How To Fix Hairline Cracks in Car Windows

Car windows, viewed from the side, are actually two pieces of glass fused under great pressure to ensure maximal protection. Despite the superior technology used for windows, you very well know that car windows are prone to getting nicked, cracked and sometimes, they even show hairline cracks that can be tedious to repair.

The best thing to do to solve this problem of course is to take your car to a professional. Though you will be paying for the service and will be parted from your car for half a day or so, you’re assured that you’ll be getting your money’s worth and the hours that you could’ve spent doing the repair yourself could be spent idly at home with your friends and family.

If you insist on fixing it yourself though, here’s how you do it.

  • Windshield repair kits. Any hardware or car supplies store should carry a line of car windshield repair kits. These are fairly affordable. There are many brands though so it would be in your best interest if you ask your friendly sales clerk regarding which particular brand or finish would be best suited for your vehicle and car make.
  • Injecting resin. The whole idea is to inject a resin into the crack. This resin will then fill the space that was left by the crack. The entire process takes just an hour so it won’t really take much of your time if you can do it properly the first time. Some of these resins also require some form of UV treatment to make the resin fuse with the rest of the window. Read the instructions well for this portion of the repair.

Now that you’ve fixed that hairline crack, be sure to keep your windscreens and windows in tip top condition by being careful with your car.

  • Maintenance. Maintenance is just as important as knowing what to do when you have to make repairs on your windows. Be mindful of flying debris when driving. Small stones, pieces of wood or other projectile can definitely cause your windows to crack. Being more careful in driving reduces the chances of you damaging your car’s windows.
  • Vehicle inspection. Always do an inspection on your vehicle. Aside from checking the engine and other moving components, check the mirrors and windscreens as well at least twice a month. If you notice a chip or crack, immediately repair it yourself or take it to the professionals. Small repairs are less complicated to do not to mention less expensive.

If you feel that your repair didn’t address the problem or if the cracks continue to lengthen and grow despite your best efforts, it would probably be much wiser to take your vehicle to a body shop or a professional auto detailer.  If worse comes to worst, you may have to shell out to change the entire glass panel of the window. It may be relatively expensive, but if you truly care about the integrity of your car and the safety of your passengers, this will be a decision that’s quite easy to make.


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