Roof Valley Shingle Weave

Pros of woven valley shingle installations.

Roof valley shingle weave.

All of the shingle rows will need to be lined up correctly. So if you are installing a woven valley you must push the shingles snugly into the valley while not nailing within six inches of the valley center. Here we have a laminated shingle roof that has been installed with a woven valley detail. A woven valley shingle installation is one where the shingles from both sides of the roof valley extend over the valley and weave together overlapping courses alternately.

To understand what makes a valley either closed or open it is important to understand how a valley is constructed. Water has a small chance of even getting up under the woven valley shingles even though it flows in either direction. One of the details that varies between homes is the method of flashing the valley areas of the roof. This is an incorrect installation of this type of roofing material and will be more prone to water intrusion and will void the manufacturer s warranty for this material.

Closed valleys or open valleys. Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.