Roof Gully Leaking

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.

Roof gully leaking. This is where two parts of the roof join. In either situation the leaking roof valley can be fixed by removing affected shingles and structural elements and upgrading your roof s flashing. If you have a roof leak it may well be through the valley. The roofing nails are fine so long as the lead of the roof valley is intact but once it starts to crack or fracture due to water pressure corrosion or other damage the nail provides a space for water to run into the home.

A flashing is a transitional roofing material that connects the roof material to some other building material or to another part of the roof. This video shows the traditional and best way to repair a lead valley on a roof. This method of lead valley repair is proven to not only be fast and safe wit. Only use caulk for very small holes and when flashing isn t an option as a leak stopper.

This video shows the full repair from removing leaded va. Many roof valley leaks are caused by roofing nails that have been poorly placed and are acting as a dripper feeding water through from the roof above. That means replacing or repairing existing flashing instead of using any type of sealant as a leak stopper. You should always attempt a mechanical leaky roof fix whenever possible.

Check your lay boards are ok first and no rot lay building paper with new lead valleys retile back both sides if your tiles are bedded in cement in your valleys i tend to fit some asbestos free board cut to size dependent on overlap up the lead valley with the tiles bedded on this. Rarely will caulk or roof cement cure a leaky roof at least for very long. So roof valleys are important elements on a roof to be maintained properly. There are times when roof valleys in good condition gets blocked with leaves and debris.