Homestrip p v remover would certainly be the safest way to remove it.
Strip paint off metal garage door.
For this reason you will go over the door with a paint scraper in areas with no visual damage.
Apply paint thinner to the painted area with a paint brush.
Be generous and put a good thick layer onto your item.
After it s dry use a paint scraper and scrape off any paint or graffiti that is still there.
It removes paint from all surfaces plus its non toxic no fumes or skin burns and is just as effective as your normal run of the mill toxic products.
You can also use a nylon brush to scrub off the debris.
Here s the link to the projects page on home strip and there is a link to purchase in the tool store.
Look for spots where the paint is peeling and use the paint scraper to remove the paint.
Get your good old plastic wrap yes lunch wrap glad wrap or the equivalent and lay this down over the stripper extending a small way past the ends of the piece.
You could try the more environmentally friendly strippers eg.
Scrape all the chipped bubbled and peeling paint off the steel garage door with a rigid metal putty knife.
Spray down the door with a garden hose to remove any dust dirt grime and the chipped off paint or graffiti from the garage door.
Pressure wash the area on a setting of 80 psi.
Sand the areas with medium grade sandpaper where the paint has been removed to lightly roughen the surface of the.
How to fix peeling paint on a steel garage door 1.
Let the door air dry after spraying it.
Step 2 prepare the steel.
Examine the steel garage doors carefully.
Apply paint thinner or stripper and.
Sometimes the paint will be free of the metal but has yet to crack.
How to remove paint from metal doors step 1.
Sand off any rust.
Spread the wood filler and allow it to dry.