Old clay or cast-iron pipes are no match for nature. Trees and shrubs send out hair-thin roots seeking water and nutrients. They find a microscopic crack in your sewer line, squeeze inside, and then grow thicker. Eventually, the pipe is filled with a dense, living mesh of roots that catches toilet paper and waste like a net.
This involves blasting the inside of the pipes with high-pressure water. It doesn’t just break clogs; it scrubs the pipe walls clean of grease and mineral buildup. main drainage pipe clogged