Fixing A Roof Valley Leak

Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p.

Fixing a roof valley leak.

Roof valleys are created wherever two roof surfaces intersect to form a shallow v shape. 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. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in.

In other cases water can become trapped under shingles which have been overlaid to create the valley trough. Roof valleys are prone to leaking and are a well known weak spot on older roofs. The sealants and roof pitch used can crack and chip away over time. 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.

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

Although professional roofers take great care to properly install roof valleys they can be susceptible to roof leaks. 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. 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. If leaks continue to occur from ice dams consider installing roof edge heating cables.

If you re not sure what a roof valley looks like check out the photos on this page. By gary hedstrom peg hedstrom judy ondrla tremore. Roof valleys carry a lot of water. 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.

How to find a leak in a roof may be the hardest part of fixing a leaky roof.