The reason that cracks often start on the edges of the automobile windshield chip repair is because the edges are the structurally weakest area. The frit is on the glass because it keeps the ultraviolet light from the sun away from the polyurethane seal that holds the windshield in the frame. Without the frit, the windshield would quickly start leaking or just pop out of the frame of the car.
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.
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 front window repair.
There are auto glass shops that offer mobile windshield repair to give you the best convenience. With such, you can have the auto glass technician to come to your place so you no longer have to bring your car to the shop.
The hole in the adhesive disc should be pushed out and the paper backing has to be peeled off. The disc has to be centered over the area proposed to be repaired, press it on the windshield using a tab present on the disc facing upwards.
Dash repair is an art and a craft, just like all automotive interior repairs. If the steps are followed right and patience is used in your repairs you success will be good.