Repair Roof Valley Leak

And damaged flashing is behind most roof leaks.

Repair roof valley leak.

A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof. In order to lay the flashing the shingles on the roof will have to be removed. The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters. 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.

Position an extension ladder against the lower edge of the roof near the valley that is repaired. If you re not sure what a roof valley looks like check out the photos on this page. 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. This will require that you remove the shingles.

For example soak the downhill side of a chimney first then each side then the top on both sides. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing. Carefully remove the shingles from the whole area of the leak and extend it approximately three or four feet beyond the leaking area. The right thing to do here is to pull a valley basically pull a valley apart and rebuild it.

If a leak is difficult to find enlist a helper and go up on the roof with a garden hose. How much it costs to repair or replace a roof valley will depend on what it s made from. Remove any debris from the valley by hand or with a utility brush. A crack in the valley can cause major damage and i.

This video shows the traditional and best way to repair a lead valley on a roof. Roof valleys are prone to leaking and are a well known weak spot on older roofs. Toronto s roof repair specialists http www mrroofrepair ca show the cause of a major interior roof leak. And you can tar it but it s a real stop gap band aid like measure.

18 03 2019 big al do it yourself roof repairs a roof valley is very prone to leaks especially if you have an older roof. Isolate areas when you run the hose. In order to stop the leak in your roof you need to get to where the leak is occurring. 2 measure the width of the.