Using a self-made repair kit on a small enough splinter in the windshield can prevent the crack from expanding, but it won't eliminate the damage to the vehicle. The purpose of a repair kit is to stop the windshield from chipping again when it flexes due to the weather. Yes, windshield repair kits can be used to fix chips and cracks, as long as they are within range. However, broken windshields are out of the question and cannot be repaired.
The results of using a repair kit will depend on the size, location, type and depth of the damage, as well as other factors such as age and contamination. Repairing a crack or chip helps prevent it from getting bigger. It does not hide the defect of the glass. If you don't repair a crack, it will grow as the glass expands and contracts in different temperatures or when your car vibrates when it hits potholes or when you play your music at a high volume. That's why it's important to refill these items, even if damage is visible. The location of the damage is also an important factor to consider when using a windshield repair kit.
A small amount of clear resin is injected into the chip, crack, or star when windshield repair is performed. Delaying the order for one of these kits will also cause the damage to be contaminated, which will affect the final result. Since the introduction of windshield repair solutions, there has been a lot of controversy surrounding them. A lot of people don't understand how they work or expect them to do miracles. Broken windshields are more common than many people think and the only way to fix them is to replace the windshield completely. Keep in mind that Permatex has said that the repair should be done in a shady area with a windshield temperature between 50°F and 75°F.