How To Repair Sheet Metal With Fiberglass

Sanding the repair smooth and then using a body filler and high build primer to finish it.

How to repair sheet metal with fiberglass.

Measure mix and apply your resin once your patch materials are prepared pre weigh the reinforcement schedule. Wipe the ground area of the metal clean with a rag and acetone. Grind the area of the metal that will be getting fiberglass applied to it using an air grinder. Use the paintbrush to apply a coat of mixed resin on the damaged area.

Then place a piece of fiberglass cloth onto the damaged spot and saturate it with the mixed resin. Add catalyst or hardener and mix the resin as instructed. The resin should cover the area that extends 2 to 3 inches beyond repair. Scuff the entire area removing any loose.

One extra step should be taken which is to use a sprayable polyester primer. I then used the templates to trace out the patch panels on some sheet metal. The last step after the bodywork is the polyester primer. Keep applying layers of cloth pieces and resin until the area is repaired completely.

Thoroughly clean the area until the rag no. This seals the fiberglass much like a gel coat for a factory perfect finish. How to fiberglass over metal.