But i would use the oil based rust oleum primer which by the way takes forever to dry.
How to paint exterior steel siding.
There are many different types of factory applied coatings used on metal siding.
Clean the steel with a chemical degreaser.
When ready pour the primer into the paint container on the sprayer or pour the primer into the paint tray.
If your siding is horizontal paint left to right.
Pay special attention to the type of metal substrate.
Depends on the weather but three or four or five hours is not unusual.
The first step includes cleaning.
Spot prime bare areas with a rust inhibitive primer such as diamond vogel s coteall multi purpose alkyd primer iron prime 600 fast dry universal primer.
The most common exterior painting method for aluminum and metal siding is brushing or spraying.
Step 4 retouch.
Standard high quality 100 acrylic exterior paint is the best choice for painting aluminum and steel siding is most environments.
Step 3 paint.
There are a few different methods of doing this depending on how good of a job you want to do how much time and energy you have and how large of an area you are doing.
Start at the top of the wall and across the length of the metal siding.
And then i would use the rust oleum top coat.
If vertical paint up to down.
Then apply the primer to the metal siding in even strokes.
You may also use a roller depending on the width of the siding.
If your paint is dripping then you have too much.
Step 2 tackle rust.
How to paint steel siding.
A powerful degreaser will cut through dirt grime mold and other problematic residue without affecting the temperamental zinc coating.
If you are striping a small area then you can do very well with a bucket of water that has some bleach and tsp in it.
A new paint job was the solution.
Step 1 clean the steel siding.
Paint in long even strokes making sure not to overdo it.
That is how you can get the paint to adhere to steel siding.
Wash the steel siding with trisodium phosphate tsp and use a pressure washer.
Spray the surface with the solution then scrub it with a clean lint free cloth.
For steel use a latex bonding primer instead of a regular metal paint primer.
Work from the top down to eliminate dripping paint from ruining your hard work.