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Interlock paver patio repaired in Gatineau by Duo Vert

Interlock Repair in Gatineau

We remove the old sand, clean deep down and install fresh polymeric sand. Your pavers look like new again.

Our Repair Process

A rigorous 4-step method for a flawless result

01

Free Evaluation

We come to your property to assess your pavers and give you a transparent price, no surprises. We always protect the lawn, flower beds and everything around the work area before starting.

02

High-Pressure Cleaning

Complete removal of the old polymeric sand and a deep pressure wash to clear moss, stains and debris. Our professional pressure washer (3600 PSI, 2.5 GPM, industrial Honda engine) lifts deep-set grime without damaging your pavers.

03

New Polymeric Sand

We apply Techniseal HP NextGel polymeric sand into every joint — always this premium product, regardless of the project. Frost, weed and insect resistant, once cured it forms a barrier that keeps weeds and ants from settling between the joints.

04

Activation & Finishing

Water activation to cure the sand. Sealant option available for maximum protection and a glossy finish. We use Techniseal sealant, a trusted brand, for lasting protection and a finish that brings your pavers' colours back to life. We carefully clean the work site and adjacent surfaces before we leave — you have nothing to pick up.

Signs It’s Time to Repair Your Interlock

Not sure if your driveway or patio needs repair? The freeze-thaw cycles and big temperature swings we get here every winter speed up this kind of wear — here are the most common signs we see at our Gatineau customers' homes.

  • The joint sand has disappeared or become loose. The pavers shift slightly when you walk on them.
  • Weeds or moss keep growing back between the pavers, even after you pull them out.
  • The colour is faded or stained by de-icing salt, oil or built-up dirt.
  • Individual pavers are sunken or raised, creating an uneven surface.
  • Water no longer drains properly and pools after rain.
  • The existing sealant is peeling, yellowing or flaking off in patches.
  • Ants or other insects are settling into the joints between the pavers.

If you recognize one or more of these signs, your interlock pavers likely need a deep clean, fresh polymeric sand and sealant. That's exactly what we do.

Why Choose Duo Vert?

What sets us apart from other companies in the area

Premium Polymeric Sand

We use exclusively Techniseal HP NextGel polymeric sand — the top performer in the line — on every project, frost, insect and weed resistant. Durable results guaranteed.

Transparent Pricing From the First Visit

We come out for free to assess your pavers and give you a clear price, no surprises. No hidden fees, no obligation.

Local Gatineau Team

Émile and Beckett are two local Gatineau entrepreneurs. We know the region, the materials and Quebec's climate conditions. No subcontracting: it's always Émile and Beckett in person on your job site, start to finish. Fast response guaranteed on every request.

Guarantee on Our Work

If an issue tied to our own workmanship shows up after we leave — not a matter of taste, an actual defect in the work — we come back and fix it at no charge. We're confident in what we deliver, so we're not afraid to commit to that.

Real Before/After Results

Drag the slider to see the difference on our recent job sites.

Interlock pavers after repair by Duo Vert Gatineau
Interlock pavers before repair Gatineau — Duo Vert
Before After
Slabs releveled after repair by Duo Vert Gatineau
Misaligned slabs before releveling Gatineau — Duo Vert
Before After

Frequently Asked Questions — Interlock Repair

Everything you need to know before contacting us.

Most residential jobs are completed in a single day. For a large project covering the front and back of the property, expect around 3 days without sealant. If you add sealant, plan for one additional day later on — the pavers need to dry for a while before we can apply it. We'll give you a precise estimate during the free visit.
Repair means removing the old polymeric sand, deep-cleaning the stones and installing new polymeric sand. It's a fraction of the cost of a full replacement, with a result that's often equivalent if the stones are in good condition.
We use exclusively Techniseal HP NextGel polymeric sand, the top performer in the line — on every project, even where a standard product would do. Frost, weed and insect resistant, it lasts about 5 years before a first replacement.
We recommend waiting 24 hours before walking on the repaired pavers, and 72 hours before parking a vehicle on them. This gives the polymeric sand time to fully cure.
Yes. If an issue tied to our own workmanship shows up after we leave — an actual defect in the work, not a matter of taste — we come back and fix it at no charge. We're confident in what we deliver, so we're not afraid to commit to that.
We mainly serve Gatineau, Hull, Aylmer, Masson-Angers and Ottawa. Contact us to check whether we cover your area.
Generally, expect around 5 years before a first replacement, depending on maintenance and weather exposure.
The best window is generally June through September, though we can extend that a bit depending on the weather.
It's mainly the freeze-thaw cycles and big temperature swings that wear down the joint sand and shift the base under the pavers year after year. Regular maintenance considerably slows this down.
Never. It's always Émile and Beckett in person on your job site, start to finish — no outside crew, no surprise about who shows up at your door.
Residential interlock pavers Gatineau — Duo Vert

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