DIY Bumper Crack Repair

Here’s how to repair a crack in a plastic bumper. Cracked bumpers are common on many vehicles that frequent shopping malls drive on rural roads. Often times a replacement is not warranted due to high cost or low quality replacements. This video demonstrates how you can fix your cracked bumper by yourself at home, with supplies you can get from any auto-parts store. First, a V-groove is grinded into the back of the crack to increase the surface area for the epoxy adhesion. The crack is then sanded and cleaned. The top of the crack was secured with a clamp and the front of the crack was held together with tape. JB-Weld Plastic Bonder was then used to fill in the crack from behind. Drywall tape was used as a reinforcement and the setup was allowed to cure overnight. After the 2-part epoxy is dried, it will be rock hard. From the front, the crack should now be much less visible if it was aligned properly. Sand the front of the bumper around the damaged area. Use