(450) 962-9999 FR
RBQ & CMMTQ

Repair hidden leaks under your slab.

Pressure problems, damp spots on the floor or water sounds? We locate and repair leaks in pipes embedded under the concrete slab in Laval and the Laurentians.

Free Quote 450-962-9999
800+
Clients Served
RBQ
License 5853-4629-01
24/7
Emergency Service
RBQ License 5853-4629-01 CMMTQ Certified CCQ Certified
Our Method

Our method for under-slab repairs

Precise location and targeted intervention to minimize damage.

01

Leak detection

We use location methods (tracer gas, acoustic correlation) to identify the exact point of the leak without unnecessary excavation.

02

Intervention plan

We determine the best approach: localized opening, pipe rerouting, or lining.

03

Repair or replacement

We carry out the repair with resistant materials and backfill the opening professionally.

04

Tests and restoration

We test the new circuit, check for leaks, and carry out a basic repair of the surface (slab).

Included

What's Included

Leak location

Use of advanced techniques to identify the leak without unnecessary breaking.

Under-slab repair

Intervention on the defective pipe with durable materials.

Basic surface restoration

Backfilling of the opening in the slab.

Warranty

Our work is guaranteed for your peace of mind.

Why Us

Why Choose Plomberie RCL?

RBQ expertise

Qualified plumbers for complex under-slab repair work.

Modern techniques

We favor solutions that minimize breakage and inconvenience.

Claim documentation

Detailed reports for insurance claims, our specialty.

Local service

Interventions in Laval and the Laurentians.

Expertise

The risks of an ignored under-slab leak

Water seeping under your house can have serious consequences.

Settlement and structural damage

A continuous leak can leach the soil under the slab, creating voids and eventually causing settlement or cracks in the foundation. A quick repair is essential to preserve the integrity of the building.

Claim expertise for under-slab leaks

Under-slab leaks are often complex to manage with insurance. Thanks to our experience in disputes and claims, we assist you in documenting the work and communicating with your insurer for optimal coverage.

Plomberie RCL service area map - Plumber available in Laval, Rosemère, Boisbriand, Blainville, Mirabel, Saint-Eustache, Terrebonne, Repentigny, Mascouche and throughout Montreal's North Shore
24/7 Emergency Service

Plomberie RCL Service Areas

Professional plumber serving Laval, the Laurentians, and Montreal's North Shore. Emergency service available in the following areas:

  • Laval
  • Rosemère
  • Boisbriand
  • Sainte-Thérèse
  • Blainville
  • Mirabel
  • Saint-Eustache
  • Terrebonne
  • Repentigny
  • Mascouche
  • Lorraine
  • Bois-des-Filion
Our Territory

Laval & The Laurentians

Based in Laval, we serve all of Montreal's North Shore and the Laurentians. Fast response throughout the region for emergencies and planned projects.

Whether you're in Rosemère, Boisbriand, Blainville or Mirabel, our team responds quickly for all your residential and commercial plumbing needs.

Laval Rosemère Boisbriand Sainte-Thérèse Blainville Mirabel Saint-Eustache Terrebonne Repentigny Mascouche Lorraine Bois-des-Filion
Check availability in your area
FAQ

Frequently Asked Questions

Answers to your questions about our services

Signs include a water bill increasing without explanation, damp or warm areas on the floor, a drop in pressure, or the constant sound of running water when all taps are closed.
Not always. We first locate the leak precisely. Sometimes a localized opening is enough. In other cases, lining techniques (pulling a new pipe through the old one) can be considered to avoid breakage.
It can be due to corrosion of copper pipes (especially if the soil is acidic), ground movement, poor initial installation, or natural wear and tear.
It depends on accessibility and the method. A repair by localized opening can take one day. A complete pipe replacement can take several days.
Yes, water pipes often run under garage slabs. If you notice a leak, the principle is the same.
Yes, all our work is guaranteed. We ensure the use of durable materials and proven techniques for a reliable repair.
Free Quote within 24h

Suspect a leak under your slab?

An untreated under-slab leak can cause ground settlement and costly structural damage. Contact us for an accurate diagnosis in Laval or the Laurentians.

RBQ License

5853-4629-01

Business Hours

Mon-Fri 8am-4pm

Emergency 24/7

Request your free quote

Fill out the form and we will contact you within 24h

Guaranteed response within 24 hours • RBQ License 5853-4629-01
Call 450-962-9999 Request a leak location

RBQ #5853-4629-01 | CMMTQ Member