Note to readers: This post was updated on July 22, 2026 to clarify current trenchless repair methods and add links to our related sewer line guides. We refreshed the details below so the advice reflects how we approach this work today.
When a sewer line finally fails after decades of service, homeowners often hear a mix of accurate advice and outdated myths about how to fix it. Trenchless repair methods have been around for decades now, but a lot of confusion still floats around about what they can and can’t do. Here’s a clear look at the facts.
Common Myths About Sewer Line Repair
Myth: Sewer pipes last forever.
Fact: Most sewer lines are designed for roughly a 50-year lifespan. Tree roots, shifting soil, and ground movement all accelerate wear. Eventually, every sewer line needs attention — the only question is when.
Myth: Repeated drain cleaning is a permanent fix.
Fact: Cleaning clears grease and buildup effectively, but tree roots that have entered a pipe through a crack or joint keep growing back bigger after each cleaning. Left alone, they eventually collapse the pipe.
Myth: Digging up the yard is the only real solution.
Trenchless sewer repair methods last as long as — sometimes longer than — traditional pipe replacement, without the excavation.
Myth: Pipe lining narrows the pipe and reduces flow.
Fact: The opposite is often true. Lining eliminates joints and creates a smooth interior surface, which reduces friction and can improve flow capacity compared to old, corroded pipe.
Myth: You’ll need to vacate your home for days during repair.
Fact: Trenchless methods like pipe bursting and pipe lining are typically completed in a single day, with the sewer line back in service the same day work starts.
Myth: This technology is new and unproven.
Fact: Cured-in-place pipe lining has been used for more than 40 years, with early installations still performing well with no measurable deterioration.
Myth: Manufacturer testing can’t be trusted.
Fact: Lining materials have been independently tested by organizations including IAPMO, ICC, NSF, and the Trenchless Technology Center at Louisiana Tech, among others.
Myth: Lined pipe isn’t as strong as new PVC.
Fact: Lining resins used in trenchless repair test as strong as, or stronger than, standard PVC sewer pipe.
Choosing a Repair Method
If grease is the main culprit behind your back-ups, hydro jetting on a regular schedule is often enough to keep things flowing. But once tree roots or pipe deterioration are the real problem, here’s how the options generally compare:
- Scheduled cleaning: Cost-effective short-term maintenance, but it doesn’t fix a failing pipe — it just buys time.
- Traditional excavation: Restores the line to like-new condition but is usually the most invasive and expensive option.
- Pipe bursting: Pulls new pipe through the old line’s path with minimal digging — a good middle ground on cost and disruption.
- CIPP lining: Installed through existing access points with little to no excavation, though it isn’t an option once a pipe has fully collapsed.
Every property is different, and the right method depends on pipe material, age, access, and how far the damage has progressed. A camera inspection tells us exactly what we’re working with before we recommend anything.
We’re Here to Help
A lot of this is technical, and that’s by design — we’d rather walk you through your options in plain language than leave you guessing. If you’re dealing with recurring back-ups, we can take a look and tell you honestly what’s going on.
Call Us Anytime At: 626.448.6455
Free estimates available.
