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.
Not wearing disposable rubber gloves when handling auto glass Oils and dirt from the installers' hands can contaminate the bonding service of the windshield.
Many of us may not be concerned with all the small details that go into windshield repair, but those trained to do the job know that missing a detail can be fatal. The purpose of the windshield is not just so you can see. There are other very important functions like keeping the car roof from caving in on you if you have a rollover; or, protecting you in a serious accident. It helps the airbags deploy properly as well.
As a windshield installer for the past thirty five years, let me give you three good reasons not to repair your windshield. As windshield repair is a gimmick in my opinion.
A surface pit is a nick in the glass associated with normal wear and tear that does not penetrate to the plastic inner layer. This can be repaired if the damaged area has a diameter of not less than 1/8 inch.
So when that stone comes flying down the highway and lands right in the middle of your windshield, be sure to wisely choose your course of action. Save yourself the aggravation and simply repair it yourself. Just make sure you get yourself the right kit!