Customer call John the plumber out today because they have a sewage back up that is causing the toilet to gurgle and sewage water to come up from the bathtub based on technicians findings he concluded that the issue is customer has a mainline blockage and in order to clear this blockage technician will have to sneak the bathroom line from the vent stack on the roof. Customer agreed to go with option one over the phone. Technician had to wait for the tenant to come back into the home before he started any work with the clearing of the drain because there is no power in the outlet located outside. After tenant tenant arrived, technician already had the equipment set up on the roof, and proceeded to clear the stoppage. The line was backed up due to the condition of the cast-iron in toilet papers. Single story drain clearing from roof vent (Up to 75 feet) DRAIN LINE LOCATED & HAS ACCESS ALREADY/ RUN K-60 CABLE THROUGH ROOF VENT. PRICE INCLUDES 1 ATTEMPT