How To Repair A Roof Valley Leak

Though roof valleys are com mon leak sites on shingle roofs it s typically fairly easy to fix these problems with a little know how.

How to repair a roof valley leak.

Roof leaks are also very common in the winter when all the snow accumulating on a roof creates a potential for a roof leak to develop especially if a roof. That s the roof valley. So the valleys which is where the two planes of the roof come together in the v like shape for those that have no clue as to what we re talking about these. Check the entire roof valley carefully to locate the source of these problems.

In order to lay the flashing the shingles on the roof will have to be removed. Lead is soft so it is very easy to drive nails through lead flashing and maybe a nail was driven through in the. 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. 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.

In other cases water can become trapped under shingles which have been overlaid to create the valley trough. 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 that water doesn t shed off the roof fast enough or gets. Step 2 remove the shingles.

A v shaped piece of metal usually lead called flashing runs along the length of the valley with its edges covered by the roof tiles or slates to form the joint. Why does it start to leak. Roof valleys if not installed correctly are one of the most leak prone areas on the roof.