Metal Valley Shingle Roof

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

Metal valley shingle roof.

However the hole that is created from the nail may eventually leak. The three methods to shingle a roof valley. 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. Apply an approximately 3 inch width of asphalt roofing cement along the sides of flashing and embed shingles in mastic.

How to shingle a valley with architectural shingles. Metal valley will last forever. In most cases a metal valley will add durability and longevity to any roofing system. Fold the top over the roof ridge and cut the bottom along the drip edge metal.

When all roof components are performing well a roof s lifespan is more likely to be maximized. The open woven and closed cut methods are demonstrated. A chalk line is then used to strike a line from the top of the valley to the bottom of the valley. Stop nailing 6 inches from the center.

With a clean valley you can lay down some peel and stick roofing membrane. Ensure ice and water protector has been installed along the valley first. Shingle the other side of the valley the same way. Then starting at the base of the valley center your first piece of flashing in the valley.

The metal is usually pre painted to best complement the shingles color blend. Unlikely but it can. Roof one side of the valley running the shingles across it. First clean the debris out of the valley including sawdust nails and whatever else is in there.

For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck. Roofing shingles are installed then cut and sealed where they overlap the metal channel. It is made of galvanized steel and will not rust. Install synthetic roofing underlayment or felt paper according to manufacturer specifications and then install the first piece of valley flashing.

Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Preparation of the valley with an underlayment is a critical part of your roof installation. The underlayment is an integral part of every valley and provides a waterproof base all valley installations require appropriate underlayment layers. To secure the roof valley flashing nail it down carefully.

As a single component in the entire system a metal valley effectively protects other parts of your roof including shingles roof felt and the roof deck. This video demonstrates the proper installation technique for installing roofing valleys. Install an underlayment centered in the roof valley.