Repairing Roof Valley Leak

Roof valleys if not installed correctly are one of the most leak prone areas on the roof.

Repairing roof valley leak. 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 sealants and roof pitch used can crack and chip away over time. If that water doesn. And the valleys are leaking real bad and i wondered if there s some way to repair that without having to tear the whole roof off again.

In other cases water can become trapped under shingles which have been overlaid to create the valley trough. 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. Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs. Because roof valleys function as a drain on the roof they receive as disproportionate volume of water every time it rains.

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. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. Roof valleys are created wherever two roof surfaces intersect to form a shallow v shape. Find them locally at hardware stores or home centers improved attic insulation and ventilation are usually the best ways to prevent ice dams.

Leaking roof valleys and how to fix them. Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. Look for gaps in caulk sealant or aluminum flashing where any objects intersect with or emerge from the roof.

Roof valleys carry a lot of water. Just like in nature a valley on a roof is designed to collect water. 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. Inspect areas where surfaces join such as at a chimney or valley.