How To Fix Roof Valleys

The top joinery of both valleys when they meet on the same plane of roof is shown here.

How to fix roof valleys.

Just like in nature a valley on a roof is designed to collect water. This video shows the traditional and best way to repair a lead valley on a roof. This method of lead valley repair is proven to not only be fast and safe wit. In this video you will learn how to fix a leak on a valley.

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. 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 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. Check the entire roof valley carefully to locate the source of these problems. Leaking roof valleys and how to fix them. 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.

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. In order to lay the flashing the shingles on the roof will have to be removed. I have my valley custom made with water trough to help with leaking b. The sealants and roof pitch used can crack and chip away over time.

The valleys on many older houses comprise layers of roofing paper which can deteriorate over time. Step 2 remove the shingles. If that water doesn.