Repairing Valley Leaks In Roofs

Check plumbing vent boots and roof vents if water is entering from that area to cause the leaking roof.

Repairing valley leaks in roofs.

The valley base was in excellent condition so didn t need replacing or repairing at all. Repair a shingle roof valley leak in 6 easy steps prepare for the repair. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. Only use caulk for very small holes and when flashing isn t an option as a leak stopper.

You should always attempt a mechanical leaky roof fix whenever possible. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. Repairing a metal roof seam with turbo poly seal is simple and it is a do it yourself p. Here are two before and after photos of a valley with newly laid cement.

There are occasions when a roof valley is in good condition but the cement holding the tiles in place has washed out or crumbled. Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs. Follow these three preparatory steps to get ready to fix the valley leak. That means replacing or repairing existing flashing instead of using any type of sealant as a leak stopper.

The rubber gasket that surrounds the vent pipe could be rotted. Rarely will caulk or roof cement cure a leaky roof at least for very long. Repairing a roof valley involves removing some shingles and installing a. In order to lay the flashing the shingles on the roof will have to be removed.

And if they put a second layer of shingles on they brought it up the valley but they didn t replace the valley it s probably leaking and cracking and split. And you can tar it but it s a real stop gap band aid like measure. In other cases shingles are overlapped to make a valley and water from harsh rains can find a way under the shingles. 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. 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.