Roof valley rain diverter has been designed to fit most roof valleys they prevent the runoff water from overshooting the rainhandlers.
Roof valley water runoff.
Roof valleys are troughs that discard runoff water where two sections of sloped roof meet.
During rain all the water from large roof area is funneled into the valley overwhelming very small section of the gutter and causing overflow onto the surfaces below.
The diverter solves this problem by collecting and redistributing water to the gutter system.
Earthminded flexifit diverter upgrade for 3 x 4 inch rectangular downspouts for new or existing installations easy to install catch rain water for outdoor chores.
This will help control water flow.
The valleys on many older houses comprise layers of roofing paper which can deteriorate over time.
Many houses in the usa have complex roof structures that create valleys.
Choose brown for a dark colored roof and natural aluminum for a light colored roof.
I d also add gutters to the upper roof line that dumps onto that portion of the roof that is a problem area.
Use wider 6 gutters.