How To Roof A Valley With Dimensional Shingles

Drive nails at high points on the underlying roof the bottoms of the shingles.

How to roof a valley with dimensional shingles.

Begin to install roof shingles on either roof face. This video demonstrates the proper installation technique for installing roofing valleys. Over driving nails is always a. The open woven and closed cut methods are demonstrated.

The two pieces should meet neatly at the corners. When the shingles from one side of the valley are laid across the valley while shingles from the opposite side are trimmed back approximately two inches from the center of the valley. 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. There are between 3 5 bundles of shingles per roof square.

Roof one side of the valley running the shingles across it. Shingle the other side of the valley the same way. 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. The lower edge of a tab on a shingle.

Nail down each valley shingle at least two inches 50 mm back from the chalk line. Step 6 install valley flashing if you have an open valley install new w shape metal or vinyl valley flashing to fit directly over the old flashing. Stop nailing 6 inches from the center. This is a roofing demonstration of how to install shingles on one side of your roof diy.

When you reach the valley lay the shingles over the valley and trim the edges to the chalk line. Keeping a solid roofing layer of shingles is an important way to avoid water damage and. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.

How to lay shingles. Attach it by driving nails into the outside edges only. How to install shingles on a roof step by step.