How To Weave A Roof Valley

To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together.

How to weave a roof valley.

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. 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. Closed cut valley even if i work toward the valley with three tab shingles cut valleys are faster than woven valleys hands down. Some homeowners prefer the consistent look that a woven valley provides.

There are three ways to roof valleys. These factors can cause water to go under nearby shingles resulting in 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. Asphalt shingles roofing how to install valley by roofrepair101 more about roof installation at.

Plus cutting the closed cut valley shingles can happen after the rest of the roof is shingled. Often they are dammed by debris. Open metal closed cut and woven. With a closed cut valley there s no need to shingle the two roof planes at the same time.

In downpours torrents from two planes of the roof meet. Valleys are notorious for developing leaks.