Seal Leaking Roof Valley

If you have a roof leak it may well be through the valley.

Seal leaking roof valley.

Sometimes an older home s roof is more prone to leaking in the roof valleys because of old repairs. If leaks continue to occur from ice dams consider installing roof edge heating cables. This is where two parts of the roof join. Move to the highest end of the valley and work your way down cleaning.

Clear any debris in the roof valley and surrounding area. 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. 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. Closed valleys are where the shingles butt together on top of the metal flashing.

The valley flashing laid over the joint where the two roofs meet should overlap the step flashing at least 2 in. Find them locally at hardware stores or home centers. The sealants and roof pitch used can crack and chip away over time. Follow these three preparatory steps to get ready to fix the valley leak.

A crack in the valley can cause major damage and i. In this video you will learn how to fix a leak on a valley. Using a patching fabric is simple. In order to lay the flashing the shingles on the roof will have to be removed.

In this video you will learn how to fix a leak on a valley. If your roof valley leak is an old repair gone bad consider having a professional repair the leak properly. Remove debris remove all debris from roof valleys so nothing is touching your roof. This video shows the full repair from removing leaded va.

Toronto s roof repair specialists http www mrroofrepair ca show the cause of a major interior roof leak. How to fix roof valley leaks. 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.