Use warm water to sponge the surface clean then let it dry.
How to redo a rubber roof.
This is a long video but it will show you how to do it.
If the surface has suffered abrasion or other damage apply a specially formulated rubber roof topcoat to restore the surface.
On rubber roofs apply an approved rubber roof treatment to revitalize the rubber surface and protect it from uv deterioration.
In order to restore the gloss you first must clean your roof thoroughly.
Use a razor knife to cut out old silicone caulking.
Make sure you offset yo.
Unroll the membrane over the roof into the proper position.
In order to get the best results the surface must be free from any oil or grease.
You can use mek methyl ethyl ketone or acetone to remove any grease stains.
And tie it into your hip roof.
Allow three inches of material to extend over the edges.
Apply duct tape along the width and along the length.
Allow 15 to 30 minutes depending on the weather for the material to relax.
Power wire brush or aggressively scrub with a plastic scrub pad or sandpaper all surfaces where the old caulking was.
How to remove repair and install a flat roof.
Scrape away all existing patching materials and caulking.