How Do I Know If I Have a Slab Leak?

Hey there, friend, Wally the Walrus here!

Now a slab leak isn’t the kind of problem that kicks your door in and announces itself. Nope… it’s quiet, sneaky, and likes to hide right under your feet — literally.

And if you ignore it too long? Well… that’s when things get expensive real fast.

So let’s talk about how to tell if you’ve got a slab leak, what causes it, and what to do next.

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🏠 First Things First — What Is a Slab Leak?

A slab leak happens when a water line running beneath your home’s concrete foundation starts leaking.

Since it’s under the slab, you won’t see it like a normal pipe leak — but your house will definitely start dropping hints.

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🚨 Signs You Might Have a Slab Leak

1. Your Water Bill Suddenly Jumps

If your usage hasn’t changed but your bill sure has… that water’s going somewhere.

👉 And if it ain’t in your house, it’s likely under it.

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2. Warm or Hot Spots on Your Floor

Got a random patch of floor that feels warm?

That could be a hot water line leaking beneath the slab.

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3. The Sound of Running Water (When Nothing’s On)

If you hear water moving but all your fixtures are off, that’s a red flag.

Try this:

• Turn everything off
• Listen closely near floors or walls

If you still hear water… time to investigate.

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4. Cracks in Walls or Flooring

Water under your foundation can shift the soil — and your house moves with it.

Watch for:

• New cracks in drywall
• Flooring separating or buckling
• Doors that suddenly don’t close right

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5. Damp or Wet Spots on Floors

Unexplained moisture (especially on concrete, tile, or carpet) is never a good sign.

And no — it’s not just “humidity.”

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6. Mold or Mildew Smells

That musty smell creeping in?

Could be moisture building up underneath your home where you can’t see it.

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7. Low Water Pressure

If a pipe is leaking under your slab, less water is making it to your fixtures.

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8. Your Water Meter Won’t Sit Still

Here’s a simple test:

1. Turn off all water in your home
2. Check your water meter
3. Wait 10–15 minutes

👉 If it’s still moving, you’ve likely got a leak somewhere — and a slab leak is a strong possibility.

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🛠️ What Causes Slab Leaks?

These don’t just happen for no reason. Common causes include:

• Pipe corrosion over time
• Shifting soil under your home
• Poor installation
• High water pressure stressing pipes
• Abrasion (pipes rubbing against concrete)

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⚠️ Why You Shouldn’t Ignore It

A slab leak isn’t just a plumbing issue — it can turn into a structural one.

Left alone, it can lead to:

• Foundation damage
• Mold growth
• Flooring replacement
• Major repair costs

In other words… not something you want to “wait on.”

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🦭 Wally’s Final Word

If your house is showing a few of these signs, don’t panic — but don’t ignore it either.

Slab leaks are fixable… especially when you catch ‘em early.

And if you’re not sure what’s going on?

👉 Y’all Call Wally.

We’ll track it down, figure out exactly what’s happening under your home, and get it fixed before it turns into a full-blown headache.

📞 Call us at [phonenumber]
🧰 Or click to schedule your service today!

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