Hamilton Retaining Walls

Concrete Block (Segmental) Retaining Walls

What is a segmental concrete block retaining wall and why is it popular in Hamilton?

A segmental wall uses interlocking concrete blocks without mortar, built on a compacted gravel base with drainage. It delivers clean lines, curves, and steps—ideal for Hamilton homes and commercial sites.

Do segmental block walls need a poured footing?

No poured footing is required. We build on a level, compacted granular base designed to manufacturer specs and site conditions.

How high can a concrete block wall be without engineering?

Heights vary by product and soils, but many systems allow modest walls without engineering. Taller or loaded walls require engineered design and geogrid reinforcement.

What drainage system do you install behind block walls?

Perforated drain tile to a free‑flow outlet, clean crushed backfill, and geotextile separation to keep fines out—critical for GTA freeze–thaw performance.

When is geogrid used with block systems?

When engineering calls for increased stability—typically for taller walls, surcharges (parking/driveways), or poor soils. Grid layers are placed at specified intervals.

Can you integrate stairs and terraces with segmental blocks?

Yes. We build matching steps, landings, and multi‑tier terraces to maximize usable space while distributing loads.

What finishes and colours are available?

Split‑face, tumbled, and modern smooth profiles in a range of tones. We bring samples to match your Hamilton property’s style.

How long does a typical block wall project take?

Small residential walls often complete in 2–6 days once scheduled; larger engineered systems can run 1–3+ weeks depending on length, height, and access.

How do you prevent settlement and wall movement?

Proper excavation, subgrade remediation if needed, a thick compacted base, lift‑by‑lift backfill compaction, drainage, and adherence to the engineer/manufacturer specs.

Can a block wall be built on a slope?

Yes. We step the leveling pad and courses to follow grade while maintaining structural integrity and drainage continuity.

Do you seal caps or adhesives on block walls?

Caps are adhered with exterior construction adhesive; optional sealers are available for stain resistance and colour longevity.

What maintenance should I plan for with a block wall?

Keep outlets clear, direct surface water away, remove intrusive vegetation, and visually inspect caps and joints annually.

Can you repair a leaning or bulging block wall?

We diagnose the cause—usually drainage or base issues—and propose either targeted repairs or a rebuild to current standards with proper grid and drainage.

Will a segmental wall work near a property line?

Often yes with the right design. Tight setbacks may favour poured concrete; we’ll advise after a site visit and survey review.

Boulder Retaining Walls

What is a boulder retaining wall and where does it fit best in Hamilton?

It’s a wall built from large natural stones that rely on mass and interlock. Perfect for organic aesthetics, ravine edges, and rural‑style properties across Hamilton and area.

Are boulder walls engineered?

Short garden walls may not require engineering; taller or load‑bearing walls can be engineered with specified stone sizes, embedment, and optional geogrid.

What size boulders do you use?

We source locally available limestone or granite in varied sizes to achieve strong interlock and an attractive, natural face.

Do boulder walls need drainage like block walls?

Yes. We install the same drainage assembly—perforated pipe, clean stone backfill, and geotextile—to relieve hydrostatic pressure.

How precise is the finish compared to modular block?

Boulder walls are intentionally organic. For crisp, uniform lines choose segmental block; for a natural look choose boulder.

Can you incorporate stairs and seating into a boulder wall?

Absolutely—stone steps, landings, and integrated seating or planters are common enhancements.

How do you handle tight access for heavy stones?

We plan equipment selection, staging, and delivery routes; mini‑machines and cranes are used when side‑yard access is limited.

What is the typical timeline for a boulder wall?

Most residential builds complete in 3–7 days once scheduled; very large or complex layouts may extend to 1–2+ weeks.

Will vegetation damage a boulder wall over time?

We design joints to resist plant intrusion and recommend routine trimming; avoid deep‑rooted species directly behind the wall.

Can you match boulder colour to existing landscape features?

Yes—within availability. We source stone that complements your home, patio, or natural surroundings.

Blast Rock Retaining Walls

What is a blast rock wall?

A structure built from fractured quarry rock or site‑won rock, placed for interlock and mass. It delivers a rugged, natural stone look that’s cost‑effective on suitable sites.

When is blast rock a better option than modular block?

When you want a natural face, have good equipment access, or have economical rock supply. It’s excellent for long runs and rural edges within the Hamilton region.

Do blast rock walls require engineering?

For modest heights they may not; taller or loaded walls often do. We engage engineers when required and build to the stamped design.

How do you ensure stability with irregular rock shapes?

We key rocks into the slope, batter the face, use large base stones, and backfill/compact in lifts with proper drainage.

What drainage is used behind blast rock?

Similar to other systems—perforated pipe, clean crushed backfill, and geotextile to separate native soils.

Are blast rock walls suitable for freeze–thaw in Hamilton?

Yes, when properly drained and compacted. The mass and interlock handle seasonal movement well.

Can you integrate stairs and access paths through a blast rock wall?

Yes—formed stone steps and landings can be woven into the layout for durable access.

How long does construction take?

Small projects: 2–6 days. Extensive runs or heavy rock handling: 1–3+ weeks depending on access and volume.

Do blast rock walls require special equipment?

Generally yes—excavators with thumbs and heavy‑duty buckets to place and seat stones safely.

What maintenance is recommended?

Minimal—keep outlets clear and manage surface water. Inspections after heavy storms are good practice.

Poured Concrete Retaining Walls

When is a poured concrete retaining wall the right choice?

When you need maximum strength, tight property‑line tolerances, or a sleek, modern appearance.

Do poured walls require engineering and permits in Hamilton?

Typically yes. We coordinate structural design, footing details, and City of Hamilton approvals.

How do you control cracking in poured walls?

Proper rebar placement, expansion/control joints, curing practices, waterproofing, and robust drainage reduce cracking risk.

What finishes are available for poured walls?

Smooth, broom, board‑form textures, architectural liners, and stone/brick veneers for premium looks.

What is the typical construction sequence?

Excavation and forms → rebar installation → footings and stem pour → cure → waterproof/drain → controlled backfill → finish grading.

How long does a poured concrete wall take to build?

Forming and curing add time up front; expect 1–3+ weeks depending on length, height, access, and finish complexity.

Can you add railings or fencing to the top of a poured wall?

Yes—engineered post sleeves or embedded plates are planned during design to maintain structural integrity.

Are poured concrete walls more expensive than block?

They can be for short runs, but become competitive where height, loads, or tight setbacks favour a monolithic structure. We price both options.

How do you waterproof a poured concrete wall?

We use damp‑proofing or full waterproof membranes as specified, plus drainage board and weeps to relieve pressure.

What maintenance is needed for poured walls?

Keep surface drainage away from the wall, clear outlets, and inspect joints and coatings periodically.

Process, Permits & Scheduling (Hamilton, ON)

What is your start‑to‑finish process for retaining walls in Hamilton?

Discovery call → free on‑site assessment → utility locates → design & itemized quote → permits/engineering if required → schedule confirmation → excavation & base prep → build with drainage → cleanup, walkthrough, warranty.

How quickly can you visit my property and provide a quote?

Site visits are usually booked within a few business days. Quotes follow within 48–72 hours, or longer if engineering is required.

How do you structure payments?

Commonly a booking deposit, progress draw(s) at milestones, and the balance on completion after the final walkthrough.

Do you handle permits and engineering on my behalf?

Yes. We coordinate drawings, engineering, and City submissions, and keep you updated on timelines and fees.

How do weather and freeze–thaw affect scheduling?

We avoid compacting saturated subgrades and schedule pours around temperature windows. Quality takes precedence over speed; we’ll communicate any weather shifts.

What info helps you price faster?

Your address, photos, rough length/height, preferred wall type or look, access notes (gates/side yards), and your ideal completion timeframe.

Can you work in tight urban lots?

Yes—mini‑excavators, conveyors, and protective mats allow us to navigate narrow side yards and protect finishes.

Do you offer demolition and disposal of failing walls?

We do. Our proposals can include removal, disposal, site prep, and a code‑compliant rebuild with proper drainage.

What warranty do you provide?

A written workmanship warranty plus manufacturer product warranties where applicable. Details are included in your proposal.

What areas do you serve?

Hamilton, Ancaster, Stoney Creek, Dundas, Waterdown, Binbrook, Burlington, and nearby communities.

Ready to plan your retaining wall?

Contact Hamilton Retaining Walls for a free on‑site assessment and a clear, itemized proposal. We’ll recommend the best system—concrete block, boulder, blast rock, or poured concrete—to fit your site, budget, and style.