The gasket, the windshield, and the car body are bound together with a special adhesive. This strong adhesive allows the windshield to stay in place and also creates an air and water-tight seal. Even if a automobile windshield chip repair is not cracked, it is sometimes necessary to replace the gasket because they can rot and deteriorate over time.

The windshield was designed to protect you. The dings and cracks may have come from something that could fly toward you and hit you. It protects you from outside intruders and it helps in the event of a car accident. It is actually designed as the number one safety restraint system in your vehicle. It actually provides up to 60 percent roof-crush-protection in the event that there is an accident where your car flips over. Also, it takes care of backstop support for the passenger side airbag in a front-end accident. This means that the airbag stays in place as a passenger hits it using the windshield to hold it there. So you are protected from being crushed or thrown from the vehicle with the windshield.
If your vehicle really needs a windshield replacement, make sure to get high quality glass. Have it installed properly and choose a good adhesive because it is essential in windshield installation.
The secret to doing a lot of repairs is knowing where and copyright people. Mostly it is a function of letting them know you there and able to do the repair. Problem is most people wake up thinking about how to find someone who needs windshield repair.
#3) Non-Complicated Equipment! It seems as though just about every company is trying to come up with another gimmick (bells & whistles) to add to their repair system. But, by over complicating the process they are making it difficult for new repair techs to get the hang of the repair process.
There are certain scratches that are advisable to be removed by buffing. If the scratch is too deep however, it is best to use resin to cover up the scratch. The rest of the window will be protected from further damage if the spider cracks are stopped in time.