How To Repair Sheet Metal With Fiberglass

Grind the area of the metal that will be getting fiberglass applied to it using an air grinder.

How to repair sheet metal with fiberglass.

Add catalyst or hardener and mix the resin as instructed. I used a piece of pvc pipe a vice mount miniature metal break and body hammer kit. Keep applying layers of cloth pieces and resin until the area is repaired completely. This seals the fiberglass much like a gel coat for a factory perfect finish.

Use the paintbrush to apply a coat of mixed resin on the damaged area. One extra step should be taken which is to use a sprayable polyester primer. Scuff the entire area removing any loose. Measure mix and apply your resin once your patch materials are prepared pre weigh the reinforcement schedule.

I then used the templates to trace out the patch panels on some sheet metal. Then place a piece of fiberglass cloth onto the damaged spot and saturate it with the mixed resin. How to fiberglass over metal. Sanding the repair smooth and then using a body filler and high build primer to finish it.

Wipe the ground area of the metal clean with a rag and acetone. Thoroughly clean the area until the rag no. 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.