How to Repair Welding Spots on Car Windshields?
2 Answers
However, since the damage is relatively deep, there will be noticeable indentations after treatment, so whether to proceed with the repair depends on the location, size, and extent of the damage. Generally, car owners can file a claim under their glass insurance. If it severely affects the driver's visibility, it is recommended to replace the windshield for safety reasons. If you still wish to attempt a repair using tools, polishing and buffing equipment may be required. If the windshield is made of tempered glass, it cannot be repaired. If it is not tempered, you can use a glass polishing machine to slowly grind it down.
Yesterday I just helped my neighbor repair the windshield welding spot. The process is actually quite simple. First, thoroughly clean the damaged area with glass cleaner, leaving no dust at all. Then gently grind the burn spot with a small drill bit to create a funnel-shaped pit. Next, use a vacuum syringe to inject transparent resin, making sure to completely fill the gap. Finally, cure it with a UV lamp for fifteen minutes and scrape off any excess resin. The whole operation requires extreme patience. If you lack experience, it’s best to consult a professional to avoid cracking the glass. If you DIY, you can buy a repair kit online for just a few dozen bucks—way more cost-effective than replacing the entire windshield.