by Pat Goss
One thing you always hate to see is that rock that comes cruising towards your windshield as you're cruising down the interstate. Well, sooner or later it will happen, and you'll wind up with a stone chip like we have on this RAM pickup. Now here to give us the proper procedures on how to repair damage like that is Jim Robel from Safelite Auto Glass.
At the point of impact, where the stone hit our windshield, there's a tiny jagged hole. Jim starts by reaming this out slightly to make the hole uniformly round. This will allow the repair resin to flow in more evenly. This is a critical step that most do-it-yourselfers wouldn't know is needed. Next Jim injects a primer resin that helps to clean the damaged resin and boils away any contaminants like dust or glass powder trapped inside the cavity. This resin is sucked out under vacuum pressure for several minutes to make sure the inside of the cavity is completely dry and clean. Next the repair resin is injected under high pressure so that it completely fills all the internal cracks in the glass.
Now most do-it-yourself kits use a plastic syringe for this step. Which simply can't exert enough pressure to do the job right. The resin is cured for a number of minutes under ultra violet light to completely harden. Then a drop of hard sealer is applied to replace the divot in the glass and give a strong coding to the repair. A quick buff and polish to level it out and the repair is done in about twenty minutes.
And there you have our finished repair. Now can you see it from certain angles? Yeah, sometimes you can.The big advantage here is that many insurance companies will waive your deductable and cover the entire cost of the repair.
That, combined with the fact that a repair of this type is guaranteed not to crack. So you don't have to wind up buying a windshield as the weather changes or when you hit that really hard pot hole.Very good way to go about it, but make sure you select a pro to do it right, or you're not going to like the results.