How To Weave A Roof Valley

So if you are installing a woven valley you must push the shingles snugly into the valley while not nailing within six inches of the valley center.

How to weave a roof valley.

Often they are dammed by debris. With a closed cut valley there s no need to shingle the two roof planes at the same time. The woven valley shingle installation method does not call for roofing cement relying instead on the weave pattern to protect from water infiltration. To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together.

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. These factors can cause water to go under nearby shingles resulting in leaks. Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled. In downpours torrents from two planes of the roof meet.

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. Valleys are notorious for developing leaks. 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 cut valley even if i work toward the valley with three tab shingles cut valleys are faster than woven valleys hands down. Asphalt shingles roofing how to install valley by roofrepair101 more about roof installation at.