Shingle Vally Roof Metal

Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.

Shingle vally roof metal.

Open valley shingle installation an open valley relies on metal flashing for protection. With a clean valley you can lay down some peel and stick roofing membrane. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.

Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water. And while some homeowners may prefer the aesthetics of a closed valley the heavier and thicker the shingle the less likely it is to lie flat across a joint. The open woven and closed cut methods are demonstrated. Lap successive sheets of metal flashing a minimum of 12 inches and seal laps.

A chalk line is then used to strike a line from the top of the valley to the bottom of the valley. These items can be fabricated in many different profiles. The metal is usually pre painted to best complement the shingles color blend. 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 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 an armourvalley membrane or metal flashing for protection. With an open valley a strip of metal will be visible on the roof wherever two opposing roof planes meet. Armouvalley and metal flashing are left exposed so these materials stay visible on the roof.

This video demonstrates the proper installation technique for installing roofing valleys. 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. In addition it is important to avoid nailing the shingles through the valley metal. Then install a non corrosive metal valley flashing of 24 minimum width.

That flashing is left exposed so the roof has visible lines of metal running down the valley. For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck.