While this is a normal aspect of roofing and.
Fix corner roof from rain diverter.
I recommend gutter covers if you have a steep pitched roof and you get a water flow gutter covers.
Exposure at the other end to create a drainage pitch.
If rainwater cascading down your roof valley causes a waterfall that washes out the petunias every time it storms do this simple fix.
It costs only a few dollars and takes about 20 minutes to complete.
Slide one end of the diverter tight to the bottom of the shingle tabs and leave a 1 in.
Slide the diverter in.
I do not recommend gutter covers if you have a low pitched roof and i don t recommend mesh gutter covers.
How to redirect rain off a roof.
You can find these precut gutter.
There are times when it rains especially during big storms that water cascades off of a roof like a waterfall.