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Slab Leak 101: Common Signs, Causes & Treatment

Searching for information about what a slab leak is?

Slab leaks can be dangerous to your home and can be caused by a variety of reasons. They require a decent amount of work to repair if the leak remains for a long time.

There are several things to look out for that will alarm you of a slab leak. If you catch one in time, you'll be able to save your home's foundation and avoid paying a ton of repair fees.

We reveal common causes, signs that you might have one and how to deal with it. Continue reading to learn more.

What is a Slab Leak?

Slab leaks are leaks that develop within the water lines below the foundation of a home. They are hard to notice can cause severe damage to a home's foundation, produce mold, and potentially start a termite infestation. 

They are called "slab leaks" because they are located under a slab of concrete.

While the repercussions of a slab leak are quite severe, they can be found quickly by a professional if you have frequent examinations.

Slab Leak Symptoms

Some of the common signs that you may have a slab leak are:

  • Increased water bill due to water constantly running
  • Hearing water run when nothing is in use, such as your bath or sink
  • Damp floors
  • Water surrounding your house
  • Low water pressure

If you notice any of these signs, you should contact someone to check out your property. It will save you a lot of time and money in the long run.

Common Causes


Corrosion is the term used to describe the process of rust forming on metal. This can happen because of the metal's contact with the soil and water beneath your home. 

Corrosion can cause the pipes to deteriorate, leaving leaks as the metal breaks apart. This is very common amongst pipes that are made of copper.

Damage from Installation

Sometimes the installation process for housing foundation doesn't go completely as planned. If the equipment isn't handled properly, pipes can be damaged during installation.

Something as simple as letting the pipes bump into solid objects can create small cracks that will eventually enlarge. If the pipes are not set carefully, your house will be set up for disaster.

Shifts in the Ground and Foundation

Shifts in the foundation of your home can increase the pressure that is placed on the pipes. This pressure can cause them to burst, flooding the soil beneath with water. 

Shifts can be avoided by ensuring that the pipe system is laid correctly and that you have proper drainage. Too much water can make the ground soft, shifting the house's foundation. 

How to Repair

A concrete slab leak repair usually consists of opening up the foundation and accessing the pipe beneath it. This can potentially cause other expenses, such as refilling the open area and replacing the floor.

The concrete is opened by way of a jackhammer, and the pipe is then cut to remove the damaged portion. A new piece of pipe is fitted to the previous one, and the water is removed from the hole. 

If You Suspect a Slab Leak, Contact a Professional

Slab leaks are no joke and can leave serious damage to your entire home. If you notice any of the signs, you should quickly contact a professional to examine your plumbing. There may be a risk you have a slab leak!

If you live in or near Waco, Texas, feel free to request service from us today! 

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