How To Weave Shingles In A Roof Valley

Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.

How to weave shingles in a roof valley.

From the ground it looks as the shingles meet in a clean line in the center of the valley. Asphalt shingles roofing how to install valley by roofrepair101 more about roof installation at. Pros of woven valley shingle installations. 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.

California cut valleys make for a great closed cut valley however we have an installation trick to improve performance in areas of high winds snow or rain. I always weave my first course. All of the shingle rows will need to be lined up correctly. Here we have a laminated shingle roof that has been installed with a woven valley detail.

Water has a small chance of even getting up under the woven valley shingles even though it flows in either direction. But after that i run the shingles up the valley aligning the top edges with the course lines and the top outside corners with the guide line. Woven valleys should only be used with strip shingles. As the asphalt shingles are installed over the roof deck the shingles are extended into the valley.

One layer of shingles actually crosses the valley beneath the other. Now i m ready for the other roof plane. For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. 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.

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. In addition it is important to avoid nailing the shingles through the valley metal. Away from the valley center.