Now, the most important thing to remember when painting a rusty metal shed is NOT to do it in late July in South Texas. Just stay inside, enjoy your air conditioning, and wait till Fall. Since my shed was only lightly rusted I decided sanding it wasn’t necessary and chose to wash it with TSP instead.
I’m now going to become one of those people that sings its praises, because the stuff is magic. MAGIC I tell you. It comes in powder form, you mix it with warm water, get to scrubbing, and the dirt and rust come pouring off. Literally.
So much better already, right? I had other prep planned for the shed, but after cleaning it with TSP I decided that it was good to go.
Next up was to prime the shed, I used Behr® Premium Plus® Exterior Multi-Surface Primer and Sealer.