Skip to main content
Gatineau & area concrete contractor · Free written estimates
(819) 414-2307

Ardex · Repair Mortars

Concrete Repair Mortars Built for Gatineau Conditions

When a crack, spall, or structural damage appears in concrete, the repair mortar must match the specific situation. Ardex offers engineered formulations for horizontal cracks, vertical wall patches, deep structural sections, and surface spalls. We diagnose the repair type, select the right Ardex product, apply the bonded primer system, and deliver a repair that holds. Free assessment and written quote.

  • Situation-specific product selection
  • Bonded primer system applied
  • Free written estimate, firm schedule

Situation-specific chemistry

Why Ardex Repair Mortars Outperform Generic Patches

Concrete damage comes in different forms, each requiring different repair chemistry. A hairline crack in a slab needs a flexible, flowable mortar that can penetrate and bond. A spalled edge on a wall needs a high-strength, non-sag formulation that won't slump under its own weight. A deep structural repair needs a product engineered for load-bearing performance. Using one generic mortar for all situations is why most repairs fail within a few years.

Ardex manufactures distinct repair mortars for each scenario. Our role is to assess the damage, classify it correctly, and install the matched Ardex product with the bonded-primer protocol that ensures permanent adhesion. The system works because the chemistry is engineered for the specific job, not a compromise.

Pair Ardex overlay systems when resurfacing is part of the scope, integrate Ardex self-leveling underlayment if flatness correction is needed, and explore the full Ardex product range for your project.

Recent work
Ardex repair mortar applied to concrete spall in Gatineau
Ardex vertical repair on wall in Gatineau

Installation sequence

How Ardex Repair Installation Proceeds in Gatineau

  1. Assess the damage type

    We examine the crack, spall, or structural issue and classify it by location, depth, load profile, and substrate condition. This classification determines which Ardex repair mortar is specified.

  2. Prepare the substrate

    The repair area is cleaned to Ardex specification, saw-cut to a clean edge where needed, and all loose material, dust, and contaminants are removed to expose sound concrete.

  3. Apply bonded primer

    The Ardex bonded primer is applied to the prepped substrate per manufacturer instructions. This primer is what creates the permanent mechanical and chemical bond between the repair mortar and existing concrete.

  4. Mix and place mortar

    The selected Ardex repair mortar is mixed to exact ratios, placed at the engineered thickness for that product, and finished to match the surrounding concrete texture and appearance.

  5. Cure and document

    The repair cures per Ardex schedule. We provide system documentation, warranty information, and care instructions at handoff.

Common failure patterns

Why Non-Matched Repairs Fail Within Years

We regularly repair failed concrete patches where a previous contractor applied a generic mortar without considering the repair situation. A horizontal-set product placed on a vertical wall sags and cracks. A fast-setting mortar in a deep section shrinks and delaminates. A low-strength patch under load fails within months. These failures happen because the product was not matched to the situation.

The Ardex system exists because one mortar cannot serve every repair. Our discipline is to diagnose correctly, specify the right product, and follow the bonded-primer protocol. That is what makes the repair last decades instead of failing in a few years.

Coordinate with Ardex waterproofing systems if moisture is part of the repair context, and leverage our full brand portfolio for integrated concrete solutions.

Quote Ardex repair
Finished Ardex repair on Gatineau concrete structure
Engineered Product per situation
Bonded Primer system
Decades Service life

Common questions

Ardex Repair Questions, Answered

Product matching, bonded primer, vertical repair and warranty.

Different repair situations have different load profiles, set time requirements, and substrate conditions. A horizontal patch product placed vertically will sag; a fast-set product placed in a deep section will crack. Matching product to situation is what makes Ardex repairs hold.
Yes. The Ardex bonded primer is what makes the repair material bond permanently to the existing concrete. Skipping or substituting voids the system warranty and risks delamination.
Yes, with the Ardex vertical-repair product that has non-sag rheology. Using a horizontal product on vertical work is one of the most common failure patterns we see in non-Ardex-spec repairs.
Properly matched and installed Ardex repairs last decades. The bond is engineered to outlast the surrounding concrete in most service environments.
Close, not exact. Ardex repair mortars come in standard colors that approximate concrete gray; exact match to old or stained concrete is not achievable. We are honest about the visible difference up front.

Client reviews

What Gatineau Clients Say About Ardex Repair

★★★★★ 4.9 · 87 reviews on Google
Read all reviews →
★★★★★

Three failed previous repairs popped loose. They used the right Ardex product for vertical work with proper bonded primer; the new repair has held two years. Product match was the difference.

Z. U5
Property Manager, Gatineau
★★★★★

Structural repair on a deep slab section. They specced the Ardex deep-section product, not the standard mortar another contractor had suggested. Repair holds load, no cracking.

Y. U5
Facility Director, Ottawa
★★★★★

Multiple repair situations across one project, each with the matched Ardex product. The discipline of product-per-situation showed in the result. All repairs holding.

Q. U5
Commercial GC, Barrhaven
★★★★★

They were honest about color match limitations on the repair. Set the expectation properly, then matched as close as possible. No surprises at handoff.

X. U5
Warehouse Operations, Nepean

Ready to start

Get a Free Ardex Repair Quote

Describe the repair situation (crack, spall, vertical, structural) and the surrounding context. We will specify the matched Ardex product and provide a written quote.

We'll assess the repair and send a written quote within one business day.