How to Stop a Windshield Crack From Spreading

With how many people drive around with a crack in the windshield, you’d think they’re not a big deal. Well, this couldn’t be further than the truth.

See, beyond being distracting, windshield cracks are a serious driving risk. The windshield contributes to the car’s structural integrity, so any cracks in it make the roof more likely to cave in if you get into an accident.

The good news: there are plenty of things you can do to stop a windshield crack from spreading. Here are the four most effective solutions!

Seal the Crack

One way to prevent windshield crack spreading is to seal it up. Doing so makes the glass more stable and stops the crack from applying pressure on it. Sealing the crack also prevents dirt and dust from settling into it.

Before sealing the crack, clean the windshield with a glass cleaner or rubbing alcohol. Then, use a dropper to apply some superglue or nail polish to the crack. Wipe off any excess glue with a lint-free cloth or alcohol wipes.

It’s important to note that this works best as a temporary solution. Think of it as an emergency stop-gap that will keep the damage from spreading.

Use a Repair Kit

Windshield repair kits are available at most hardware stores. Using one requires some glass repair skills, so they’re not the perfect DIY solution. When done right, though, this repair may be the only one you’ll need.

To go down this route, use a 1/16-inch drill bit to bore a hole into the top layer of glass. Then, place the specialized resin from the repair kit into the hole. That should prevent any windshield chip from spreading.

Watch Where You Park

Trying to buy some time before dealing with your chipped windshield? If so, try to keep your car out of direct sunlight. Strong sunlight can cause the glass to expand or warp, which will make the crack or chip worse.

If possible, park the car in your garage or under a carport. On top of keeping it out of sunlight, this will protect the windshield from something falling on it. Otherwise, try to find a shaded area to park in.

Contact a Professional

When it comes to how to stop windshield crack from spreading, the safest bet is to let the pros deal with it. Do the repairs as soon as possible, as every day you wait makes the crack more likely to start spreading.

If the crack is too big, your only choice will be to replace the windshield. In general, this is true for any cracks longer than three inches. Click here to find out more about calculating the cost of windshield replacement.

Fix Your Windshield Crack Today

As you can see, a windshield crack isn’t as harmless as it may seem. If you don’t take care of it on time, you may end up having to replace the entire windshield. Consult the above tips for your best course of action.

Want to know more about the importance of taking care of your vehicle? Keep reading our Auto section!

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