How To Repair Sheet Metal Door Rust

Pull the trigger of the angle grinder and run the spinning 60 grit flapper wheel over the rusted area of the metal.

How to repair sheet metal door rust. The complexity of welding increases as the thickness of the material decreases. 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. Cut some sheets of masking paper to size with a sharp pair of scissors. Press them flat against the surface of the metal then secure the edges with masking tape.

The area should be sanded until it. The most permanent repair to a hole in sheet metal is to weld the hole shut. How to repair rusted metal without welding. Cover the surrounding metal with masking paper and tape.

Specially formulated metal primers are designed to help prevent future. 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. 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. Fixing surface damage on a metal door step 1.

Sand the damaged area use sandpaper or a sanding block to remove any existing rust or paint from the damaged area.