How To Shingle A Valley In A Roof

Step 6 shingle valley.

How to shingle a valley in a roof.

The next shingle should be directly atop the first one. Secure all of the 3 tab shingles to the roof plane with the 1 inch roofing nails using the local building codes as a placement guide except for the shingles covering the flashing material. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.

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. For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. The open woven and closed cut methods are demonstrated. Each successive shingle should be then placed with a six inch overlap or until the adhesive strip contacts the bottom of the shingle tabs.

Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. 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. Shingles from the other side are run through the valley center line and cut along a line parallel to and 4 cm from the center line. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.

From this starter shingle continue moving up the valley roof. Stop nailing 6 inches from the center. A woven valley shingle installation has other drawbacks including that they are slow to install especially in cold weather and more difficult to repair than the other types. Roof one side of the valley running the shingles across it.

Extend the 3 tab shingles on one of the roof s planes past the valley at least 12 inches. Continue until you reach the top edge of the valley roof.