Hair, or Roots: The 3 Things Clogging Most Drains in Knoxville Homes

There are three issues responsible for the majority of backed-up drains we get called out to fix in Knoxville homes. They show up in different parts of the house, they clog pipes in different ways, and they each require a different approach. We’ve been offering drain cleaning in Knoxville, TN long enough to spot them fast, and we want homeowners to be able to do the same.

Grease: The Quiet Buildup You Don’t See Coming

Pouring cooking grease down the kitchen sink feels harmless in the moment. It’s just liquid, after all. But once it cools inside your pipes, it solidifies, sticks to pipe walls, and can re-form farther down the line. Over time, soap scum, food particles, and other debris layer onto that grease until you’ve got a stubborn clog that restricts flow.

Signs grease is your problem:

• Slow kitchen sink drainage
• Gurgling sounds after running the dishwasher
• Foul odors coming from the drain

The fix isn’t just pouring boiling water down the drain. That can temporarily loosen grease but rarely clears the blockage completely. A clogged drain situation like this calls for professional hydro-jetting or mechanical snaking to fully clear the line.

Hair: The Bathroom Drain’s Worst Enemy

Hair is the leading cause of bathroom drain backups in showers, tubs, and sink lines. It doesn’t dissolve, it doesn’t break down quickly, and it tangles with soap residue to form thick clumps deep in the pipe. Shower drains, bathtub drains, and bathroom sink drains are all vulnerable.

Watch for these warning signs:

• Standing water in the shower
• Water draining slower each week
• Pulling hair out of the drain cover repeatedly without improvement

Drain covers and hair catchers help slow the buildup, but once hair makes it past the trap, you typically need a professional to pull it out or snake it free.

Roots: The Problem Many Knoxville Homeowners Don’t Expect

Tree roots are responsible for some of the worst drain problems in older Knoxville neighborhoods, especially where aging clay or cast iron sewer lines are still in use. Roots naturally grow toward moisture, and Knoxville’s clay-heavy soil combined with mature tree growth puts constant pressure on sewer lines. Even a hairline crack is enough of an invitation. Once inside, roots expand, collect debris, and can eventually cause a full blockage or pipe collapse.

A professional rooter service is designed for this. It uses a rotating cutting head to break up root intrusions and buildup, often followed by hydro-jetting to fully clear the line. It’s not a job for a plunger or store-bought drain cleaner.

Most Asked Questions About Clogged Drains

Can I use chemical drain cleaners instead?

Chemical cleaners can eat through minor hair or grease buildup, but they’re corrosive to older pipes (especially cast iron) and rarely reach root problems. They’re a short-term fix at best.

How do I know if roots are in my pipes?

Recurring slow drains, gurgling toilets, and sewage smells in the yard are common signs. A camera inspection confirms it.

How often should drains be professionally cleaned?

Every 1–2 years is a good benchmark for most households, with annual service recommended for older pipes or properties with mature trees near the sewer line.

More Than a Quick Fix for Less Than You’d Expect

Straight Shooter Plumbing & Rooter is a family-operated, full-service plumbing company with over 30 years of combined experience serving homes, businesses, and industrial facilities. We’re licensed, bonded, and insured, available 24/7, and back every job with a full workmanship guarantee. Right now, we’re offering drain cleaning for just $89, including a free camera inspection so you know exactly what’s going on inside your pipes.

Call us today and get a free estimate.