Very often, yes. The older streets are planted with mature ficus, and their roots find the moisture at clay and cast iron joints and grow into the line. A cable clearing cuts a path through the root mass, which is why the clog returns on a seasonal cycle. The camera shows the joint and the root entry with a distance measurement, and a spot repair or a liner at that joint ends the cycle. Until then, budget the clearings as maintenance and keep anything grease heavy out of the kitchen line feeding the same lateral.
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