Position an extension ladder securely against the edge of the roof.
Roof leak near chimney.
Flaws in the roofing material above or adjacent to the chimney there may be a broken slate or tile nearby that is causing a leak.
If the leak does show up in this area have an expert check and repair the shingles.
For tile roofs the underlayment which keeps water out may be deteriorated.
When water gets behind faulty flashing it can do a lot of damage to the roof sheathing and framing and to the ceiling below so you need to deal with this problem immediately.
Inspect the flashing at the top sides and bottom edge of the chimney.
Put on work.
And more often than not the culprit is the flashing the sheet metal that keeps the intersection between the chimney and roof watertight.
How to fix a roof leak around the chimney chimney cap a new chimney cap may keep water from entering the top of the chimney and help keep critters out flexible roof sealant apply flexible roof sealant black jack roof patch rubberized roof cement from a can or tube to fill holes gaps flashing and loose shingles around the chimney.
How to fix a leaky roof by a chimney 1.
Inspect the flashing for gaps or cracks.
Apply roof cement to any gaps or cracks.
Attach loose flashing securely to the chimney with masonry nails.
The roof shinglesaround a chimney can also have problems although shingles are one of the least common causes for a chimney leak.