How to prevent cracks from spreading through the windshield

The cracks in the windshield of the car can be frustrating and a danger to security. Most windshield cracks begin with a small blow of an object such as a rock or stone, while driving. A crack can spread through a windshield, become dangerous and requires immediate replacement. If your windshield has begun to crumble, it may require a repair professional at some point.

Doing so may not result in a serious security risk because your windshield will be greatly weakened. Is, however, possible to stop the spread of cracks, which could avoid the need to replace the windscreen. The application of nail polish or a windshield repair kit can stop the spread of a crack in the windshield.


  1. Carefully clean the area around the crack and let dry thoroughly in the sun. If there is no sun out, dry it with a hair dryer.
  2. Transparent glaze applied to small cracks in the windshield nails. Use the brush that comes with enamel, inserting it into the crack, both inside and outside. Let the glaze dry. Although not a permanent solution, this is going to buy some time to find a place of economic repair and stop the expansion of the crack.
  3. Purchase a repair kit windshield of an auto shop. The kits consist of the same resins used repairers to repair the cracks. Mix the resin with the applicator and place in the crack. Clean excess resin and follow the directions on the package for drying.

Tips & Warnings:

  • Apply repairs as soon as possible after the crack starts. If the crack has been for more than a month, dirt may have accumulated on it, which could make it impossible to repair at home.
  • Avoid applying products resistant to rain on the windshield after you suffer a fissure. These are wax-based products that help to repel water windshield and reduce the need to use windshield wipers. The wax will flow into the crack and prevent repair resins bind the glass.
  • Cracks large or complex, such as a large rock or baseball, they are not repairable. In these cases, replace the windshield as quickly as possible, as it may break even with a minor hit.