Woven Closed Valley Roof

It is always a good idea to check with the manufacturer or a certified installer of the product such as ourselves.

Woven closed valley roof.

The only type of valley that is unacceptable is the woven valley. Additionally if not laid carefully the shingles on a woven valley can create unsightly bumps and lumps leading to a weird looking roof. Here we have a laminated shingle roof that has been installed with a woven valley detail. Cut valley this is a closed roofing valley style that is used to give the roof a cleaner sharper appearance.

For a closed valley the roofer will install the shingles onto the roof deck and extend the asphalt shingles through the area where opposing roof planes meet so that the shingles cover or close the valley area. There is a variation on the closed cut referred to as a california valley. For a closed valley shingles are installed across the joint where planes intersect. With each new course roofing shingles continue up the valley.

If you are installing a closed valley the roofer will install shingles to the roof deck and extend the shingles through the valley so that it covers the entire valley area. Woven valleys should only be used with strip shingles. It s very practical where one roof slope is steeper than the other. All of the shingle rows will need to be lined up correctly.

Certainteed recommends closed valley for their lifetime landmarks and 25yr xt lines. To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together. According to long time iko sales representative jeff tessaro closed valleys for residential construction have been popular since he was a roofing contractor in the late 90 s. But if the shingles are not laid in the valley properly a woven valley may not lay flat creating bumps and detracting from the overall look of the roof.

Here are diagrams of each style valley style. Some homeowners prefer the consistent look that a woven valley provides. Closed woven valleys the seam where the two planes of roofing meet are aesthetically woven together to form an interlaced design which creates a seam that matches the contours of the roof. Pros of woven valley shingle installations.

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.