Weaving Roofing Shingles On Gable Valleys

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.

Weaving roofing shingles on gable valleys. 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. Asphalt shingles roofing how to install valley by roofrepair101 more about roof installation at. The most common closed valley is a closed cut valley where shingles are installed on the entire roof area on one side of the valley first with each shingle course extending at least 12 through the valley centerline.

For a closed valley shingles are installed across the joint where planes intersect. With each new course roofing shingles continue up the valley. Closed cut valley even if i work toward the valley with three tab shingles cut valleys are faster than woven valleys hands down. When you reach the valley lay the shingles over the valley and trim the edges to the chalk line.

A house with an l shaped or t shaped footprint for example always will have roof valleys where the two sections of the house meet. As shingles are installed on the adjoining roof area the end of each course of shingles is trimmed cut 2 back of. Roof installation how to shingle a valley hd by roofrepair101 more about roofing at. Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.

Woven valleys should only be used with strip shingles. Nail down each valley shingle at least two inches 50 mm back from the chalk line. 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. You can use a straight edge to achieve a straight cut.

Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled. With a closed cut valley there s no need to shingle the two roof planes at the same time.