The first steps are to sweep away any loose debris and then wash the roof as you normally would.
How to remove black spots on rv roof.
Spray it on the specific parts of the roof where molds mildew and stains appear.
You can also get rid of the accumulated molds in your rv rubber roof with the help of a household bleach.
What you have to do is to combine a cup of this bleach with a gallon of water.
In fact this solution will even help with the dreaded black mold removal.
This will cut right through the mold mildew and scum without hurting the paint or fiberglass.
Soak your sponge in it and then apply it to the affected areas.
Pour this solution into a large spray bottle.
Since the roof is fiberglass just like a typical shower stall there are other brands and types of cleaners that will also work well.
Be sure children and pets are kept away from both your work area and the tarp.
Dirt grime and time can leave your rig pray to difficult remove black streaks.
Rv advice how to remove black streaks from your rv rv expert mark polk shares his tips for removing notorious black streaks from your rv.
There are cleansers made specifically for cleaning rvs.
You will need one cup of household bleach mixed with one gallon of water.
To make a diy mold and mildew remover simply mix a gallon bucket of hot water with a cup of powdered dishwashing detergent and a dash of bleach.
Next mix 1 2 cup of borax with 1 gallon of water.