14+ Garage Door Rust Hole Repair Background. Afterward, apply a coat of rust inhibiting sealer to the metal to protect it from further damage. Apply an amount of liquid metal epoxy filler into the hole.
Place the door on a pair of sawhorses so that you can access the holes. The vinegar reacts with the rust and dissolves it. How to fill holes in a metal door.
The procedure to fill holes in a metal door is similar to repairing wood doors.
An alternate product might be corroseal which is a rust converter and latex primer in one which can then be topcoated with a latex paint. You might not have the money to pay an auto body shop to perform the repair or the tools to cut and weld a new patch panel in. This detergent helps remove oil and dirt from the door. Make sure you overfill the hole, then use a putty knife to remove the excess filler and smooth the surface of the door.