Originally Posted by Jersey Copper
A slim flexible gutter over the hinge and seal. Something that won't peel off doing my usual speed on interstate type roads. (100MPH tape come to mind)
You can buy the peel and stick RV gutter
from many sources. I used it on our last rig that had a rubber roof to keep the black streaks from messing up the side of the rig. Worked great.
Give it a try, worth a shot.