Roofing Shingles How To Install Valleys

Do not drive nails into the flashing.

Roofing shingles how to install valleys.

I overlap the inside corner of the drip edge at the valley to minimize sharp edges that could cut into the wsu over time. How to do it. Where possible install three tab shingles so that the tabs falling over metal valleys or rake edges at the side of the house are at least four inches wide. 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.

Only nail at the edges with only enough nails to. To secure the roof valley flashing nail it down carefully. Strip of wsu along the eaves edges and i crosslap the strips at the valley. As with any asphalt shingling job i install a 9 in.

Closed valleys are completed during shingle installation. These strips go under the drip edge. 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. Valleys are a prime leak area so it s important to be careful.

Complete the application of underlayment and valley flashing before the roofing shingles are applied. For longer roof performance iko strongly recommends open metal valleys. With underlayment and flashing installed apply shingles up to one side of the flashing. The open woven and closed cut methods are demonstrated.

Then starting at the base of the.