If you have a comp/collision insurance policy, you more than likely already pay for rock chip repair in your premium. In general, unless you have State Farm or a discount policy from companies like GoAuto, you are likely covered. We work with all insurance companies, so verifying coverage is only a phone call away!
We repair damage as small as a dime, or as long as several feet. The main determining factor is location of the damage. The State of Louisiana prevents drivers from damage over 6" (roughly the size of a dollar bill) in the driver's immediate viewing area. This area is the part of the windshield directly in front of the driver that can be covered by an 8.5"x11" sheet of paper.
Yes. Though laminate glass repair has made incredible strides, some "scarring" is to be expected from repairing previously broken glass. The goal of windshield repair is to protect the structure of the glass, with visibilty improvements being the cherry on top. Typically you can expect between 70-90% improvement in the look of the break.