Flat Roof Leaking Around Chimney

Mortar cracks chimney flashing and crown deterioration on a chimney will contribute to leaks on a flat roof.

Flat roof leaking around chimney.

Oh yeah don t use the fireplace with your chimney covered with plastic and this is not how to fix a leaking chimney. That part of the flashing is very vulnerable to leaks. All chimneys need maintenance over time. When a roof leaks the problem is often due to leaks in and around the metal roof flashing that protects roof edges valleys and the junctions between roofing and obstructions such as chimneys dormers and vent pipes.

Instead sealing the chimney crown with a liquid sealant we used a rubber membrane. Sometimes a chimney may start to leak only after a very wet series of storms. The flashing on a chimney is one of the biggest reasons for roof leaks. The mortar grout is usually the first to go.

Most of the time the metal flashing has to be inserted into a slot into the face of the brick. Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems. Leaks around fireplace chimneys are common and can be hard to identify the source. If your roof still leaks it is not the chimney.

To perform a proper chimney leak repair is crucial for any flat roof. Repairing the flashing on a chimney.