If you did not do a good job of scraping off the old paint or there is chalking that you can t get to come off then you should first paint with a primer.
Painting metal flashing with siding paint.
Go over the metal with a wire brush to remove any oxidation.
However when it comes to painting metallic surfaces like aluminum flashing there are a few preparation techniques you need to know to make sure the finish will hold up over time.
Over time your metal siding will turn dull and rust.
If painting light to moderately used indoor metal surfaces think wall sconces bed frames or guest room night tables go with water based acrylic paint a cheaper 15 to 40 per gallon.
Oil and laquer will heat up and chalk in time.
The key to painting aluminum siding is to get it really clean and to use 100 percent acrylic latex paint.
Follow this guide to learn how to properly paint siding made from steel and aluminum and give it a facelift.
If crawling around on a metal roof in the hot sun does.
Apply the sherwin williams paint and primer to a galvanized roof with a paintbrush or a roller specifically designed for corrugated metal.
Before painting galvanized metal such as drip strips around eaves or roof flashing take the following steps so the paint will adhere properly and not peel.
Most experienced painters know the basics of applying paint to wood.
Check the label to be sure it s recommended for metal siding.
Expect to pay the premium for good paint.
The paint that you choose will depend somewhat on how well you prepared your metal siding to receive the paint and what the surface of it looks like.