replace any missing caulk around doors and windows with acrylic latex caulk. Old aluminum siding tends to develop a chalky surface, and because the chalk interferes with paint adhesion ...

Aluminium doors are one of the most popular options ... painted using an epoxy or acrylic product. A paint sprayer, like this ...

“When I was painting a large section of aluminum siding on my house ... Of course, I had to be really thorough with masking—windows, doors, and everything nearby—because overspray can ...