Roof Valleys Metal Or Shingle

Roofing shingles are installed then cut and sealed where they overlap the metal channel.

Roof valleys metal or shingle.

The shingles are then cut out of the valley area opening the surface of the valley lining to water run off and the environment. That flashing is left exposed so the roof has visible lines of metal running down the valley. Open valley shingle installation an open valley relies on metal flashing for protection. For example in metal roofing systems valleys are commonly fabricated with hems but can also be fabricated without them in which case they could still be used for metal roofing or any other type of roofing.

Some homeowners do not like the look of open valleys while others feel the metal accentuates the roof s shape particularly if copper or painted flashing is used. The metal is usually pre painted to best complement the shingles color blend. These items can be fabricated in many different profiles. Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water.

With an open valley a strip of metal will be visible on the roof wherever two opposing roof planes meet.