After slicing the patches out with a cutoff wheel next came the bending hammer and dolly session until the patches matched the holes and fit snug and flush into the flanged seat.
How to repair rust holes in sheet metal.
Welding creates a lot of heat and the sheet metal will twist and band away from the heat.
Step 2 grind away any trace of rust primer and paint at least 4 inches back from the edge of the rust hole.
Patching a hole with body filler.
The most permanent repair to a hole in sheet metal is to weld the hole shut.
The complexity of welding increases as the thickness of the material decreases.
Here s a few tips on repairing rust holes in car body panels.
The stitch method involves first making a few spot welds to hold the panel in place then adding short 1 inch stitch welds skipping about 4 5 inches then another and so on.
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.
How to fill rust holes in metal method 1 of 3.
Step 1 cut away any excess trim and loose debris from the area leaving enough metal to maintain the shape of the body.
Select a patch matching the type of metal you re repairing.
In this video im showing you the process i use to do small rust repairs where a complete panel.
Put on goggles gloves and a dust mask for protection.
I used a piece of pvc pipe a vice mount miniature metal break and body hammer kit test fitting with clamps was up next.
How to repair rust without welding.
Protect yourself against the.
This reduces the amount of heat each area is exposed to.