Your technician should discuss with you the adhesive used and the time it takes for it to properly bond the auto glass to your vehicle. This lets you make an informed decision as to when you feel the car is automobile windshield chip repair safe to drive.
By having a look, they can decide if you need windshield auto glass replacement or whether an adhesive will do. Smaller cracks are fixed with adhesives that stick to windshields and reinforce the material. They can also let you know how long it will take to fix and how much it will cost you.
A lot of people are confused between repair and replacement. There are those that opt for ready home kits to repair their windshields only to find out that they could not fix the problem. In essence, simple damage such as chips or cracks that is less than 3 inches can be repaired. However, when it becomes severe, you need to have it replaced. Also, damage within the critical vision area cannot be repaired so no matter how small it is, fix auto glass is the only solution.
If you have insurance that will cover windshield repair with a low deductible, this may be a good option. Many companies that specialize in windshield repair will pay the deductible for you provided it's under $100. If you call ahead to make an appointment most of these companies can replace the windshield in less than an hour. If you don't make an appointment, you may have to wait a few hours if there are many customers in front of you.
Jolt your car or windows. Try to avoid slamming doors or shutting doors with the windows all the way up. Creating extra pressure inside the vehicle in this way can cause the crack to spread.
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.