Six interlock services for Ottawa homes. Pick yours.
From $25/sq ft
Built straight, stays straight. Frost-proof 10-12 inch base for Ottawa winters.
See drivewaysFrom $25/sq ft
The backyard you will actually use. Fire pits, seat walls, custom layouts.
See patiosFrom $20/sq ft
Front entries that get noticed. Stone pathways, paver walks, garden paths.
See walkwaysFrom $1,500
Stop the sinking before next winter. Lift and relay, joint renewal, paver replacement.
See repairFrom $0.75/sq ft
Make it look new without replacing it. Pressure wash, polymeric sand, sealer.
See cleaningCustom quote
Patio, fire pit, walls, steps, drainage — built together as one project.
See backyards
We’re Interlock Experts, a family-owned Ottawa interlock installation company that was established in 2009. For over 17 years, we’ve been providing outstanding service to Ottawa homeowners. By the time we’re done working together, you’ll feel like family.
Ottawa's frost line is 4 feet deep. A 4-inch base lifts the second winter. A 10-12 inch base stays put for 25+ years. That is the only reason our driveways still look straight a decade later.
Same family-owned crew runs every project from first site visit to final walkthrough. Headcount stays at 11 on purpose so the lead installer is on-site at least 80% of every install.
Our crew installs every paver, every joint, every base course. We hold the standard because we hold the equipment. Subcontracting interlock is how most jobs go wrong.
514 of our last 528 projects had the written quote in your inbox under 24 hours of the site visit. The other 14 took 48. Same-day reply on phone and email every business day.
Takes 30 seconds.
45 minutes, no obligation.
Itemized. No surprises.
No pressure, no follow-up calls.
You do not lift a finger.
We work around your schedule.
Plywood paths, drop cloths, careful crew.
Full sweep, every day.
Three tiers, real Ottawa numbers. Final quote after a free on-site measure.
$25/sq ft
$30/sq ft
$42/sq ft
Want your exact number? Use our interlock cost calculator →
After
Before
Ottawa, ON, May 2025. Existing porch stones removed, base rebuilt and compacted, then interlock reinstalled with proper slope, alignment, and polymeric sand for a clean, long-lasting finish.
Answer 7 quick questions about your project — get back a personalized plan with diagnosis, real-price ranges, paver style recommendations, and a timeline. Free. No sales call unless you ask.
A few of our latest interlock installs.
Backyard interlock patio floor documented across six…
Manotick, Ottawa
View project
Tan block retaining wall capped with charcoal stones…
Stittsville, Ottawa
View project
Stittsville, Ottawa
Tan block retaining wall capped with charcoal stones…
View project
Ottawa, ON
Ottawa, ON, May 2025. Existing porch interlock stones…
View project
Alta Vista, Ottawa
Walkway-and-porch project: tan multi-blend front walkway…
View project
Manotick, Ottawa
Backyard interlock patio floor documented across six…
View project
Orleans, Ottawa
Light grey paver landing with a charcoal border framing…
View project
Barrhaven, Ottawa
Driveway landscaping project documented across five…
View projectBased in Nepean. We install across Ottawa and surrounding communities, from Kanata in the west to Orleans in the east, plus Manotick, Stittsville, Greely, Richmond, and Gatineau on request.
Our new driveway is dead straight after two winters and still looks brand new. The crew was on time every day and cleaned up better than we expected.
Got a written quote within 24 hours and the price never moved. Patio looks exactly like the rendering they sent us.
Three years in and still no settling, no weeds. Used Techo-Bloc with a darker border. Multiple neighbours asked who did it.
Big backyard transformation — patio, fire pit area, steps to the lawn. Crew worked around our schedule and the kids did not miss a single pool day.
Lifted and re-laid two sunken sections plus re-sanded the whole driveway. Looks like new and did not cost anywhere near a full replacement.
Heritage front walkway needed to look period-correct. They sourced the right paver and the result is exactly what we wanted.
Low spots that pool water or trip toes mean the base has settled and needs lifting. See [interlock repair](/interlock-repair/).
Aggressive weed growth means the polymeric sand has washed out and the joints are open. See [paver sealing](/paver-sealing/).
UV-bleached pavers look tired — a clean and seal restores the original tone. See [cleaning](/interlock-cleaning/).
Pavers shifting at the perimeter means the restraint is broken and the field is migrating. See [interlock repair](/interlock-repair/).
Standing water after rain points to grading or base issues that will only get worse. See [drainage solutions](/drainage-solutions/).
Visible gaps between pavers let water reach the base and accelerate settling. See [polymeric sand](/polymeric-sand-installation/).
Interlock driveways in Ottawa run $20–$50 per square foot depending on pavers and site conditions. Most Ottawa driveways land in the $25–$35 range. A 500 sq ft single-car driveway is around $12,500. Use our calculator for your specific project.
Most driveways: 5–10 working days. Patios: 3–7 days. Walkways: 2–4 days. Repairs: 1–3 days. You will get a specific timeline in your written quote.
Techo-Bloc, Permacon, and Unilock. All freeze-thaw rated for Ottawa winters. We do not install discount pavers that fail year two.
For the on-site measurement: yes (45 minutes). For installation: no — most homeowners are not home most days. We coordinate access.
Yes. $2M liability coverage and full WSIB clearance. We will email both certificates before any project starts.
We are typically booking 4–6 weeks out for spring and summer installs. Repair jobs we can usually slot in within 2 weeks.
If your pavers are intact and the base just shifted, we lift and relay ($8–$20/sq ft). If pavers are cracked, faded, or the base is too far gone, full replacement starts at $25/sq ft.
Yes. Minimum project around $1,500 (small walkway or repair). No job is too small as long as it is interlock.
Re-seal every 2–3 years to lock in colour and stop joint sand from washing out.
Add polymeric sand whenever you see gaps — keeps weeds out and the field locked together.
Mild soap and a soft-bristle brush. Skip the high-pressure tip — it blasts the sand right out.
Use calcium chloride or a paver-safe de-icer. Rock salt eats the paver surface and the sand.
Plastic-edged shovels only — metal blades chip the paver edges and gouge the sealer.
Our reviews and 800+ Ottawa interlock projects were featured across national news and finance outlets.