A leak near the chimney usually comes from worn flashing where the chimney meets the roof, or from cracked masonry or a damaged cap. In winter it can also be ice dam meltwater. Find which one first, then reseal the flashing or repair the masonry.
A leak near the chimney usually comes from the flashing, the metal that seals the joint between chimney and roof, or from cracked masonry and a worn chimney cap. Repair reseals or replaces the flashing and fixes the brick and mortar. In winter, check that it is not ice backing up instead.
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