How To Fix Roof Valleys

The sealants and roof pitch used can crack and chip away over time.

How to fix roof valleys.

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. The top joinery of both valleys when they meet on the same plane of roof is shown here. 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. The valleys on many older houses comprise layers of roofing paper which can deteriorate over time.

Roof valleys if not installed correctly are one of the most leak prone areas on the roof. Check the entire roof valley carefully to locate the source of these problems. 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 troughs that discard runoff water where two sections of sloped roof meet.

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

In this video you will learn how to fix a leak on a valley. In this video you will learn how to fix a leak on a valley. Leaking roof valleys and how to fix them. Just like in nature a valley on a roof is designed to collect water.

In order to lay the flashing the shingles on the roof will have to be removed. Step 2 remove the shingles. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly.