What is a slab leak?

A slab leak is a leak in the water pipes under your home – specifically, under the foundation or concrete slab that your home is built upon. Such a leak can cause damage to your home by flooding your home with water and destroying your flooring and causing damage to your sheetrock and paint.

How do you fix a water leak in the slab?

Options for Slab Leak Repair

  1. Pipe Rerouting/Re-piping. Sometimes it makes sense to avoid digging altogether and reroute plumbing above ground. …
  2. Break Through the Slab. …
  3. Tunneling Beneath the Slab. …
  4. Trenchless Pipe Repair – Pipe Lining and Pipe Bursting.

How do you pinpoint a slab leak?

Damp Spots on the Floor

This is usually the first sign that you have a slab leak. You might find water or damp spots on your floor. If the hot water is leaking, it can also create warm spots on the floor. A barefoot walk through your home is a good way to discover where you might have leaking hot water lines.

How do you fix a leak in a concrete slab?

The first way you can fix a leak is by jack-hammering the concrete slab, digging down to the pipe, and fixing it. The second way is to dig a tunnel through the dirt under the slab from the outside all the way to where the leak is.

Are slab leaks common?

How Common Are Slab Leaks? Slab leaks are very common in areas where homes are older and built on concrete foundation slabs. Basically, slab leaks are extremely common throughout the United States. Well-trained plumbers are able to detect and diagnose slab leaks easily.

How serious is a slab leak?

Slab leaks can and will cause: Damage to your home’s foundation. Slab leaks can weaken the structural integrity of the concrete and steel supports that comprise your foundation. Eventually, water pressure and leakage can cause you foundation to shift and move, and even crack or collapse.

Can water leak through concrete slab?

No, water isn’t going to soak up like a sponge, but concrete does allow water to seep through when there is enough. Concrete also cracks, and those cracks will be the first routes of seeping water as it leaks through the slab.

How long can a slab leak go undetected?

These water leaks start off invisible to the eye and go undetected for weeks or even months, they can cause hidden water damage and mold. After 72 hours after a water leak mold can start to grow, thriving in damp, dark places like behind cabinets and between walls.

What happens if you have a slab leak?

If neglected, slab leaks can cause serious problems, including wall and foundation cracks, high water bills, bad odors, low water pressure, uneven floors, and might even cause your house to shift and sink. To help prevent slab leak damage, it’s important to schedule regular plumbing maintenance once a year.

Does homeowners insurance cover a slab leak?

Homeowners insurance generally does not cover maintenance issues or wear and tear. So, if a slab leak results when tree roots damage your plumbing, or from plumbing lines that are simply past their prime, a typical homeowners insurance will not pay for repairs.

How do you fix a pipe under a slab?

Quote from the video:
Quote from Youtube video: Down the cut ahead at the end of the drain snake will scrape the inside of the pipe. And remove the last of those tree roots to leave a nice clean pipe.

How do you Replumb a house on a slab?

Repiping a house on a concrete slab typically requires several steps.

  1. Determine if there is reinforcing built into the slab. …
  2. Acquire all permits necessary to do the work if required. …
  3. Shut off the water supply lines.
  4. The team of plumbing technicians will reroute new pipes through walls or attic spaces.

Where are the water pipes in a slab house?

During the plumbing slab construction, the pipes are buried in gravel or sand beneath the slab and are (obviously) difficult to access. The plumbing through slab isn’t easy to reconfigure once placed. Modern homes are more likely to have a moisture barrier that protects a concrete slab.

How does plumbing work in a slab foundation?

The main sewer line runs beneath the future slab on a gravity-flow system. The pipe gradually descends until it ties into the public sewer main that may run behind the houses in an easement or beneath the street in front of the house. If it’s a rural home, the main sewer line runs to a septic tank.

Is repiping a good idea?

There are many things you can do to keep your home in great condition. Keeping up on maintenance tasks, such as drain cleaning and water heater tune-ups, are two examples. However, if you really want to prevent emergency plumbing services, one of the best things you can do for your home is to consider repiping it.

What does repiping include?

Repipe will usually consist of all water lines in the home all lines two each plumbing fixture. New hose connections. All new valves under sinks and toilets. New supply lines.

How much does it cost to repipe a whole house?

The average cost to replumb a house will vary between $5,000 to $7,000. However, the total cost of repiping a house may be as high as $15,000 depending on a variety of factors. These variables include pipe location, number of bathrooms, quantity of fixtures, and how many stories a home includes.

How long does it take to repipe a whole house?

A complete repipe can take anywhere from a few days up to a week. Smaller homes can be repiped in as little as two days, while large homes with multiple bathrooms can take much longer. However, it’s important to note that you won’t necessarily be unable to use your plumbing during that entire time.

What is the best material to repipe a house?


Copper. Copper is the standard and the most prevalent piping material for home plumbing applications. Its strength, durability, flexibility, resistance to corrosion, and ability to tolerate heat makes it a perfect choice to replace iron and steel pipes.

Does repiping a house add value?

Old & Damaged Plumbing Can Keep a Home From Selling At All

They won’t even pursue negotiations or ask for repairs. Repiping can automatically increase the value of your home by just making it sellable. The value would go from zero to your listing price.