Woven Valley Roof

The problem with the installation is that the shingle rows will need to be lined up correctly.

Woven valley roof.

It is a method where the valley is completed by overlapping and weaving the shingle courses rather than cutting the shingles back to form a trough lined with a sheet metal flashing see figure wv 1. The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off. 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. Pros of woven valley shingle installations.

Here we have a laminated shingle roof that has been installed with a woven valley detail. Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet. A closed cut asphalt shingle roof valley starts the same way as a woven valley with the first course of shingles run across the valley from both roof planes lapping the shingle from the larger or steeper roof plane over the shingle from the smaller shallower plane. Some homeowners prefer the consistent look that a woven valley provides.

Advantages of woven valley shingles. Woven valleys should only be used with strip shingles. Roof valleys are the points at which 2 planes on your roof are joined which channel the water to flow off your roof. All of the shingle rows will need to be lined up correctly.

To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together. A woven valley is one method of installation for asphalt shingles at a valley where two intersecting roof slopes meet see featured photo above. Valleys come in three main styles. But if the shingles are not laid properly in the valley a woven valley may not lay flat creating bumps and detracting from the overall look of the roof.

Some homeowners prefer the consistent look that a woven valley provides. Closed woven and open. To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together. 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.