glass from the 2 impacted cars’ doors. I then stopped to check the tires, but nothing happened, despite some glass pieces stuck in the tire tread. The next morning, the tire pressure remained at 35 PSI.

What Damage Glass Can Do To Your Tire

Glass on the road can cause different types of damage, ranging from minor cuts and tire punctures to more severe damage that can lead to a blowout. Here are some of the ways that glass can damage your tire.

  • Old or mistreated tires are more prone to be punctured by glass and leak because they are closer to the end of their usable life (from 30,000 and 40,000 miles for most manufacturers) or have had their tread worn down from off-road driving.
  • Summertime brings warm temperatures, which will soften tire rubber. As a result, it is simpler for glass fragments to penetrate the rubber and start a gradual leak. In addition, notice that dark items absorb more heat, and friction against the road surface increases the likelihood of these broken pieces puncturing your tire.
  • The common glass types used to produce beverage bottles lack the same technology as tempered windshield glass, which I have shown to be unlikely to affect your tires. You may encounter shattered pieces anywhere, from parking lots to small alleys.
  • Due to corrosion and pollution brought on by the accumulation of these foreign materials, the steel belt will eventually come apart from the tread. You will experience an eventual blowout when enough separation has taken place.

What You Should Do When Encounter This Problem

If you encounter a broken tire while driving, it is important to take immediate action to avoid further damage and ensure your safety on the road. Here are the steps you should follow when you encounter a defective tire.

what to do with glass pop tire

Visually Evaluate the Situation

The first thing you should do when you suspect a flat tire is to inspect it to determine the extent of the damage visually. Look for any signs of punctures, bulges, or cuts on the item.

The most likely scenario is that it is simply caught in the tread, but a tear could have caused it to become stuck there. In this case, carefully remove the glass from the frame using gloved hands.

Check Tires’ Air Pressure

Detect The Problem Of Tire Losing Air When Filling

Check the air pressure in your tire using a tire pressure gauge. You can find the recommended pressure in your owner’s manual, but for most autos, the recommended range is 32 to 36 psi.

If the rate is low, the tire has likely punctured. On the other hand, when it is completely flat, it may have suffered a sudden blowout. As you can see, maintaining good tire inflation is a must.

Get Professional Help

A professional mechanic can evaluate the damage and advise you on the best course of action. Do not attempt to drive on an abused tire, as it can cause further damage to the wheel and even lead to a dangerous car accident.

What if you do not have access to professional help? I found myself in this situation before. The only thing I could do was to change the tire with my spare one. 

However, performing this task can be dangerous, especially if you are not experienced. Always make sure to follow the instructions in your vehicle manual and take all necessary safety precautions.

Other Causes For Flat Tire

While glass pieces may commonly cause flat tires, it is not the only cause. Here are some other reasons for this problem.

  • Punctures from sharp objects such as nails or screws on the road.
  • Cuts or abrasions from potholes, curbs, or other road hazards.
  • Damage to the valve stem or the tire bead.
  • Age and excessive wear and tear can cause tires to develop cracks or bulges.
  • Overloading the vehicle or underinflating the tires can cause excessive heat buildup, leading to tire failure.

How To Prevent Glass Popping Your Tire

Here are some tips on preventing the glass shards from popping your tire.

  • Stay Alert: The best way to avoid driving over pieces of glass is to stay alert and pay attention to the road ahead. Look out for debris and road hazards, and try to sidestep them whenever possible.
  • Avoid Construction Zones: Construction zones are known to be littered with debris, including tempered glass. If possible, steer clear from driving through construction zones.
  • Proper Tire Maintenance: Maintaining proper tire pressure and tread depth is important to prevent flat tires. Check them regularly for signs of wear and tear, and replace them as needed.
  • Use High-Quality Tires: Investing in high-quality tires can make a big difference in preventing flat tires. Choose ones that are designed to withstand punctures and road hazards.
  • Install Tire Sealant: Tire sealant is a temporary solution that can help prevent the damage. It can seal small holes and allow you to continue driving until you can get it repaired or replaced.

Frequently Asked Questions

Can Tires Run Over Glass?

Yes. Whether or not the glass will cause a flat tire depends on the shape of the glass and the tire condition. Suppose everything is great; the tire can run over the obstacle without causing a puncture.

How Easily Do Tires Pop?

When tires are overinflated, they may easily pop. 200 psi is required to pop it. It can happen, but you must utilize compressed air to complete the task. When you’re driving, over-inflated tires might also blow out, leading to a disastrous disaster.

How Can A Tire Just Pop?

This can happen for various reasons, including puncture by a sharp object, overheating caused by driving on underinflated tires or at high speeds for extended periods, age and wear and tear, which weakens the rubber and increases the risk of a blowout, or manufacturing defects which can cause tire failure prematurely.

The Bottom Line

Can running over glass pop a tire? While the answer is yes, it is not necessarily guaranteed to cause a flat or a blowout. The severity of the damage depends on various factors, such as the piece’s size and shape and the tire’s condition.

When encountering sharp glass on the road, it is important to visually evaluate the situation, verify the air pressure, and get professional help if needed. Regular tire maintenance and safe driving practices can help minimize the risk of damage and failure, whether caused by shattered glass or other factors.


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Robert Herrera

President & Automotive Expert at COR Wheels

Robert Herrera has been with COR Wheels for 17 years and has a great passion for the automotive industry. During his time at COR Wheels, he has driven and test-driven a variety of vehicles.


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