Fixing Leaking Roof Valley

Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary.

Fixing leaking roof valley. Inspect valley for holes all along joint. Move to the highest end of the valley and work your way down cleaning. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it. Most valleys use either aluminum or copper.

Follow these three preparatory steps to get ready to fix the valley leak. Find them locally at hardware stores or home centers. 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.

Remove debris remove all debris from roof valleys so nothing is touching your roof. If leaks continue to occur from ice dams consider installing roof edge heating cables. Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs. The sealants and roof pitch used can crack and chip away over time.

The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. How to fix roof valley leaks. And you can tar it but it s a real stop gap band aid like measure. Removal of debris collecting in the valleys and gutters will allow water to quickly drain away and protect shingles and flashing.

Clean surface of valley with wire brush. T o repair an open valley. Using different metal to patch valley will cause corrosion. You can patch small holes with the same type of sheet metal valley is made of.