How To Clean A Metal Roof For Painting. This is a two coat application. It’s important to clean off any dirt, debris, rust or any other grime from the surface of your roof before painting.
We then apply the finish coatings that resist fading. It is recommended that cleaning either of these be accomplished with a mild solution of detergent. Metal roofs can get very hot during the summer, and it’s always tricky working on a roof during the winter.
Not only is it harder to control the drip of chemicals, it's also much more dangerous to get on top of and clean thoroughly.
After that, remove them by rinsing with water. Soak your cloth or sponge in the water/detergent mixture. Adding in a metal roof cleaner. Thankfully, at picazzo painting and pressure washing, we use special equipment and harnesses to make sure we clean your steep roof perfectly and safely.