Commercial polished concrete in Toronto typically runs $5 to $15 per square foot, with most projects landing between $6 and $10. A basic grind-and-seal on a new slab in good condition sits at the bottom of that range. A multi-pass mechanical polish to a high gloss, with aggregate exposure and remediation of a damaged slab, sits at the top.
The spread comes down to two things: how many grinding passes the finish requires, and what condition your existing slab is in. Unlike a coating, polishing works with the concrete you already have — which means the slab is not just the substrate, it is the finished product. That changes the cost logic considerably.
What Drives the Price
Level of gloss
Polishing is a progressive process. Each pass uses a finer diamond abrasive, and each pass costs labour and time.
- Low sheen or matte — fewer passes, a flat finish with light reflection. The most economical option.
- Satin or semi-gloss — mid-range passes. The most common commercial specification.
- High gloss — the most passes, producing a mirror-like surface. Highest labour content and highest cost.
Aggregate exposure
How much of the stone in the concrete you expose is a design decision with cost consequences.
- Cream finish — grinding only the surface paste, exposing little or no aggregate. Least removal, lowest cost.
- Salt and pepper — light grinding exposing fine aggregate. Popular and moderately priced.
- Full aggregate — grinding deep enough to expose large stone. Significantly more removal, more diamond wear, higher cost.
Slab condition
This is where quotes diverge most, and where Toronto’s building stock matters.
A new, flat, uncontaminated slab polishes efficiently. An older industrial slab may need crack repair, patching, joint filling, removal of adhesive residue from previous floor coverings, or grinding out of oil contamination. Each of these adds labour before polishing begins.
Polishing also exposes what is there. Patches, colour variation, and old repairs become part of the finished appearance rather than being hidden. Where a slab is visually inconsistent, a decorative overlay may be needed first, which changes the project fundamentally.
Area and access
Larger open floors polish more efficiently per square foot — equipment runs longer between repositioning. Small rooms, corridors, tight corners, and areas requiring extensive edge work all raise the rate. Access limitations such as upper floors or restricted hours add mobilisation cost.
Optional Additions
- Densifier — a chemical hardener that penetrates and strengthens the surface. Standard on virtually all quality work and normally included.
- Stain guard or sealer — improves resistance to oil and liquid staining. Worth specifying in food service and retail.
- Dyeing or colouring — adds material and labour.
- Joint filling — semi-rigid filler in control joints, important where forklift traffic would otherwise spall the joint edges.
- Crack and spall repair — priced according to what the slab needs.
How It Compares to Coating
Polished concrete and epoxy often get compared on installed price alone, which misses most of the picture.
Polishing has no coating to delaminate. The finish is the slab, so an entire category of failure — bond failure, moisture-driven blistering, edge lifting — simply does not apply. Moisture vapour emission, which forces mitigation work under many coating installations, is generally not an obstacle to polishing.
Maintenance is typically lower. A polished floor is maintained by dust mopping and periodic burnishing rather than by recoating.
What polishing cannot do is provide a chemical barrier. Where the floor faces aggressive chemicals or requires impermeability for hygiene reasons, a resinous system is the correct answer regardless of cost comparison. Our guidance on commercial and industrial epoxy and polyurethane flooring in Toronto covers those environments.
Where Polished Concrete Suits Toronto Commercial Spaces
It performs well in retail, showrooms, offices, restaurants and cafés, institutional buildings, and warehouses with a sound existing slab. The combination of a contemporary appearance and genuine durability under traffic is what has driven its adoption.
It is less suited to areas with heavy chemical exposure, environments requiring an impermeable seamless surface for compliance, or slabs too deteriorated to yield an acceptable finish.
Reading a Quote
A proper commercial polishing quote should specify:
- Target gloss level and the grit sequence to reach it
- Aggregate exposure level
- Densifier product and application rate
- Whether a stain guard is included
- What slab repair is included and what is extra
- Joint treatment
- Edge and corner work
- Dust control method
Quotes well below market usually indicate a grind-and-seal presented as mechanical polishing. The two are different processes with different service lives — a grind-and-seal applies a topical sealer over a lightly ground surface, which wears and needs reapplication, while a true mechanical polish refines and densifies the concrete itself.
Getting an Accurate Number
Because slab condition dominates the cost, no honest figure can be given without seeing the floor. A test patch is often worthwhile on older slabs — it shows exactly what the aggregate and colour will look like before committing to the whole area.
Armour Guard has delivered commercial concrete polishing in Toronto for more than 30 years, across retail, industrial, and institutional buildings.
Contact our Toronto team for an on-site assessment and a detailed written quote.
