Once the fiberglass is layed up it should immediately be rolled out with a fin or bubble roller to remove any air trapped in between layers or part.
Fiberglass sheet metal repair.
I then used the templates to trace out the patch panels on some sheet metal.
Grind the area of the metal that will be getting fiberglass applied to it using an air grinder.
Fiberglass rust repairs are easily available at all local auto body supply store.
Typically fiberglass is used for rust repair by replacing the rusted metal and sealing the surface.
I used a piece of pvc pipe a vice mount miniature metal break and body hammer kit.
Air bubbles reduce bond and will expand with heat causing future problems.
Fiberglass is a non corrosive material that can be used as reinforcement or as a repair patch on almost all surfaces including metal plastic and wood.
These air bubbles air bombs reduce strength of repair and can also fail leaving a hole in glass and paint or gelcoat.