Roof Leak Dormer Valley

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 valley on your property is not properly flashed.

Roof leak dormer valley.

Check for power lines or electrical wires attached to your roof near the dormer. This is one type of leak where experience can give a big advantage in locating and fixing the problem. Louis mo home had a leaking dormer shown above that was problematic for years. Place the legs of an extension ladder on level solid ground beneath the dormer where you expect to find the roof.

The interior walls of the dormer were often condensated and heavy rains would lead to water damage on the lower level foyer ceiling. A roof valley can be formed when two opposing sloped roof planes meet. If a leak is difficult to find enlist a helper and go up on the roof with a garden hose. Here s a few of the defects that can cause dormers and their windows to leak.

Dormer leaks can be caused from a number of issues. Dormer valleys looking for roof leaks on the outside of your house. 1 improperly installed or deteriorated roof to wall or roof to roof valley flashings at top back of dormer. If you don t want to wait for rain to look for the leak try bringing the garden hose up on the roof.

Isolate areas when you run the hose. Most roofers that install shingles will not have rubber membranes with them to do such areas. 3 deteriorated caulk around window and sill. Even though these were previously billed as solutions for the leak a new roof and new siding did not stop the leaking.

Most roofers that do shingles will use a heavy base paper instead of a rubber membrane. Run the water over the place where you think the leak might be located. Rotten or missing trim or siding can allow water to leak behind flashing and into your roof. There are many different types of valley leaks.

Trying to decide if your roofs valley is leaking or some other part of your roofing is causing a leak can be tricky. Start low soaking the area just above where the leak appears in the house. 2 lack of flashing at top of trim over window. Valley areas are prone to leak due to the lack of using proper materials.

Most shingle installers will use a thick 30 lb paper as a base for the valley. A roof valley is very prone to leaks especially if you have an older roof. For example soak the downhill side of a chimney first then each side then the top on both sides.