Here s the link to the projects page on home strip and there is a link to purchase in the tool store.
How to remove paint from galvanised garage door.
Dampen a rag with isopropyl alcohol rubbing alcohol if latex paint or acetone if an oil paint.
Rub it into the galvanised surface until the paint begins to thin.
You want the water to be soapy.
Thoroughly soak the sponge and wring out the excess water to make the sponge damp.
Homestrip p v remover would certainly be the safest way to remove it.
Wipe down the steel garage doors to remove the dust and debris.
Then degrease the door with sugar soap and allow to dry.
Clean the garage door s surface with a water based cleaner and a sponge.
After scrubbing the entire surface wipe with a clean cloth to remove any residue that may remain from cleaning.
Use lacquer thinner for especially thick layers of stubborn paint.
Using a heat gun outdoors is like trying to staple jello to a tree.
Rinse the excess paint with a wet cleaning cloth or sponge.
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.
Dampen the cloth with white vinegar and scrub down the entire surface of the garage door.
Fill a bucket with the hot water and several drops of the dish detergent.
Maybe screw some sheet metal to the wood sides of the door to prevent taking the paint off your wood too.
First you need to give the metal doors a really good scrub with soapy water and a clean cloth.
Sand the areas with medium grade sandpaper where the paint has been removed to lightly roughen the surface of the steel garage door.