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.
First things first the chip should be repaired before it gets filled with grit. To do this, the chip needs to be drilled while the cracks in it get vacuumed. An acrylic or crystalene resin is then inserted via syringe into the chip to restore the air trapped in the crack. Afterwards it is dried with UV light which hardens the substance and reinstates the original state of the glass. Acrylic resin is made up of carcinogenic acid which turns the chips yellow over time. Crystalene resin has better clarity and doesn't change color over time. It's available at ultra-low consistency and high consistency. Extra resin is scraped away and then polished for a finishing touch. This kind of treatment usually runs about $45-$100.
Driving the car immediately after a windshield replacement is not something you can do. There is a time period that should be allowed to make sure that the window has settled and dried. The warmer weather allows for the adhesives to dry quickly. However, the colder weather increases the time that is needed before you resume driving. Taking the time to wait for the adhesives to be at full strength could mean the difference between life and death or an accident that leaves you maimed.
Do-it-yourself repairs are the cheapest option but if not done correctly, it may cost you more. If you plan to do it yourself, it is important to choose the best kits. Research or seek the advice of experts so you would not be sorry. There are two types of windshield repair kits. The first is the less expensive syringe-type. The kit includes a syringe and the resin, intended for one-time use only. It contains just enough resin to repair one chip. The second type is the more expensive bridge system that includes the resin's and a plastic bridge. This type can be used several times because it is refillable.
Paint doesn't bond well with rust, so keep touch-up paint nearby to immediately apply over small scratches and nicks. If you wait too long to apply the touch-up paint, the scratch will have already began to rust and you the paint won't stick. Apply the paint quickly and cover the spot to prevent the rust from accumulating.
Remember to make routine window glass inspections part of your total car maintenance plan. Following these simple tips will help your windshield stay strong and prevent the need for glass replacement in the future.