Some criminals try to stop a vehicle by slashing or puncturing its tires. At Armormax, we believe in staying ahead of those threats with smart protection—including run flat tires. These specialized tires give drivers the ability to keep moving after a puncture, helping them reach safety instead of getting stranded.
Run flat tires work by using reinforced sidewalls that support the vehicle’s weight even when the tire loses air pressure. Since the sidewall holds its shape, the tire tread stays in contact with the road, allowing continued movement for a limited time and distance—usually enough to escape danger or reach help.
But we get it—run flat tires aren’t cheap. And when one gets damaged, it’s natural to ask:
Can you patch a run flat tire, or do you need to replace it?
Let’s walk through the answer.
How Do Run Flat Tires Work?
Run flat tires rely on internal reinforcements, like tougher rubber or internal rings, to hold shape even after a puncture. Unlike regular tires, they don’t instantly collapse when the air escapes. Most run-flat systems give you around 50 miles of additional driving, enough to exit a dangerous area or reach a repair shop.
So… Can You Patch a Run Flat Tire?
In most cases, no—you shouldn’t patch a run flat tire after driving on it while deflated.
Why? Because driving without air damages the internal structure, which weakens the tire and increases the risk of a blowout.
Let’s break it down further.
Why Patching Run Flat Tires Isn’t Recommended
1. Internal Damage
Run flat tires have rigid sidewalls that carry the weight of your vehicle after a puncture. Once you drive with zero pressure, those reinforcements can suffer damage—even if it’s not visible on the outside. That hidden damage makes it unsafe to repair.
2. Safety Concerns
If you patch a damaged run flat tire and reuse it, you risk a tire failure while driving. Blowouts at high speed can be deadly, and Armormax never recommends compromising on safety.
3. Manufacturer Warnings
Most tire manufacturers clearly state: do not repair run-flat tires once they’ve been driven on flat. This guidance exists to keep you and your passengers safe—not to sell more tires.
When Is a Repair Possible?
In rare situations, a repair might work—but only if:
- You didn’t drive on the tire while it was flat.
- The damage sits in the tread area (not the sidewall).
- A qualified technician inspects the tire and confirms its internal structure is intact.
Even then, most shops will still recommend a replacement. At Armormax, we prioritize safety above all. If there’s any doubt, we’ll suggest a new tire.
What to Do If You Suspect Tire Damage
If you drive on run flat tires and experience a loss of pressure, here’s what to do:
- Pull Over Safely
Don’t push it. Drive slowly and only as far as necessary to reach a secure location. - Call a Tire Professional
Avoid guessing. Let an expert inspect your tire and determine if it’s safe to repair. - Follow Brand Guidelines
Stick to the recommendations from your tire manufacturer—and from us. Safety matters more than saving a few dollars on a patch.
What If the Tire Damage Is Too Severe?
If the damage is too extensive, a repair won’t hold. The tire may have lost its shape or internal strength, making it a serious safety hazard—especially at highway speeds. When in doubt, replace it. It’s not worth the risk.
Manufacturer Policies on Run Flat Repairs
Each tire manufacturer has its own stance on patching run flats. Some brands allow limited repairs under strict conditions, while others forbid it completely—especially if the vehicle traveled far after losing pressure.
At Armormax, we recommend always checking your brand-specific guidelines and trusting experienced technicians.
Still Unsure? We’re Here to Help.
If you’re running run flat tires and need advice about a potential repair, reach out to Armormax.
Call us at 801.393.1075, and our team will help you assess the damage, understand your options, and stay safe on the road.
