Roof Valley Leaking

Most shingle installers will use a thick 30 lb paper as a base for the valley.

Roof valley leaking. 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. From drip edge to valley flashing december 25 2018 drip edge metal valley flashing dormer chimney and kick out flashing shed water away from the connections between roofs walls chimneys and other building assemblies. And damaged flashing is behind most roof leaks. They are common on both hip and gable roofs.

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. Finding the actual spot where the roof leaks is difficult because water can enter the roof in one place and run down to another before it starts soaking into the ceiling. The goal is to find the leak before the entire roof goes bad. Most roofers that do shingles will use a heavy base paper instead of a rubber membrane.

Roof valley leaks roof valleys are created wherever two roof surfaces intersect to form a shallow v shape. A roof valley is very prone to leaks especially if you have an older roof. This video shows the traditional and best way to repair a lead valley on a roof. Roof valley leaks valleys in your roof are locations where two roof planes intersect and form a v shaped valley that runs down a slope of your roof.

The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters. A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof. Roof valleys carry a lot of water. Valleys can be especially troublesome because they carry a lot of water during heavy rain.

Valley areas are prone to leak due to the lack of using proper materials. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing. Many roof valley leaks are caused by roofing nails that have been poorly placed and are acting as a dripper feeding water through from the roof above. This method of lead valley repair is proven to not only be fast and safe wit.