Once drainage is restored, he will switch to a Roto-Rooter mainline cable machine, usually with a larger blade on the tip. The blades are in a C-shape and are spring loaded so that they have to be gently squeezed before
they fit into the 4-inch or 6-inch pipe. This way, they hug the inside pipe walls and shave across the surface as they turn. The cable rotates and sharp saw-tooth blades cut away tree roots and any other obstructions all the way down to the pipe wall..."Razor-Kleen" as our old ads claimed. We have blades and cables to fit any size pipe.If the cable comes out with mud on it, you probably have a serious break in the pipe someplace and may require a sewer repair. The service technician will offer to inspect the pipe with a remotely operated video camera, show you the pipe's condition and provide you with sewer repair options.
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