Repairing Roof Valley Leak

Roof valleys are created wherever two roof surfaces intersect to form a shallow v shape.

Repairing roof valley leak.

To repair a leaking roof with curled shingles straighten the shingles with a heat source like a hair dryer and reattach them with asphalt roof cement or. Roof valleys if not installed correctly are one of the most leak prone areas on the roof. Find them locally at hardware stores or home centers improved attic insulation and ventilation are usually the best ways to prevent ice dams. Inspect areas where surfaces join such as at a chimney or valley.

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. Just like in nature a valley on a roof is designed to collect water. Roof valleys carry a lot of water.

So the valleys which is where the two planes of the roof come together in the v like shape for those that have no clue as to what we re talking about these. Because roof valleys function as a drain on the roof they receive as disproportionate volume of water every time it rains. Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks. 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. 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. Look for gaps in caulk sealant or aluminum flashing where any objects intersect with or emerge from the roof. If leaks continue to occur from ice dams consider installing roof edge heating cables.

Leaking roof valleys and how to fix them. The sealants and roof pitch used can crack and chip away over time. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. 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.