My rubber roof, I believe its epdm, is covered with spots. Had rv tech inspect it and says roof is fine and looks like got sprayed with something. I keep rv in a building but noticed these after leavi...
Here is a closeup of spots on my roof. I don't think they are of concern, or that yours or mine, are affecting the integrity of the roof.
Mine was purchased new in August 2012, and this is a recent picture. It took 5-6 years before any spots showed up. I check roof caulk areas, check for any damage, on a regular basis, but roof cleaning was not a top priority.