How To Weave Shingles In A Roof Valley

As the asphalt shingles are installed over the roof deck the shingles are extended into the valley.

How to weave shingles in a roof valley. Woven valleys should only be used with strip shingles. I nail the shingles normally except that i keep nails at least 6 in. For closed cut valleys shingles on one roof plane are installed through a valley and extended at least 30 cm into the intersecting plane. Asphalt shingles roofing how to install valley by roofrepair101 more about roof installation at.

In addition it is important to avoid nailing the shingles through the valley metal. From the ground it looks as the shingles meet in a clean line in the center of the valley. All of the shingle rows will need to be lined up correctly. Water has a small chance of even getting up under the woven valley shingles even though it flows in either direction.

However these shingles are not run entirely through the valley area but rather the center of the metal valley is left exposed. Now i m ready for the other roof plane. One layer of shingles actually crosses the valley beneath the other. Away from the valley center.

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. 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. 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. 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. The woven valley shingle installation method does not call for roofing cement relying instead on the weave pattern to protect from water infiltration.