Fix A Leaking Roof Valley

Once the roof valley has begun to leak you will need to cover the valley with flashing in order to prevent a repeat of the problem.

Fix a leaking roof valley.

Though roof valleys are com mon leak sites on shingle roofs it s typically fairly easy to fix these problems with a little know how. Step 2 remove the shingles. In other cases water can become trapped under shingles which have been overlaid to create the valley trough. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in.

Roof valleys are prone to leaking and are a well known weak spot on older roofs. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. If that water doesn t shed off the roof fast enough or gets. Just like in nature a valley on a roof is designed to collect water.

Roof valleys if not installed correctly are one of the most leak prone areas on the roof. How to identify a leaking roof and fix it. Roof valleys are created wherever two roof surfaces intersect to form a shallow v shape. Check the entire roof valley carefully to locate the source of these problems.

This method of lead valley repair is proven to not only be fast and safe wit. The sealants and roof pitch used can crack and chip away over time. Find them locally at hardware stores or home centers improved attic insulation and ventilation are usually the best ways to prevent ice dams. This project identifies some of the causes of leaking roofs including damage to ridge tile mortar damage to verge tile mortar damage to lead flashing around the chimney stack and how damage can occur in a roof valley.

In order to lay the flashing the shingles on the roof will have to be removed. Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks. If you re not sure what a roof valley looks like check out the photos on this page. Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs.

If leaks continue to occur from ice dams consider installing roof edge heating cables. Roof valleys carry a lot of water. Because roof valleys function as a drain on the roof they receive as disproportionate volume of water every time it rains. Roof valleys are channels designed to drain runoff water and like any other part of your roof they can degrade over time with exposure to the elements.