Trenchless is the right answer for some Summerville homes and completely unnecessary for others, and which one you are depends almost entirely on when your house was built.
Who actually needs this
If your home is near historic downtown Summerville and has original clay or cast iron drain lines, trenchless lining is likely relevant. Those pipes fail predictably — roots at clay joints, scale and cracking in cast iron — and the traditional fix means trenching across a mature yard, sometimes under a driveway or a tree worth keeping.
If you are in Nexton, Cane Bay or Carnes Crossroads, you almost certainly do not need this. Your drain lines are PVC and under twenty years old. If someone has proposed lining on a house that new, ask to see the camera footage first — a blockage in a modern PVC line is a cleaning problem, not a pipe failure.
No demolition to get back to working
That is the real appeal. A cured-in-place liner is installed through existing access points, so the yard, driveway, patio and mature landscaping stay as they are. The liner forms a new jointless pipe inside the failing one, which also removes the root entry points at the old joints. For an older Summerville property where the alternative is a trench across the front garden, the comparison is not close.
When trenchless is not the answer
A fully collapsed line, or one that has lost its grade and holds water, cannot be lined — there is nothing sound to line against. We would rather tell you that after the camera inspection than start a job that will not work.