Thinking about putting a new two part mix EPDM top coating on by rolling it on. My son told me that he was told that once this was done, it makes a RV hard to sell later down the road and devalues a m...
Manufacturers recommend just cleaning a rubber roof with a mild soap and soft brush, but no coatings are recommended.
My coach is 20 years old and has a rubber roof. I had it coated with a non-petroleum coating made for that purpose about 10 years ago as a preventive measure, and haven't had any problems. It has never leaked. I plan to have it recoated this next summer.