How To Repair A Roof Valley

A scaffold tower has been used for access in this video.

How to repair a roof valley.

How much it costs to repair or replace a roof valley will depend on what it s made from. If you re not sure what a roof valley looks like check out the photos on this page. In order to lay the flashing the shingles on the roof will have to be removed. Roof valleys are troughs that discard runoff water where two sections of sloped roof meet.

Iko recommends that you install architectural shingles with the open valley method for the best roof performance. This video shows how to repoint a lead roof valley. Never try and work on a roof from a ladder as a. Roof valleys are prone to leaking and are a well known weak spot on older roofs.

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. Check the entire roof valley carefully to locate the source of these problems. A roof valley is very prone to leaks especially if you have an older roof. How to repair valleys on a roof.

And the valleys are leaking real bad and i wondered if there s some way to repair that without having to tear the whole roof off again. The three methods to shingle a roof valley. When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof. 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.

The valleys on many older houses comprise layers of roofing paper which. Roof valleys are channels designed to drain runoff water and like any other part of your roof they can degrade over time with exposure to the elements. Step 2 remove the shingles. In other cases water can become trapped under shingles which have been overlaid to create the valley trough.