How To Repair Sheet Metal Door Rust

Specially formulated metal primers are designed to help prevent future.

How to repair sheet metal door rust.

How to repair rusted metal without welding. The area should be sanded until it. Fixing surface damage on a metal door step 1. The complexity of welding increases as the thickness of the material decreases.

Sand the damaged area use sandpaper or a sanding block to remove any existing rust or paint from the damaged area. The welding process actually adds new steel to the thin steel and can result in a repaired spot that is stronger than the original metal. The most permanent repair to a hole in sheet metal is to weld the hole shut. Apply metal paint primer to your door with a paint roller for the larger areas and a paintbrush for crevices and grooves.

Pull the trigger of the angle grinder and run the spinning 60 grit flapper wheel over the rusted area of the metal. Leave the rusted area exposed. I had a major rust problem in my 1989 mitsubishi montero ls v 6 four door and thought giving glue a chance would at worst demonstrate what not to do and at best bond some new steel in place of rust with a minimum of body filler. Cover the surrounding metal with masking paper and tape.

Thanks to modern chemistry and manufacturing we now have two part epoxy panel adhesives that are strong and flexible enough to bond metals together more or less permanently.