Repairing A Leaking Roof Valley

Leaking roof valleys and how to fix them.

Repairing a leaking roof valley.

Roof valleys are created wherever two roof surfaces intersect to form a shallow v shape. In other cases water can become trapped under shingles which have been overlaid to create the valley trough. For a do it yourself homeowner the job is easier with the help of. Roof valleys are prone to leaking and are a well known weak spot on older roofs.

If you re not sure what a roof valley looks like check out the photos on this page. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. 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. This method of lead valley repair is proven to not only be fast and safe wit.

Just like in nature a valley on a roof is designed to collect water. Roof valleys carry a lot of water. Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks. This video shows the traditional and best way to repair a lead valley on a roof.

If leaks continue to occur from ice dams consider installing roof edge heating cables. Repairing a roof valley involves removing some shingles and installing a sheet metal flashing from top to bottom in the valley. If that water doesn. Find them locally at hardware stores or home centers improved attic insulation and ventilation are usually the best ways to prevent ice dams.

If you have a roof valley in your home then you may find that your lead valley starts to leak or even to allow water to run onto the ceiling of the floor below. 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. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. The sealants and roof pitch used can crack and chip away over time.

Roof valleys if not installed correctly are one of the most leak prone areas on the roof. Because roof valleys function as a drain on the roof they receive as disproportionate volume of water every time it rains.