Fixing Leaking Roof Valley

If leaks continue to occur from ice dams consider installing roof edge heating cables.

Fixing leaking roof valley.

In other cases water can become trapped under shingles which have been overlaid to create the valley trough. Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs. How much it costs to repair or replace a roof valley will depend on what it s made from. 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.

Roof valleys are created wherever two roof surfaces intersect to form a shallow v shape. If you find that this is a problem then you will need to repair your roof valley before anything serious happens such as plaster loss or even major water damage. Find them locally at hardware stores or home centers improved attic insulation and ventilation are usually the best ways to prevent ice dams. Roof valleys carry a lot of water.

The sealants and roof pitch used can crack and chip away over time. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. 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. Roof valleys are prone to leaking and are a well known weak spot on older roofs.

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. Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly.