How much does it cost to coat a garage floor?

ProEpoxy quotes $1,200 to $1,800 for a single bay, $1,800 to $2,800 for a double and $2,800 to $4,200 or more for a triple, all in. Per square foot that is $5 to $7, $4.50 to $6 and $4 to $6 respectively. Armour Guard puts GTA epoxy at $4 to $12 per square foot installed and states that most residential projects fall in the $5 to $10 range, which is one of the very few midpoints any of these firms actually publishes.

Why does a bigger garage cost less per square foot?

Because a large part of a coating job does not scale with the floor. Getting the crew and the grinder to your house, masking the walls, mixing, and the minimum day the crew is booked for cost roughly the same whether they coat 250 square feet or 750. ProEpoxy's own price list shows it dropping: $5 to $7 on a single, $4.50 to $6 on a double, $4 to $6 on a triple. If a quote for a triple bay carries the same per-foot rate as a single, that is worth a question.

What is the cheapest garage floor coating that is not a waste of money?

A solid-colour epoxy on a slab that does not need extra work. Monarch publishes $4 to $6 per square foot for standard solid epoxy, the lowest figure across the firms here, and ProEpoxy's all-in garage rate starts at $4.50. Below that you have left the professional market: you are into a DIY kit, which is a different product with a different preparation method and a different lifespan.

My budget is short. What should I cut first?

The finish, not the preparation. A solid colour on a properly ground slab will outlast a metallic floor laid over concrete that was acid-etched to save a few hundred dollars, and the failure mode of bad prep is the whole coating lifting rather than a patch wearing thin. If the number will not stretch, drop from metallic to flake or from flake to solid colour, and leave the grinding line alone.

Does this budget include HST, prep and the old coating?

No, none of the three. Every rate behind this page is quoted before tax, so add 13 percent for Ontario HST at the end. Grinding a stained or cracked slab, stripping a previous coating and laying a moisture barrier are all separate line items on a real quote and none is included here. A budget that only just clears the low end of a band is a budget with nothing left for any of them.

Is a garage floor coating worth it at all in this climate?

The argument for it is salt. A GTA car spends four months a year carrying road salt and brine onto the slab, and untreated concrete absorbs it, which is what causes the pitting and dusting you see on a fifteen-year-old garage floor. SurfacePro says a professionally prepared floor with a UV-stable top coat should last 15 to 20 years here. That is the trade being made: a few thousand dollars now against a slab surface that is expensive to repair once it has gone.

Garage Floor Coating Cost: What Will Your Budget Actually Buy?

Last updated: August 26, 2026By EpoxyFloorIndex Research Team

Most people arrive at this question with a number already in mind, so this calculator runs it the other way round: put the budget in, and it reports which coatings that money reaches on your floor and which it falls short of, in dollars. A $3,000 budget on a 400 square foot double works out at $7.50 per square foot, which clears the top of the published solid-colour and flake ranges and lands inside the polyaspartic one.

What does your budget actually reach?

What are you willing to spend, before HST?

How many bays?

Single bay200 to 250 sq ftDouble bay400 to 500 sq ftTriple bay600 to 750 sq ft

Or the measured area in square feet

$3,000 over 400 sq ft

$7.50 per sq ft

The dearest finish that budget reaches is flake or chip.

Solid colour epoxy$1,600 to $2,800
Covers even the dearest quote$4 to $7/sq ft
One colour, a clear top coat, no decoration · Monarch Epoxy Coatings; GLI Epoxy Flooring (Toronto guide); ProEpoxy
Flake or chip$2,000 to $4,000
Inside the range, at the lower end$5 to $10/sq ft
Chips broadcast into the base coat, then sealed · Monarch Epoxy Coatings; GLI Epoxy Flooring (Toronto guide); Canada Chemicals and Coatings
Polyaspartic$1,200 to $4,800
Inside the range, at the lower end$3 to $12/sq ft
Fast cure, back on the floor in about a day · Monarch Epoxy Coatings; GLI Epoxy Flooring (Ontario guide); Quick Coat
Metallic$3,200 to $4,800
Short by $200$8 to $12/sq ft
Pigment moved through the resin, marbled finish · Monarch Epoxy Coatings; GLI Epoxy Flooring (Toronto guide); Canada Chemicals and Coatings
Polyurea hybrid$3,200 to $6,000
Short by $200$8 to $15/sq ft
The top of the residential range, fast and hard · Monarch Epoxy Coatings; GLI Epoxy Flooring (Ontario guide)

Coating only, before 13% HST. Grinding a stained slab, stripping an old coating or laying a moisture barrier are separate line items and none of them is in these numbers. Each band is the widest published range across the named firms, so a budget that only just clears the low end is a budget with nothing left for prep.

The rate falls as the garage gets bigger

This is the part of garage floor pricing that surprises people, and it is on ProEpoxy's published price list in black and white: single bay at $5 to $7 per square foot, double bay at $4.5 to $6, triple bay at $4 to $6.

The reason is that a coating job is mostly a day, not a quantity. The crew and the grinder have to get to your house, the walls get masked, the slab gets ground, and the crew is booked for a minimum block whether your floor is 250 square feet or 750. Those costs are flat, so they thin out over a bigger floor. Material and labour on the coating itself do scale, which is why the rate falls rather than collapsing.

Two practical consequences. A single-bay garage is the worst value per square foot you can buy, so if you were considering doing the garage and a basement landing at the same time, doing them in one visit is cheaper than two. And a per-square-foot quote for a small floor that matches the big-floor rate is either a mistake or an offer that will be revised.

What each finish costs per square foot

Every band below is the widest published range across the firms named beside it, not an average of them. Where Monarch says $5 to $10 for flake and GLI Toronto says $7 to $10, the band is $5 to $10, because both are quoting real GTA work.

Published per-square-foot rates by garage floor coating finish, GTA, CAD before HST
Finish, and the firms behind the band	Per sq ft
Solid colour epoxyMonarch Epoxy Coatings; GLI Epoxy Flooring (Toronto guide); ProEpoxy	$4to $7
Flake or chipMonarch Epoxy Coatings; GLI Epoxy Flooring (Toronto guide); Canada Chemicals and Coatings	$5to $10
PolyasparticMonarch Epoxy Coatings; GLI Epoxy Flooring (Ontario guide); Quick Coat	$3to $12
MetallicMonarch Epoxy Coatings; GLI Epoxy Flooring (Toronto guide); Canada Chemicals and Coatings	$8to $12
Polyurea hybridMonarch Epoxy Coatings; GLI Epoxy Flooring (Ontario guide)	$8to $15

Frequently asked questions

How much does it cost to coat a garage floor?: ProEpoxy quotes $1,200 to $1,800 for a single bay, $1,800 to $2,800 for a double and $2,800 to $4,200 or more for a triple, all in. Per square foot that is $5 to $7, $4.50 to $6 and $4 to $6 respectively. Armour Guard puts GTA epoxy at $4 to $12 per square foot installed and states that most residential projects fall in the $5 to $10 range, which is one of the very few midpoints any of these firms actually publishes.
Why does a bigger garage cost less per square foot?: Because a large part of a coating job does not scale with the floor. Getting the crew and the grinder to your house, masking the walls, mixing, and the minimum day the crew is booked for cost roughly the same whether they coat 250 square feet or 750. ProEpoxy's own price list shows it dropping: $5 to $7 on a single, $4.50 to $6 on a double, $4 to $6 on a triple. If a quote for a triple bay carries the same per-foot rate as a single, that is worth a question.
What is the cheapest garage floor coating that is not a waste of money?: A solid-colour epoxy on a slab that does not need extra work. Monarch publishes $4 to $6 per square foot for standard solid epoxy, the lowest figure across the firms here, and ProEpoxy's all-in garage rate starts at $4.50. Below that you have left the professional market: you are into a DIY kit, which is a different product with a different preparation method and a different lifespan.
My budget is short. What should I cut first?: The finish, not the preparation. A solid colour on a properly ground slab will outlast a metallic floor laid over concrete that was acid-etched to save a few hundred dollars, and the failure mode of bad prep is the whole coating lifting rather than a patch wearing thin. If the number will not stretch, drop from metallic to flake or from flake to solid colour, and leave the grinding line alone.
Does this budget include HST, prep and the old coating?: No, none of the three. Every rate behind this page is quoted before tax, so add 13 percent for Ontario HST at the end. Grinding a stained or cracked slab, stripping a previous coating and laying a moisture barrier are all separate line items on a real quote and none is included here. A budget that only just clears the low end of a band is a budget with nothing left for any of them.
Is a garage floor coating worth it at all in this climate?: The argument for it is salt. A GTA car spends four months a year carrying road salt and brine onto the slab, and untreated concrete absorbs it, which is what causes the pitting and dusting you see on a fifteen-year-old garage floor. SurfacePro says a professionally prepared floor with a UV-stable top coat should last 15 to 20 years here. That is the trade being made: a few thousand dollars now against a slab surface that is expensive to repair once it has gone.

Sources

Read August 2026. Exactly one figure on this page is a typical rather than a range, and it is here because Armour Guard states it in its own sentence. Nothing else has a midpoint, because none of these firms published one.