- HEP Plumbing
- Hidden Slab Leaks

Hidden Slab Leaks
Hidden Slab Leaks | Commercial Plumbing | Plumbing | Coalmont
When a covert slab leak threatens your Coalmont storefront, warehouse, or multi-tenant complex, HEP’s specialists arrive with the tools and training to uncover it fast. Our team pairs acoustic listening devices and thermal imaging with decades of hard-won field experience, pinpointing moisture hidden beneath concrete without tearing up your floors. By isolating the leak and repairing it with precision, we stop escalating water bills, prevent structural damage, and keep your operations running smoothly.
It’s all part of the meticulous commercial plumbing care Coalmont businesses count on from HEP. From the first on-site assessment to the final pressure test, you’ll get transparent communication, upfront pricing, and work scheduled around your peak hours to limit downtime. Call today, and let’s keep your foundation dry and your business flowing.
FAQs
What exactly is a hidden slab leak in a commercial building?
A hidden slab leak occurs when pressurized water lines or drainage pipes that run beneath the concrete foundation (slab) of a commercial structure develop cracks, pinhole leaks, or complete ruptures. Because these pipes are encased in concrete, the water escapes into the ground or rises through the slab rather than becoming immediately visible, making detection difficult. Over time, these leaks can undermine the foundation, raise utility bills, and cause interior water damage if they remain unresolved.
What warning signs should Coalmont property managers watch for?
Key indicators include unexpectedly high water bills, the sound of running water when fixtures are off, warm or damp spots on concrete or flooring, mildew odors, cracks in walls or flooring, and pooling water around the building’s perimeter. In multi-tenant properties, tenants might also report low water pressure or sporadic hot water. Catching these subtle symptoms early is critical to prevent structural damage and business interruption.
How are hidden slab leaks diagnosed without demolishing the floor?
Professional plumbers use non-invasive technologies such as electronic leak detection (acoustic listening devices), thermal imaging cameras, and pressure testing to pinpoint leaks with minimal disruption. In many cases, we can trace line paths and isolate the leak within a few square inches. This targeted approach in Coalmont saves on demolition costs, speeds up repair time, and ensures your commercial operations remain functional.
What repair options are available once a slab leak is found?
Depending on leak location, pipe material, and building layout, we typically choose among three methods: (1) Direct access repair – jackhammering a small section of the slab to replace or patch the damaged pipe; (2) Pipe rerouting – abandoning the leaking line under the slab and running new piping through walls or ceilings; or (3) In-place pipe lining (epoxy coating) – inserting a cured-in-place liner to seal pinholes and minor cracks. Our team evaluates cost, downtime, and structural considerations to recommend the most practical solution for your facility.
How long will a commercial slab-leak repair take, and will it shut down my business?
Most diagnostics are completed in one business day. Small direct-access repairs may take 4–6 hours, while extensive rerouting or epoxy lining can run 1–3 days. We coordinate with building managers in Coalmont to schedule work during off-peak hours whenever possible, set up dust containment, and isolate work zones so your tenants and employees can often remain on-site. Any water shut-offs are planned and communicated in advance to minimize downtime.
What does a hidden slab leak typically cost to fix in Coalmont, and is it covered by insurance?
Costs vary with pipe material, leak severity, and repair method. Simple direct access repairs start around $1,500–$3,000; reroutes or epoxy lining for larger commercial lines can range from $4,000 to $10,000+. Many property policies cover water damage and the access portion of the repair but not always the pipe replacement itself. We provide detailed reports, photos, and moisture readings to support your insurance claim and will work with your adjuster to maximize coverage.