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.

Flat roof leaking around chimney.

That part of the flashing is very vulnerable to leaks. Expert advice on how to repair roof flashing and chimney flashing prevent ice dams and solve other roof flashing problems. 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. The flashing on a chimney is one of the biggest reasons for roof leaks.

The mortar grout is usually the first to go. All chimneys need maintenance over time. Sometimes a chimney may start to leak only after a very wet series of storms. Most of the time the metal flashing has to be inserted into a slot into the face of the brick.

Applying roofing cement to gaps between metal flashing and the chimney. Leaks around fireplace chimneys are common and can be hard to identify the source. Instead sealing the chimney crown with a liquid sealant we used a rubber membrane. Wrap the chimney with plastic and tape it securely.

If your roof still leaks it is not the chimney. Mortar cracks chimney flashing and crown deterioration on a chimney will contribute to leaks on a flat roof.