Its important to note that the automobile windshield chip repair exterior trim and moldings that we can see on the outside of the glass are for looks only. The actual water seal comes from the "urethane" adhesive which is used to create the bond. Its in this urethane that the water leak is originating.
If you live where it snows, consider what ice, snow, salt, and loose gravel can do to your car. The radiator can corrode without you even knowing it, minor scratches and nicks can turn rusty, and the windshield is subjected to the extremes of interior heat and exterior cold. These factors, and others, affect your vehicle when the weather changes from winter cold to summer hot.
Of course, fix auto glass is not something that we have to worry about on a regular basis. This is why you probably do not know where to begin finding an auto glass professional. Consider asking some friends or family if they have any one that they could recommend. A mechanic is another good source to find a good quality auto glass company who is going to treat you fair. The good thing about asking a mechanic is that they work with auto glass companies quite often. They know which ones their customers are satisfied with and which ones charge too much money.
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.
Carefully read and understand the instruction manual that comes with your newly purchased windshield repair kit before performing the repair. Now, here's how to fix the cracks on your windshield. First, use an auto glass cleaner to remove dirt from the crack and the area around it. Then dry the crack using a clean rag or towel. Use a safety pin to take out any remaining debris on the crack. Next place the suction cup onto the windshield using the adhesive included in the kit. Then mount the injector on the suction cup. Next, inject the resin; this will remove the air between the windshield and the suction cup.
One way to find out about a companies reputation is to call other repair techs and ask them which company they bought their repair kit from and are they satisfied with it. Call the company itself and ask to speak to the owner. You will get a good feel for the company after having spoken with the customer service people and the owner.