Tapping Sounds in Your Plumbing: Leak or Thermal Expansion?

One issue we run into a lot at Elite Spot-On Services™ is homeowners reporting mysterious tapping sounds whenever they run water. At first, it can be confusing  is it a leak, or something less serious? Let’s break it down.

What Do Tapping Sounds Mean?

That tapping noise you hear when a fixture is running water often points to one of two causes:

  • A Water Leak – Leaks inside walls or ceilings can create tapping sounds, often followed by a visible water stain near the source of the problem.

  • Thermal Expansion of Drain Lines – As hot or cold water runs through your drain pipes, the pipe material expands or contracts. If the pipe is touching a wood framing member inside your home, it can rub against it, producing a tapping or popping sound.

⚠️ When to Take Action
If you notice tapping sounds and aren’t sure whether it’s a harmless expansion issue or a hidden leak, don’t wait for the problem to get worse. Call Elite Spot-On Services™ for a proper diagnostic. We’ll pinpoint the cause and give your plumber the information they need to fix it the right way.

Why It Matters

  • If it’s a leak: Water behind walls or ceilings can cause mold, structural damage, and costly repairs if left unchecked.

  • If it’s thermal expansion: While not a leak, the noise can be persistent and annoying. The only permanent solution involves opening up drywall and insulating the pipe where it touches wood framing.

How Elite SOS Can Help

At Elite Spot-On Services™, we specialize in finding the real source of these mysterious tapping sounds. Using advanced diagnostic tools, we can determine whether you’re dealing with a leak or a harmless expansion issue  saving you time, stress, and unnecessary repairs.

Leak Detection
Sewer & Drain Camera Inspections
Pipe Location Services
Drain Cleaning
Hydro Jetting

Once we’ve identified the cause, we’ll refer our findings to a licensed plumbing contractor if repair work is needed.

Don’t ignore that mysterious tapping sound in your home. Whether it’s a hidden leak or just thermal expansion, getting answers quickly is the best way to protect your home and your peace of mind.

📞 727-515-4585
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📍 Serving Palm Harbor, Tarpon Springs, East Lake & Dunedin

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