We contacted the manufacturer of our seamless one piece roof material to find out their instructions on cleaning the roof.
Using murphy oil soap to clean rv rubber roof.
I had a customer that had their trailer sitting in the arizona desert for about five years.
The soap seemed to work ok but it s not a miracle soap.
Apply the roof treatment just after cleaning your rv roof.
It needs 24 hours to air dry completely.
Do not use this for your epdm rubber roof on your heartland trailer.
Rinse off a small section scrub lightly with a soft long handle brush then rinse off.
He was concerned that the roof may be beyond repair.
I found the instructions for cleaning the roof which calls for murphy s oil soap.
Some of the discussion suggested using murphy s oil soap on the roofs.
For us they suggested we use mild soap such as dove.
Keeping your rv roof clean should be done at least once a year.
Spray in 3 foot by 3 foot sections and spread with a clean damp sponge mop.
On tpo roofing alpha systems suggests using murphy s oil soaptm with a soft nylon brush or sponge.
Do not use solid or granulated cleaners on tpo as they will mar the natural finish.
Some say spic n span or murphy s oil but imho go with the rubber roof cleaner treatment in one such as bio kleen or best both available at the rv dealer or amazon.
Always pre rinse your rv sides before you rinse your roof.
From what i have read elsewhere murphy s oil soap can be used on tpo roofs don t quote me though do your own research if you own a tpo roof.
You will need about 16 to 20 ounces to cover the entire area.
Works to limit uv damage and helps keeps the rubber pliable.
Continue this process until you coat the whole roof.