How To Clean A Metal Roof Before Painting. This may seem like an easy task, but there are strict processes of how to clean your metal roof safely and correctly so no harm is done to the panels, the building, or yourself. Like all your household or outdoor items, you need a clean colorbond roof, which means you should come up with a cleaning schedule to keep the metal looking its best and extend the life of the roof.
Do a thorough inspection of the roof for any signs of rust and remove by wire brush, acid etching or sand blasting. We then apply the finish coatings that resist fading. After that, remove them by rinsing with water.
I considered trying to use a pressure washer but there was no good way to access the entire roof with the wand, and i was also concerned that i might inadvertently catch the edge of a shingle and end up ripping a couple off by accident.
The first step when repainting a metal roof is properly preparing your roof’s surface with a powerwash treatment. Adding detergent solution to remove dirt & stains. Ing air on the metal parts before powder painting clip worker in protective equipment cleans construction them aluminum duster er gun cleaning clean handy tool stock stainless steel paint getting the best finish rawlins paints unled painting rust 6 to know before you start bob vila cleaning a painted metal roof system how to best methods how to paint metal 13 steps with pictures wikihow If your roof is unpainted, prime it with a metal primer.