IT IS A GIVEN I should not have to say that you should go in dressed nicely with some sort automobile windshield chip repair of logo on your shirt or hat that shows you are serious and you are a professional.
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.
You get a chip on your windshield in less than a second. The most common cause is flying rocks. A crack can happen just as quickly as a chip. You never know when that small little chip is going to turn into a crack that completely hinders your view while you are driving. You may not know this but your windshield provides up to 30 percent of the structural strength of the vehicle. If your windshield is not strong then it affects the entire car. Driving over one bump in the road or a pothole can turn your chip into a crack which will mean you need more than just a repair, you will need professional auto automobile windshield chip repair.
Use your defroster on high. Extremes in temperature are never a good thing for a cracked or damaged windshield. If you live in an area where you are required to use your defroster regularly, gently warm up the car over a period of time. It's also best to find a mobile windshield repair company that can do your repairs as soon as possible.
BUT if they hesitate or ask questions, and more often than not, they will call you back and say, Hey wait a minute, come back (IMPORTANT FOR YOU TO APPEAR TO WALK AWAY. IT IMPLIES, NO PRESSURE, AND PEOPLE DO NOT LIKE TO BE PRESSURED OR SOLD).
Not all chips and cracks can be repaired when windshield damage occurs. It is definitely worth the time to have any damage evaluated by a professional to avoid further cracking and damage and eventual replacement.