Service

Interlock Repair in Ottawa

Sunken pavers, cracked edges, and shifting borders are a sign of base failure. We lift, rebuild, and reinstall so your surface is level, stable, and safe.

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What is interlock repair?

Interlock surfaces sink, shift, and crack for specific reasons. Usually it comes down to base failure, poor drainage, or edge restraints that have given out over time. Our repair service starts with diagnosing why the area failed, not just patching what you can see. We lift the affected pavers, assess and rebuild the base, compact it correctly, and reinstall everything level and tight. We also address any drainage issues that contributed to the problem so the same area does not fail again. Whether it is a trip hazard on a front walkway, a sunken section in the driveway, or border stones that have shifted out, we fix the root cause and blend the repair into the surrounding surface so it looks clean when we are done.

Fixes the root cause

We diagnose base failure, drainage issues, and edge problems before touching a single paver.

Eliminates trip hazards

Sunken and uneven pavers are a liability. We restore a safe, even surface.

Restores curb appeal

Properly repaired interlock looks clean and blends with the surrounding surface.

Prevents further damage

Addressing drainage and base issues stops the problem from spreading to adjacent areas.

Our process

A clean finish starts with the steps you do not see. We build from the base up.

Step 1

Diagnosis and assessment

We identify the cause of failure, whether it is base erosion, drainage problems, or failing edge restraints.

Step 2

Lift and base rebuild

We remove the affected pavers, excavate, correct the base and grading, and compact in lifts.

Step 3

Reinstall and joint

We reinstall pavers, cut cleanly where needed, re-sand joints, and compact for a stable lock.

Pricing factors

Exact pricing depends on the project. These are the main drivers:

Area size and severity of sinking/shift

Whether base rebuild is needed

Drainage corrections required

Replacement pavers (if existing are broken/unavailable)

Edge restraint and border repairs

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Call us directly or send us photos and details through the form. We respond quickly.

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Gallery

Project examples from recent-style work.

Ready to get started on your interlock repair project?

Call us today for a free estimate. We serve Ottawa and surrounding areas including Gatineau, Kanata, Nepean, Barrhaven, and more.

Call +1 (613) 621-9757 Get Free Quote

FAQ

Common questions about interlock repair.

+Why does interlock sink?

The most common reason is that the base underneath wasn't compacted properly when it was originally installed, so over time it settles unevenly. Water is another big factor, especially in Ottawa where freeze-thaw cycles can wash out base material and create voids under the pavers. Failing edge restraints can also let the whole system shift outward, which creates gaps and low spots.

+Can you match existing pavers?

In most cases, yes. If the original paver is still being manufactured, we can source the same product for a seamless repair. If it's been discontinued, we'll find the closest match available or we can use a contrasting paver as a feature border to make the transition look intentional rather than patched.

+Is re-leveling better than replacing?

If your pavers are still in good condition and just the base has failed, re-leveling is almost always the smarter move. It costs less than a full replacement and gives you a solid result. We'll assess the pavers during the repair and let you know honestly if any need to be swapped out.

+How long do repairs take?

Small repairs like a sunken section of walkway can often be done in a few hours. Larger areas that need base rebuilding or drainage corrections might take 1 to 2 days. We'll give you a clear timeline after the initial assessment so you know what to expect.

+Will the repaired area look different?

We do our best to blend the repair into the surrounding surface so it's not obvious. There can be some slight colour variation if the existing pavers have weathered over the years, but a good cleaning or sealing of the full area usually brings everything together. Most homeowners are surprised at how well it matches.

+Do you fix pooling water?

Yes, pooling water is one of the most common issues we deal with. We can regrade the affected area to create proper slope, add drainage features if needed, and make sure water is moving away from your home's foundation. Fixing the drainage is important because standing water is usually what caused the damage in the first place.

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Other services

Explore our full range of interlock and outdoor services in Ottawa.

Interlock Installation

Expert driveway, walkway, and patio installations built on a solid base with a clean finish.

Patio Installation

Backyard patio installations designed for outdoor living with proper drainage and a premium finish.

Uneven Pavers Leveling

Lift and re-level uneven pavers to eliminate trip hazards and restore clean lines.

Pressure Washing + Resanding

Professional interlock cleaning and joint resanding to bring back the look and stability of your surface.

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