Concrete Repair for Commercial Buildings in Toronto & the GTA
A&A Masonry provides commercial masonry and concrete repair in Toronto and the GTA for office and retail buildings, warehouses, parking garages, loading docks and mixed-use properties. We assess cracked, spalled or uneven concrete and discuss the repair method, site access and operating requirements before work is planned.
Our commercial services include floor and slab repairs, resurfacing, joint repairs, epoxy and polyurea coatings, waterproofing and engineered structural concrete repairs where required.
Looking for repairs at your home? Visit our residential concrete repair services in Toronto for steps, porches, walkways and damaged exterior concrete.
For a commercial property, request a commercial assessment to discuss the concrete damage and proposed scope.
Common Concrete Issues in Commercial Buildings
Concrete fails due to:
Traffic and Loads
Heavy traffic and vehicle loads.
Water and Freeze-Thaw
Water infiltration and freeze-thaw.
Failures
Failed joints and slab movement.
Rebar Corrosion
Rebar corrosion from leaks.
Settlement
Uneven floors and stress.
Commercial concrete floor and joint repairs should address the cause of the damage as well as the affected surface.
Common Concrete Problems in Toronto Commercial Buildings
Toronto’s climate—freeze-thaw cycles, de-icing salts, heavy traffic, and roof runoff—accelerates concrete degradation. Typical issues include:
Flaking from salt and traffic.
Fissures from heavy trucks.
Interior stains from leaks.
Rust jacking and cracking.
Trip hazards from settlement.
Left unchecked, these problems escalate into safety hazards, tenant complaints, equipment damage, and costly replacements. For high-use zones, improper repairs without industrial building waterproofing Toronto lead to recurring failure.
A&A Masonry’s Concrete Repair Process
Commercial concrete repairs need to account for the damage, the underlying cause and how the area is used. A&A Masonry works on concrete in offices, retail buildings, warehouses, parking garages, loading docks and mixed-use properties. Depending on the project, repair planning may include the following assessment, preparation and repair methods:
- Core sampling and GPR scanning to assess depth and reinforcement
- Surface prep using shot blasting, scarifying, or hydrodemolition
- Crack injection with low-viscosity epoxy or polyurethane
- Spall repair using polymer-modified, rapid-set mortars
- Joint reconstruction with semi-rigid, traffic-rated sealants
- Overlay systems using quartz-enhanced polymer or micro-toppings
- Final curing and slip-resistance testing with CSA methods
Discuss operating hours, tenant access, loading routes and vehicle or pedestrian traffic during the assessment. Off-hours or phased work may be appropriate, depending on the repair scope and site conditions. Required curing and reopening times should be confirmed for the proposed repair system.
Concrete Systems & Long-Term Performance
The repair system should suit the concrete condition, moisture exposure, traffic and intended use. Available services include:
- Epoxy and polyurea coatings for suitable commercial concrete floors and surfaces
- Carbon fibre reinforcement where specified for an engineered structural repair
- Traffic-rated joint repairs for expansion and control joints in commercial slabs
- Quality checks and testing appropriate to the repair specification
Expected service life, maintenance requirements and any applicable warranty depend on the selected system and project conditions. Confirm the coverage and exclusions in the written proposal.
Addressing the cause of deterioration and selecting a suitable repair can improve safety and reduce recurring damage. The assessment should establish whether localized repair, resurfacing or replacement is appropriate.
Our Concrete Repair Services
Floor & Slab Repair
Repair cracks, spalls and damaged slab areas in warehouses, parking garages and loading docks. Resurfacing, overlays, epoxy or polyurea coatings may be suitable depending on the concrete condition and intended use.
Structural Restoration
Structural concrete repairs can include patching and reinforcement of columns, beams and other affected elements. Engineering, testing, permits and access requirements should be established for the specific repair scope.
Waterproofing
Industrial building waterproofing Toronto with sealers and membranes.
Foundation Repair
Stabilization with piers and grout. Works with structural brick repair Toronto.
Experience and Service Area
A&A Masonry has served Toronto and the GTA for decades, with proven results in:
- Downtown Toronto office and retail parkades
- Commercial corridors in Mississauga, Vaughan, and North York
- Mixed-use developments in Scarborough, Etobicoke, and Oakville
We are proud to serve:
Why Choose A&A Masonry?
20+ Award Winner
Award-winning craftsmen committed to superior results
Trusted Masonry Contractor
Honest, detailed estimates and clear project timelines
Full Exterior Services
Expertise in concrete, brick, and waterproofing repair.
Warranty-Backed Workmanship
Safety-first—certified, insured, and tenant-focused.
900+ 5 Stars Reviews
End-to-end solutions from assessment to final performance.
Frequently Asked Questions About Commercial Concrete Repair
What information should I send when requesting a commercial concrete repair consultation?
Can commercial concrete repairs be planned around building access?
How do I know whether damaged concrete should be repaired or replaced?
When can repaired commercial concrete return to normal use?
Request a Commercial Assessment
Cracked, spalled or uneven concrete at a commercial property should be assessed before deciding on repairs. Request a commercial assessment with A&A Masonry to discuss the damaged area, site access and repair requirements. Include photographs and a description of any movement, water entry or access concerns. You can also call 416-236-8721.
