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SAN LORENZO — In the past, when a sewer line needed to be replaced, it had to be fully excavated, which was an expensive, time-consuming process that carried the added bonus of disrupting one’s lawn, sidewalk and whatever else happened to be in the way. Fortunately, thanks to advancements in plumbing technology, this is no longer the case: with trenchless sewer replacement, a damaged pipe can be replaced quickly, easily and with remarkably little mess.
Rather than tearing up the entire extent of the damaged line, trenchless sewer replacement only requires two holes to be made—one at each end of the pipe section being replaced. This allows the new pipe material (typically a flexible, high-density polyethylene) to be pulled through from one end to the other, using the old pipe as a kind of guide. Simultaneously, as the new pipe is being pulled through, the old pipe is destroyed by a “bursting head” that is attached to the front end of the new line. Altogether, this innovative method enables plumbers to replace a damaged sewer pipe in a matter of hours, with minimal disruption to the customer’s yard, schedule or budget.