how to clean gray/black spots from roof?

Question

I have a '02 Newmar with a rubber (Brite tec ) roof. I have been parked for a couple of months in a wooded cg, resulting in gray/black spots staining the roof. I have used spic and span in the past for general cleaning, but it's not effective for these extensive stains.

I think I've read or heard that soft scrub with bleach can be used? If not, what product can be used on these mold stains?

Thanks

bhivetravels · Answer

My understanding is that bleach should be avoided due to the damage it does to the rubber roof itself.  I use Murphy's Soap for general cleaning and rubber roof cleaner from Camping World for the tougher spots.

lostdog · Answer

X2 on the murphy's.  When I had a fifth wheel with a rubber roof I used a 50/50 solution of Murphy's and Spic n Span.  Though in truth the dark stains didn't hurt anything and nobody could see them so I didn't worry too much about them.

10forty2 · Answer

Used sparingly, the X-14 Mildew remover works wonders.  It is a really strong cleaning agent specifically formulated for mildew.  Several years ago, I bought a used boat that had been in storage for a while.  All of the rub-rails were severally mildewed.  X-14 was recommended...so I bought a bottle.  Almost instantly, the black mildew disappeared.  BUT... it is a bleach product, so beware.

ksg5000 · Answer

I used to send my son on the roof with a bar of lava soap inside an old sock - an hour or so later I had clean semi new looking roof.

topflite51 · Answer

I have used white vinegar and water (50/50 solution) to remove stains from our rubber roof.

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how to clean gray/black spots from roof?

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