Some paints claim they are fine to use on bare aluminum and may work fine in some applications but if you want the finish to last do the preparation correctly.
Painting aluminum trailer siding.
You must take a few extra steps if you want the paint to continue to look good down the road.
Once everything is clean and dry you re ready to apply your primer.
Finally use an aluminum oxide primer before using a good acrylic latex paint.
If you need to paint aluminum siding choose a day when the weather is at least 50 f 10 c and dry since moisture from rain or dew will ruin a new paint job.
In a nutshell you need to start with a clean palette.
Once you have completed the paint job remember to remove the tape as.
The best way to get this siding clean is to power wash it.
With that said i have had pretty good success with behr marquee exterior paint and primer in one.
The key to painting aluminum siding is preparation and priming.
Painting an aluminum trailer starts with some preparation because aluminum by itself does not allow the paint to adhere very well.
After that tape off anything you do not want covered in paint.
If you are painting straight over an aluminum sided trailer you will want to use a primer that is meant for direct to metal application.
Painting aluminum siding with painter s tape and lengths of plastic sheeting protect items and areas adjacent to the siding.
All of the chalkiness must be washed and scrubbed off and any flaking paint removed.
How to paint aluminum rv siding.
Expect to pay the premium for good paint.
The key to painting your rv s aluminum siding is to make sure that the paint you use will adhere to aluminum.
Then wash your rv and let dry.
Coat your roller in primer and roll quickly and evenly along the panel of siding then roll backward in the opposite direction.