The combination of outdoor moisture oxygen and carbon dioxide can damage an exterior metal door resulting in unsightly rusty patches.
Repair rusted base of garage door.
Rust can be effectively removed with a wire brush.
I have heavily rusted garage door rails especially where they meet the concrete slab.
Step 2 working from inside the garage smooth the inside edges of the hole with rough grit sandpaper.
First of all you have to remove all the dust and grime.
I attempted sanding the inner track with a dremel ineffective.
Place plastic tarps on the ground beneath the hole on both sides of the garage door.
You just need sprayer bottle hot water vinegar baking soda rags any liquid detergent steel wool sand paper oil based primmer paint brush matching paint.
In this video i focus on door bottom rust repair and will be showing you how to remove and replace a lower door skin on a car or truck.
Coat the sanded areas at the bottom of the garage door with a zinc chromate primer using a paintbrush.
In order to get rid of rust problem in case of garage doors you can use this best way.
Attempted sanding with a cone shaped sanding electric drill bit ineffective.
Be careful not to scrub the door too deeply as it will leave scratches.
Scrub gently at rusted areas on the door surface.
You re likely to remove some of the paint as you scrub.
Sometimes the rust eats.
Let the primer dry.
Turn off the garage door opener if there is one so that the door will not move while you are patching the hole.
It helps if you brush in small circles.
Be sure to remove any loose rust and flaking paint from around the rusted areas down to the bare metal of your garage door so you can complete the repair properly.
The zinc chromate helps prevent further rust from developing.
The garage door seal has been replaced and upgraded.
First sand off any surface spots of rust using a coarse sanding block or an electric hand sander.