Construction 3 Lacs inc.

Service · Vaudreuil-Soulanges and the West Island

Excavation, French drains and foundations

Water in the basement gets fixed from outside. We excavate, replace the drain, waterproof the foundation and restore the yard, with a specialist partner we coordinate.

Or call: 514-444-2391

What is included

Everything below is in the written quote, line by line. Nothing is a surprise on the invoice.

  • Excavation down to the footing, on one side or all around
  • New French drain with filter membrane and clean stone
  • Cleaning, crack repair and waterproofing membrane
  • Sump pit and pump where needed
  • Concrete foundations for an addition, garage or shed
  • Compacted backfill and yard restoration

From our job sites

Real projects, photographed by our crew in Vaudreuil-Soulanges and the West Island.

See all our work

How it goes

From the first call to the handover

  1. Visit and diagnosis

    Water marks, efflorescence, age of the house: we identify whether it is the drain, a crack or the grading.

  2. Locating services

    Info-Excavation request and marking of gas, power and water lines before digging.

  3. Construction

    Excavation, drain, membrane, backfill. A few days for one side, about two weeks for the full perimeter.

  4. Restoration

    Soil, sod or pavers put back; we leave you photos of the drain before backfill.

What it costs

Price depends on how many sides need excavating, the depth of the foundation and what sits above it: deck, paved driveway, landscaping.

Priced by written quote

This service is priced by written quote after the free visit.

The firm price is confirmed in writing after a free visit.

Try the online estimator

Questions homeowners ask

Before starting a excavation, french drains and foundations project with us.

How do I know my French drain is done?

A house over 30 years old with water marks at the base of the walls or white efflorescence on the concrete is a strong sign. A camera inspection confirms it.

Does the whole perimeter need excavating?

Not always. If water comes in on one side and the rest of the drain works, we can treat one side. The camera tells us.

My deck sits above it. Does it have to come down?

Often we can take it apart in sections and rebuild it. If it is at end of life, this is the right time to redo it in cedar.

Where we do this work

Based in Vaudreuil-Dorion. Each town has its own page with the local rules and the type of houses we see there.

Your town is not listed? We also work across the West Island (Pointe-Claire, Kirkland, Dollard-des-Ormeaux, Pierrefonds, Beaconsfield, Sainte-Anne-de-Bellevue), in Châteauguay, Vaudreuil-sur-le-Lac and everywhere in Vaudreuil-Soulanges. The visit is still free.

Tell us about your project

Call, write or send the form to discuss your project.

  1. 1. We call you backTo understand the project and set the visit.
  2. 2. Free visitWe measure and check site conditions.
  3. 3. Written quoteDetailed, line by line, no obligation.
How would you prefer to be contacted?

Free visit and quoteRBQ licence 5788-4918-01

Your contact details are used to respond to your request.

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