leak detection services

A Damaging Slab Leak: Detecting and Dealing with the Hidden Menace

The majority of homeowners have an understanding of the expenses associated with managing a household. Consequently, they develop a sense of uneasiness when an issue arises. For instance, an increase in a home’s water usage may suggest a bigger problem. A heightened water bill may signify a greater issue, including an irrigation or slab leak, yet the greater of the two involves a damaging slab leak. Timing is everything when locating the leak because the damage could be significant if left unchecked. It can result in substantial economic losses due to water damage. Recognizing the indicators of a slab leak may prove favorable to homeowners. Knowing what to look for is the first step in the right direction. 

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What is a Slab Leak and Its Causes?

A slab leak is a water leak within the pipes or plumbing system situated under the concrete slab foundation of a building, including houses and commercial structures. These leaks pose significant challenges in terms of detection, and if left unchecked for an extended duration, they can result in substantial property damage.

Flood Damage From a Slab Leak

Numerous factors Can Contribute to the Existence of Slab Leaks, including:

Poorly installed pipes

Improper installation or protection of the plumbing pipes during construction can render them more susceptible to damage and subsequent leaks.

Shifting soil

Changes in the foundation’s underlying soil can cause the pipes to crack or develop leaks. Especially here in California, where seismic activity is common. 


Our plumbing system doesn’t last forever. Brass, cast iron, and galvanized steel typically have a lifespan ranging from 80 to 100 years, while copper pipes can last approximately 70 to 80 years. However, some professionals aren’t as generous with those numbers and say they can rust or build up hard water deposits in specific areas of California. 


A small pebble pressing against a copper pipe over many years could lead to a pinhole leak. In most cases, these kinds of leaks go unnoticed for some time. So, staying on top is important, especially if you see any signs. 

Water pressure complications

High water pressure can put a strain on pipes and appliances, leading to pipe leaks. You should set your water pressure regulator between 50-70. Anything over 80 is considered high and a detriment to your plumbing system.

Stop Slab Leaks in Their Tracks with These Methods to Minimize Slab Leak Occurrence

Let’s face it: most of us periodically walk around our property for any number of reasons, so why not do a visual inspection when doing so? So what do I look for? I’m glad you asked.

  • Look for unexplained moisture or mildew odors, which may indicate an underlying issue.
  • Look for Dark areas in the concrete around your home or garage. 

Regularly assess the condition of your property’s foundation and promptly address any issues. Consider installing leak detection devices that will provide early alerts for potential slab leaks. These detection systems will allow for timely repairs, saving you from costly damages in the long run.

Leaks are the Sneaky Culprit Behind Your High Water Bill

If you ever receive an unusually high water bill surpassing the usual amount, there is likely a water leak within your plumbing system. An easy way to check is to turn off all the water in your home. Check the the spinning oval or triangular dial. If it stopped spinning, you’re okay; if it’s still spinning, you have a water leak. At that point, promptly contact a licensed plumbing professional. BIG B’s Plumbing has a specialist skilled in detecting slab leaks who can assist you in locating the source of the leak with the utmost efficiency. Our state-of-the-art plumbing technology eliminates the need for guesswork in identifying the precise location of the leak.

Water Seeping Around Your House? Might be a Damaging Slab Leak

When water accumulates in unexpected places around your property, near the foundation, it may suggest a slab leak. These leaks transpire when the pipes beneath your home or building’s concrete foundation develop leaks. As a result, water seeps through, forming pools around the affected area. Neglecting this sign can result in substantial damage to the foundation, heightened water expenses, and even mold growth. It is vital to promptly detect and repair slab leaks to prevent further harm to your property and ensure your safety and comfort.

Tiles are Buckling, Damaged Wood Floors, and Discoloration of Ceramic Tiles are Indicators of Slab Leak

Homeowners can encounter a variety of flooring dilemmas when dealing with slab leaks in their kitchens and bathrooms. The moisture from the leak can seep through the concrete foundation and affect the flooring materials above. Also, a damaging slab leak can cause water to rise through the floor and interact with ceramic tiles, leading to discoloration or staining. Discolored tiles may appear darker or have visible watermarks different from the usual appearance. This visual is a cue that something is amiss beneath the surface. 

Structures with wooden flooring can result in the gradual accumulation of moisture within the subfloor and wooden components. Over time, this moisture exposure can cause wood floors to become damaged. Common signs include warping, cupping, or even rotting of the wood. When you notice these signs, consult a professional plumbing contractor to assess and repair the issue.

Identifying Slab Leaks Through Dampness and Odors

A slab leak can have an impact on carpets, similar to other types of flooring. When water leaks from pipes below a concrete slab, it typically seeks the path of least resistance upward, potentially affecting the areas directly beneath your carpet. Identifying slab leaks in carpet:

Moist or Wet Carpet

The severity of the damaging slab leak determines whether your carpet will be damp or soaking wet. It is a clear sign of a potential slab leak. Nonetheless, it also suggests that water has been seeping into your home for a considerable time, as it takes time for water to permeate through the concrete slab and the subfloor before dampening the carpet.

Mildew Smell

The scent of mildew can arise when a carpet remains damp for prolonged periods. In such circumstances, persistent dampness provides optimal growth for mold and mildew. These fungi emit microbial volatile organic compounds (MVOCs), generating a musty odor. Mold or mildew beneath your carpet will create the unusual scent of mildew.

Visible Mildew or Mold

The presence of visible mildew or mold on your carpet, particularly along the edges adjacent to the wall, indicates excessive moisture and poses a potential health risk. Mold exposure can result in many health complications, particularly for individuals with allergies, asthma, or other respiratory conditions.

Why a Slab Leak Could be to Blame for Your Frustratingly Low Water Pressure

Low water pressure could be an indication of a potential slab leak. When a pipe leaks underneath your residence’s concrete slab, the plumbing system’s pressure diminishes. Water escapes from the system instead of being directed towards the faucets and fixtures where it should flow. Consequently, you might observe weaker water flow from faucets and showerheads or prolonged filling time for sinks and bathtubs.

This symptom cannot definitively confirm the presence of a damaging slab leak since there are various other possible causes for low water pressure. However, when combined with other signs like damp floors or an unusually high water bill, it strongly indicates the existence of a slab leak. If you suspect a slab leak, seek assistance from a professional since this issue can result in considerable damage if not addressed on time.

Slab Leaks Are No Match for Our Expertise Here at BIG B’s Plumbing

Detecting and repairing slab leaks maintains your home’s structural integrity and prevents potential water damage of significant proportions. Signs such as low water pressure, damp or musty-smelling carpet, and damaged floors may indicate the presence of a slab leak. If left unattended, these issues can escalate and result in costly repairs. Consequently, act straight away when you suspect a damaging slab leak.

If you suspect that your home may be affected by a damaging slab leak, do not hesitate to contact the experts at BIG B’s Plumbing. We are known for our excellent and prompt service, guaranteeing optimal and safe in-home plumbing services. Don’t be caught off guard; reach out today. With our professional assistance, you can safeguard your home, peace of mind, and finances. Let us stop your slab leak and protect your property for many years. We hold accreditation from the Better Business Bureau, boasting an exceptional A+ rating. Feel free to peruse thousands of outstanding reviews on Google, Yelp, and Facebook.

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After 20 years, my water heater went out. My home warranty service put me in touch with Murrieta plumbing company. I received a call from the technician to inform me that he would be there between 9 and 10. He was there on time and was very knowledgeable in explaining the installation and the upgrades that were necessary in order to bring my water heater situation up to code...
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