Fixing A Leaky Roof Valley

Check the entire roof valley carefully to locate the source of these problems.

Fixing a leaky roof valley.

Step 2 remove the shingles. The sealants and roof pitch used can crack and chip away over time. 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.

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. How much it costs to repair or replace a roof valley will depend on what it s made from. Find them locally at hardware stores or home centers improved attic insulation and ventilation are usually the best ways to prevent ice dams.

This is where two parts of the roof join. This method of lead valley repair is proven to not only be fast and safe wit. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. This video shows the full repair from removing leaded va.

If leaks continue to occur from ice dams consider installing roof edge heating cables. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. If you re not sure what a roof valley looks like check out the photos on this page. 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.

In other cases water can become trapped under shingles which have been overlaid to create the valley trough. Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p.