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Drain Pros TNWoman-owned · TN LLP #5045

Common problem · TN LLP #5045

A Drain That Keeps Backing Up

Cleared before, and it came back in the same spot.

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Quick answer

A line that backs up in the same place more than once has a cause, and clearing it again will not change that. This is the point to put a camera down it rather than pay for the same cabling twice a year.

Drains block. That happens. What is not normal is the same drain blocking in the same spot every few months. That pattern almost always means something structural — roots, a low spot, or a failed section — and cabling it just resets the clock.

How you know this is it

  • The same drain cleared more than once in a year
  • A backup that returns within weeks of being cleared
  • Gurgling or slow drainage that comes back seasonally, often in wet weather
  • A previous plumber who cabled it and did not say why it happened

What usually causes it

  • Roots re-entering at the same joint each season, common in older lines
  • A bellied section holding water and catching solids every time
  • A cracked or offset joint snagging whatever passes it
  • Undersized or improperly graded pipe from an old renovation
  • A partial collapse that leaves just enough of an opening to pass a cable through

Common questions

A Drain That Keeps Backing Up: your questions answered

Why did cabling not fix it permanently?
Because cabling punches a hole through the blockage. If roots or a low spot caused it, the cause is still there and it fills back in. That is not a failed job, it is the wrong tool for a structural problem.
What does a camera inspection actually tell me?
Where the problem is, how far down the line, and what kind it is — roots, a belly, a crack, or a collapse. You see the footage. That turns a guess into a decision.
Does that mean I need the line replaced?
Not necessarily. Plenty of recurring backups turn out to be a single joint or a section rather than the whole run. We would rather repair the part that failed than sell you a full replacement you do not need.
Will I know the price before you start?
Yes. You get one number to approve before any work begins, and it holds once the job starts. This market has a documented habit of quotes climbing mid-job; we built the opposite habit deliberately.
Are you licensed?
Yes. Tennessee Limited Licensed Plumber #5045, issued by the state Board for Licensing Contractors and verifiable at verify.tn.gov. Across eighteen local competitors, not one publishes their number.

Related problems

Sewage Backing UpSewage Smell in the HouseMain Line ClogKitchen Drain Keeps CloggingTree Roots in the Sewer Line

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TN Limited Licensed Plumber · #5045 · verify at verify.tn.gov

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