Pros of woven valley shingle installations.
Roof valley shingle weave.
Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.
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.
All of the shingle rows will need to be lined up correctly.
There are two common methods for completing the flashing of a valley in a shingle roof system.
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.
One of the details that varies between homes is the method of flashing the valley areas of the roof.
Water has a small chance of even getting up under the woven valley shingles even though it flows in either direction.
Here we have a laminated shingle roof that has been installed with a woven valley detail.
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.
Woven valleys should only be used with strip shingles.