Flat Roof Leaking Around Chimney

You must also make sure the shingles and flashing surrounding the chimney are in proper working order.

Flat roof leaking around chimney.

The flashing on a chimney is one of the biggest reasons for roof leaks. Mortar cracks chimney flashing and crown deterioration on a chimney will contribute to leaks on a flat roof. Is your roof leaking. That part of the flashing is very vulnerable to leaks.

If your roof still leaks it is not the chimney. For example your roof might have a leak through the attic vent or roof shingle at the top. To repair chimney flashing leaks. Most of the time the metal flashing has to be inserted into a slot into the face of the brick.

The flashing is a piece of sheet metal that covers the overlapping areas of the chimney and roof. Wrap the chimney with plastic and tape it securely. All chimneys need maintenance over time. Or you may have a poorly designed valley at the bottom of the roof slope and directly above your chimney that catches debris snow and ice.

Apply roof cement to any gaps or cracks. Oh yeah don t use the fireplace with your chimney covered with plastic and this is not how to fix a leaking chimney. Water test the roof at the area of the chimney using a garden hose. Inspect the flashing for gaps or cracks.

The outer structure of your chimney often retains water which can make the roof leak in a hard rain. Re pointing a chimney is not a simple process and is often messed up by novice people that try to do it. Sometimes a chimney may start to leak only after a very wet series of storms. It could be your chimney that s the issue.

Chimney roof leaks are usually caused by gaps or cracks between the metal flashing used to join the chimney to the roof and the chimney. To do this ask an assistant to observe the area of the ceiling near the chimney and run water along the sealed gaps of the. But if you have problems with water leaking around the outside of your chimney down into your walls you may have a problem with worn out flashing or sealant.