Many houses in the usa have complex roof structures that create valleys.
Roof valley water diverter.
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.
Rainwater diverters help hold debris back and away from the gutter guard allowing water to more freely flow through the gutter guard.
It incorporates a patented cheese grater style top and louvered sidewall design.
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Water flows through the open slots into the gutter and debris washes over the top of the surface and falls to the ground.
It prevents rain water from cascading on the inside corners of the shingle roof.
While this increased flow may help reduce the need for cleaning your gutter guard it does not eliminate it.
Eliminates the hazard of owerflowing water and ice and prevents dangerous slip and fall accidents.
Here are the details about barnett s valley controller.
The diverter solves this problem by collecting and redistributing water to the gutter system.
Roof valley rain water diverter is the only product on the market that solves the problem of overflowing water on an a roof.
Choose brown for a dark colored roof and natural aluminum for a light colored roof.