Roof Valleys Metal Or Shingle

In addition it is important to avoid nailing the shingles through the valley metal.

Roof valleys metal or shingle. That flashing is left exposed so the roof has visible lines of metal running down the valley. Roofing shingles are installed then cut and sealed where they overlap the metal channel. 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. 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.

These items can be fabricated in many different profiles. Open valley shingle installation an open valley relies on metal flashing for protection. The shingles are then cut out of the valley area opening the surface of the valley lining to water run off and the environment. Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water.

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