Roofing Shingles How To Install Valleys

Ensure ice and water protector has been installed along the valley first.

Roofing shingles how to install valleys.

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 secure the roof valley flashing nail it down carefully. Strip of wsu along the eaves edges and i crosslap the strips at 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.

With underlayment and flashing installed apply shingles up to one side of the flashing. Then starting at the base of the. Valleys are a prime leak area so it s important to be careful. The open woven and closed cut methods are demonstrated.

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. I overlap the inside corner of the drip edge at the valley to minimize sharp edges that could cut into the wsu over time. Only nail at the edges with only enough nails to. Do not drive nails into the flashing.

How to do it. For longer roof performance iko strongly recommends open metal valleys. Complete the application of underlayment and valley flashing before the roofing shingles are applied. Closed valleys are completed during shingle installation.

These strips go under the drip edge.