This is done to give the paint a better surface to adhere.
Rain pouring off roof.
How to redirect rain off a roof 1.
Avoid those problems by taking 25 minutes and using the techniques shown in photos 1 3 to install a rain diverter.
In winter melting snow creates a slip and fall hazard when it drips and freezes on porch stoops.
Score the surface of the drip edge with 80 grit sandpaper.
Place a piece of standard metal drip edge onto a table or between a pair of sawhorses.
Paint the drip edge.
In a heavy rain the spouting from a part of the upper roof drains to another piece of spouting which lies on the garage roof and empties in to the garage spouting.
There is a splash guard at the end of the spouting coming down to the garage spouting.
You can also install mesh screens over your gutters that catch leaves and other debris from falling inside.
If you have a steeply pitched roof the water may be traveling so fast it splashed over the gutter.