Never pour hot water on your automobile windshield chip repair. If you walk out and notice that your windshield is icy, you may consider pouring a large cup of hot water on the glass to melt the ice. This is actually a very bad idea. Large temperature changes can cause the glass to crack. It is best to turn on the car defroster and let the glass slowly warm up. The ice will melt away safely without damage to the glass.

Good question. Windshield crack repair equipment varies widely among companies. High quality resins, injections and air removal methods vary from company to company and can affect the finished repair. Quality injection units and high quality resins are as important as the technicians performing the crack repairs. The quality resins create stronger bonds and resist yellowing better than inexpensive resins. Quality injection equipment will remove more air and the injection capabilities provide a higher quality crack repair.
The main question when you are seeking to fix a cracked windshield is whether to replace or repair the glass. Most auto glass shops will opt to repair a crack or chip, as long as it is not directly in front of the driver. They will use a clear resin that is dropped onto the crack and then fixed with an ultra-violet light. The clear resin will then cure and the crack will no longer be visible to the human eye. Most cracks or chips can be effectively fixed in this manner. This method can fix small cracks as well as larger spiderweb style cracks. If an actual hole is formed in the windshield or the crack has traveled too far, your best bet is front window repair.
A windshield repair, when done correctly, is the safe choice. But not all damage is repairable. For as many types of debris that exist to damage your windshield, there are as many types of chips and cracks that can result. Some of the most common types of chips have been named.
Insert the end of the syringe into the pedestal sticking out of the window chip. In inserting the chemicals in to the hole, cautiously press down the plunger. Pull up the plunger so the syringe fills with air. Press the plunger back down to add more chemicals to the hole. Let it sit for 10 minutes.
No matter how good the equipment is, the skill and patience of the windshield crack repair professional is of the utmost importance. Quality equipment used in the hands of a patient and skilled windshield repair professional will produce quality repairs that anyone would be happy with. Quality repairs return the safety and integrity to the cracked windshield.