How To Repair Sheet Metal Door Rust

Leave the rusted area exposed.

How to repair sheet metal door rust.

Apply metal paint primer to your door with a paint roller for the larger areas and a paintbrush for crevices and grooves. 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. 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 rusted metal without welding.

The area should be sanded until it. Specially formulated metal primers are designed to help prevent future. While sanding the rust from the surface of the metal the rust damage will be exposed and there is a chance that the rust hole you need to repair will grow larger. Cut some sheets of masking paper to size with a sharp pair of scissors.

The complexity of welding increases as the thickness of the material decreases. Press them flat against the surface of the metal then secure the edges with masking tape. The most permanent repair to a hole in sheet metal is to weld the hole shut. 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.