Use masonry nails or screws to reattach the flashing tight against the chimney.
Fix leaky roof around chimney.
To repair chimney flashing leaks.
Plug pinholes with roofing cement and patch holes up to about 3 4 inch in diameter with a patch from the same material as the flashing.
Inspect the flashing for gaps or cracks.
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.
Patch the nail or screw holes by slipping a piece of roof flashing underneath the shingle.
To repair loose roof chimney flashing.
Small nail holes left behind from old vents satellite dish brackets or anything previously attached to the roof can allow water to enter and cause damage for years before leaking is noticed.
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.
Small holes or corroded spots in flashing can be easily repaired.
Apply roof cement to any gaps or cracks.
Apply a generous amount of roofing cement behind the flashing.
Water test the roof at the area of the chimney using a garden hose.
In this case of a roof leaking from around a chimney or fireplace the problem is often the flashing needs to be removed and replaced.
Clean any leaves or other debris out of the gap between the flashing and chimney.