Seal Leaking Roof Valley

Re shingle roof valleys install ice and water shield under shingles or install metal roof flashing and re shingle the valley.

Seal leaking roof valley. This video shows the full repair from removing leaded va. In this video you will learn how to fix a leak on a valley. A crack in the valley can cause major damage and i. In order to lay the flashing the shingles on the roof will have to be removed.

Closed valleys are where the shingles butt together on top of the metal flashing. Apply a layer of the mastic or patching compound over the problem area cut and place a section or strip of patching fabric over the area spread an additional layer of roof cement or patching compound over the area let the patch cure. Follow these three preparatory steps to get ready to fix the valley leak. The sealants and roof pitch used can crack and chip away over time.

Find them locally at hardware stores or home centers. This is where two parts of the roof join. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. Clear any debris in the roof valley and surrounding area.

How to fix roof valley leaks. If you have a roof leak it may well be through the valley. Take measurements of your roof flashing most flashing is 14 inches wide but yours may vary. To repair leaks in this type of valley start at the bottom and slip a piece of flashing in the shape of a diamond under the butted up shingles.

Move to the highest end of the valley and work your way down cleaning. When you discover a leak coming from your valley there are a few ways you can make the roof repairs. 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.

Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs. The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. In this video you will learn how to fix a leak on a valley.