Roof Valleys Metal Or Shingle

For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck.

Roof valleys metal or shingle.

These items can be fabricated in many different profiles. With an open valley a strip of metal will be visible on the roof wherever two opposing roof planes meet. Roofing shingles are installed then cut and sealed where they overlap the metal channel. The shingles are then cut out of the valley area opening the surface of the valley lining to water run off and the environment.

The metal is usually pre painted to best complement the shingles color blend. Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water. 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. Open valley shingle installation an open valley relies on metal flashing for protection.

That flashing is left exposed so the roof has visible lines of metal running down the valley.