Trenchless sewer line replacement is the most preferred method especially when one wants to avoid the cost he/she will incur in digging long trenches on their landscaping, yard, or driveways among other structures, together with the disruption that comes with replacing trenchless lines. For about 15 years trenchless sewer lines have been around, although it is not a popular method among home owners. Trenchless sewer line replacement can either be pipe bursting or pipe lining.
Pipe Bursting Versus Pipe Lining Pipe lining is also known as “cured-in –place pipe. “It requires only one access hole. It’s a flexible tube that is coated with resin which is pulled or blown into the damage or inflate pipe. The resin then creates a pipe within a pipe which is corrosion resistant and jointless by its hardening. Lining reduces the diameter of the lateral pipe that connects a home to the main sewer line. The diameter reduces by a quarter of an inch; this does not affect waste removal from your house.
Unlike pipe lining, pipe bursting can be done on a collapse lateral sewer line; if there is room that can allow a cable to be drag through the old pipe. Pipe bursting is pulling a new pipe through a damage pipe. This simultaneously fractures the old pipe outwards. Pipe bursting requires one to dig access holes on both sides of the lateral pipe.
According to experts pipe lining and bursting are equally durable, the cost for trenchless sewer line replacement vary due to: soil type, material prices and how deep underground sewer is.
Traditional trenching requires one to pay up for digging up the street in front of their house. Traffic to reroute when there is any repair being made to a main sewer line or a city-owned property.
Trenchless can cost 30 to 50 percent more than conventional digging but this is so in some cases. If so it’s still cost effective as you do not have spent more dollars in restorative work. It is advisable to shop around, talk to reputable, licensed plumbers in order to understand what would work best for you.