How To Shingle A Roof Valley

This video demonstrates the proper installation technique for installing roofing valleys.

How to shingle a roof valley.

However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed. The open woven and closed cut methods are demonstrated. 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. 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.

Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys. 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. In addition it is important to avoid nailing the shingles through the valley metal. The open woven and closed cut methods are demonstrated.

As the asphalt shingles are installed over the roof deck the shingles are extended into the valley. The next shingle should be directly atop the first one. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Stop nailing 6 inches from the center.

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. In order to shingle this kind of roof valley a roofing professional has to install both roof faces at the same time which is quite slow. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles.

Continue until you reach the top edge of the valley roof. Roof one side of the valley running the shingles across it. Step 6 shingle valley. Extend the 3 tab shingles on one of the roof s planes past the valley at least 12 inches.