Repair your windscreen before it needs to be replaced. Our certified technicians can effectively repair a windscreen crack or windscreen chip in around 20-30 minutes, getting you back on the road as quickly and conveniently as possible. A windscreen crack can be repaired up to 15 cm (6 inches) long. At GJ Auto Services & General Trading our proven method is a safe way to repair your windshield, restoring the optical clarity back to the affected area, without the need to remove or replace your windshield.