Roof Metal Or Shingle Valleys

Woven closed cut and open.

Roof metal or shingle valleys.

For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck. Metal valley will last forever. To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together. It is made of galvanized steel and will not rust.

Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water. A chalk line is then used to strike a line from the top of the valley to the bottom of the valley. When all roof components are performing well a roof s lifespan is more likely to be maximized. Valleys are a very important part of a well designed roofing system.

Roofing shingles are installed then cut and sealed where they overlap the metal channel. These items can be fabricated in many different profiles. An improper installed valley can be the cause of serious leaks. Woven valley shingle installation.

Essentially there are three main ways to shingle a roof valley. The shingles are then cut out of the valley area opening the surface of the valley lining to water run off and the environment. Some homeowners prefer the consistent look that a woven valley provides. The metal is usually pre painted to best complement the shingles color blend.

In addition it is important to avoid nailing the shingles through the valley metal. Shingles in the valley will not last forever and will have to be replaces during a re roof project but the nails will not leak. The valley is one of the most critical details on the roof because it collects a lot of water. However the hole that is created from the nail may eventually leak.

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. Unlikely but it can. The three methods to shingle a roof valley.