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How do you Fix a Long Crack in a Windshield?

Oct 28


A recent question from the newsgroup, "What is the best way to fix a long crack in a windshield?

First, make sure the crack isn't simply dirt or water trapped underneath and causing it to look worse than it really is. Simply roll down the window and spray some watter on the inside of the glass. If you see that there's no damage then just clean up the excess water with a paper towel or cloth and your problem should be solved until you can get around to have it replaced. There are kits available from companies such as ClearView which claim to repair small cracks for about 3 years without harming night vision but I've never used one so can't give any first hand experience.

Alachua Windshield Shop

As for fixing the crack, if it's not too big you might be able to fill it with an adhesive windshield sealer. Many of these products are putty like which you just press into place then squeegee out the excess. Others will actually contain a tiny fiberglass mat material that self-levels to give a smooth finish and look almost as good as new. Some even come with a built-in UV protective agent that helps prevent future fading or discoloring. Be sure to do a test first on a small part of the glass to make sure you're satisfied with the end result before doing a major application on your car. An alternate solution I've heard from several people is getting hold of some clear vinyl repair tape. You can get these rolls at most any hardware store, home center or even WalMart in the automotive section. They come in several widths and are used to seal air conditioner lines (see this answer for more on how they work). Simply place a piece over the top of the crack, trim off any excess material and rub your finger around it a few times to ensure a tight bond. The only thing I'd watch out for is to make sure you have properly cleaned up all dust particles or debris from either side of the windshield before applying this type of repair kit as it'll inhibit proper adhesion and you may end up with another problem not too far down the road if dirt somehow gets underneath.

I recently had a windshield replaced at my cost because the crack was so long and severe that it couldn't be properly filled. So if you have a rock chip or a crack that's been repaired before that didn't hold then calling around to find out what your options might be could save you from having to shell out big bucks to have it done professionally. Otherwise, for less than $10 in materials you can perform this type of repair yourself."

And also, I found a video on youtube on this one, you can check it out here:

As for what is the best way to prevent a windshield from cracking. This article might explain about that:

Now, you know how to fix long crack in windshield and how to prevent such thing from happening again in future. I hope you learned something new today! If you have anything to add just write down your comments below or go back to the forum and join us at Windshield Repair and Replacement Tips community! Have a nice day everyone!

More answers:

How do you repair a windshield on a 1994 Dodge Intrepid?

I need an estimate how much it would cost to get my windshield replaced. I have never had one replaced before, but there are quite a few cracks in it already. Also, is it okay for me to drive if i have some cracks in the windshield but not many of them? Thanks!!

The best way to fix long crack in windshield will depend on where you live and if you have someone who can help you out with the process at home. Although you do not necessarily need an expert to get this job done, having some previous experience or knowledge about how these things work will be of great benefit. Even people who've had their auto glass replaced before may find that they're doing something wrong and causing issues to arise later on. So, it's best to know as much as you can before taking on the task of fixing a long crack in windshield.

The first thing you need to do is find out if there are any auto body shops or other places where they'd be able to help. If so, give them a call and describe what's going on with your vehicle since this will give them an idea of how severe the damage is and what you're dealing with exactly. The next step would be coming up with an estimate for replacing your windshield that includes labor charges, materials and other fees such as disposal fees (if necessary).


Alachua City, FL

Alachua Windshield Shop