How To Repair Sheet Metal With Fiberglass

You should target a 50 50 fiber to resin ratio for your repair so once you have weighed your reinforcements measure out the same weight of resin.

How to repair sheet metal with fiberglass. After slicing the patches out with a cutoff wheel next came the bending hammer and dolly session until the patches matched the holes and fit snug and flush into the flanged seat. How to fiberglass over metal. This seals the fiberglass much like a gel coat for a factory perfect finish. Thoroughly clean the area until the rag no.

Scuff the entire area removing any loose. Grind the area of the metal that will be getting fiberglass applied to it using an air grinder. I used a piece of pvc pipe a vice mount miniature metal break and body hammer kit. Sanding the repair smooth and then using a body filler and high build primer to finish it.

Add catalyst or hardener and mix the resin as instructed. I then used the templates to trace out the patch panels on some sheet metal. Use the paintbrush to apply a coat of mixed resin on the damaged area. Wipe the ground area of the metal clean with a rag and acetone.

The last step after the bodywork is the polyester primer. Keep applying layers of cloth pieces and resin until the area is repaired completely. Measure mix and apply your resin once your patch materials are prepared pre weigh the reinforcement schedule.