Scrape all the chipped bubbled and peeling paint off the steel garage door with a rigid metal putty knife.
Strip paint off metal garage door.
Sand the areas with medium grade sandpaper where the paint has been removed to lightly roughen the surface of the.
Homestrip p v remover would certainly be the safest way to remove it.
For cracks in the door scrape or sand off any rough or raised edges.
Apply paint thinner or stripper and.
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.
Spread the wood filler and allow it to dry.
Use a heat gun to heat up the paint until it begins to curl and scrape it away with a scraper.
Be generous and put a good thick layer onto your item.
Look for spots where the paint is peeling and use the paint scraper to remove the paint.
Pressure wash the area on a setting of 80 psi.
You can also use a nylon brush to scrub off the debris.
Apply paint thinner to the painted area with a paint brush.
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.
Let the door air dry after spraying it.
You could try the more environmentally friendly strippers eg.
Here s the link to the projects page on home strip and there is a link to purchase in the tool store.
Step 2 prepare the steel.
After it s dry use a paint scraper and scrape off any paint or graffiti that is still there.
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.
Examine the steel garage doors carefully.
Sand off any rust.
Sometimes the paint will be free of the metal but has yet to crack.
How to remove paint from metal doors step 1.