Proper Way To Shingle A Roof Valley

To understand what makes a valley either closed or open it is important to understand how a valley is constructed.

Proper way to shingle a roof valley.

Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. As shingles are installed on the adjoining roof area the end of each course of shingles is trimmed cut 2 back of. Begin to install roof shingles on either roof face. There are two common methods for completing the flashing of a valley in a shingle roof system.

Taking the right steps before applying the shingles not only goes a long way toward preventing roof leaks but it also helps to cushion the shingles or metal valley against the ragged edges of the roof sheathing at the centerline of. Over driving nails is always a. Doing it properly will keep you without problems for 20 or 40 years. Laying shingles can be hard and hot work but the reward of an attractive watertight roof can be worth it.

One of the details that varies between homes is the method of flashing the valley areas of the roof. Proper steps to shingle a house roof. Shingle the other side of the valley the same way. Closed valleys or open valleys.

Regardless of the shingling method every successful valley installation begins with proper roof preparation. Stop nailing 6 inches from the center. When you reach the valley lay the shingles over the valley and trim the edges to the chalk line. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.

The most common closed valley is a closed cut valley where shingles are installed on the entire roof area on one side of the valley first with each shingle course extending at least 12 through the valley centerline. I then move the shingle to the uppermost course on the roof plane line up the mark on the shingle with the valley center and again mark the corner. Nail down each valley shingle at least two inches 50 mm back from the chalk line. Roof one side of the valley running the shingles across it.

To shingle out of the valley with laminated shingles lay a shingle down as a gauge and mark the corner at the bottom left and top right of the roof.