Flooring
Epoxy Floor Cost Calculator
Prices an epoxy floor, where surface preparation is most of the job and all of the risk.
Result
A planning estimate, not a quote. Access, the age of the equipment, what is found once it is opened up and local labour rates all move the real figure, sometimes a long way.
Get a Free Business AuditHow the calculation works
Hours times crew times rate, plus materials and the call-out. Epoxy is a coating, so the cost is dominated by preparation rather than by the product. The concrete has to be mechanically profiled, normally by grinding or shot blasting, so the epoxy can bond to it, and any cracks, spalls and contamination have to be dealt with first. Application itself is comparatively quick, and then there is cure time during which the floor cannot be used, which for a garage or a working space is a real cost to the customer.
What moves the number
- Preparation required, which is the largest labour item and varies with the concrete's condition.
- Slab moisture, since vapour coming up through concrete will lift a coating.
- Temperature and humidity during application and cure, which affect both working time and result.
- System build, as a single coat, a broadcast flake system and a full build all differ substantially.
Where this one goes wrong
Two things lift epoxy off concrete and both are avoidable. The first is inadequate mechanical profile: acid etching alone often does not produce enough surface for a reliable bond, and grinding or shot blasting is the reliable method. The second is moisture vapour transmission through the slab, which pushes the coating off from beneath, and it needs testing before quoting because a slab on grade without a vapour barrier can be unsuitable for a non-breathable coating without a moisture tolerant primer. Temperature also matters more than with most products: epoxy has a pot life that shortens as it warms, and applying it in a cold garage or in direct heat produces a poor result in different ways.
Before you quote
- Mechanically profile the concrete rather than relying on acid etch.
- Test slab moisture vapour before quoting, especially on grade.
- Work within the product's temperature and humidity window.
- Tell the customer the cure time before the floor can be used or driven on.
Where the rules come from
Questions
About this calculator
Why do epoxy garage floors peel?
Usually inadequate surface preparation or moisture coming up through the slab. Epoxy needs a mechanically profiled surface, from grinding or shot blasting, to bond reliably, and acid etching alone often does not achieve it. Vapour rising through concrete pushes the coating off from underneath regardless of how well it was applied.
Does the concrete need testing first?
For moisture, yes, particularly a slab on grade with no vapour barrier beneath it. Standard test methods exist, and the result determines whether a moisture tolerant primer is needed or whether a non-breathable coating is suitable at all. It is the test most often skipped and the most common cause of failure.
How long before I can use the floor?
There is a cure period after application, longer before vehicle traffic than before foot traffic, and it lengthens in cold conditions. That downtime is a real cost for a garage or a working space, so it belongs in the conversation up front rather than as a surprise at the end.
Does temperature matter when applying epoxy?
A great deal. Epoxy has a working time that shortens as temperature rises and cures poorly or not at all when too cold, and humidity affects some systems. An unheated garage in winter is outside the window for many products, which is why epoxy work is seasonal in cold climates.
The formula
total = hours x people x rate + parts + call-out, then sales tax
Put this calculator on your site
Free to embed. Paste this where you want it to appear. It stays up to date automatically because it loads from BDEVY.
Please keep the attribution line. It is the only thing we ask in return.
How to use this calculator
- Hours on site (h). Enter your own figure; the page starts at 18 h.
- People needed. Enter your own figure; the page starts at 1.
- Labour rate charged ($). Enter your own figure; the page starts at $74.
- Parts and materials ($). Enter your own figure; the page starts at $2,100.
- Call-out or diagnostic fee ($). Enter your own figure; the page starts at $95.
- Sales tax (%). Leave at zero if you are quoting before tax.
The result updates as you type, so you can try a figure, see what it does to estimated total, and change it back. Nothing you enter is sent anywhere or saved.
A worked example
These are the figures the calculator opens with. Every number in the results column below is produced by the same calculation the page runs, so you can follow it through before putting your own figures in.
What goes in
| Input | Value |
|---|---|
| Hours on site | 18 h |
| People needed | 1 |
| Labour rate charged | $74 |
| Parts and materials | $2,100 |
| Call-out or diagnostic fee | $95 |
| Sales tax | 0% |
What comes out
| Result | Value |
|---|---|
| Estimated total main result | $3,527 |
| Labour | $1,332 |
| Before tax | $3,527 |
| Sales tax | $0 |
About $3,527: $1,332 of labour, $2,100 of parts and a $95 call-out.
How sensitive the answer is
Holding everything else steady and changing only labour rate charged, this is what happens to estimated total. It is worth knowing which of your inputs the answer actually hinges on, and which barely move it.
| Labour rate charged ($) | Estimated total |
|---|---|
| $37 | $2,861 |
| $56 | $3,203 |
| $74 example above | $3,527 |
| $111 | $4,193 |
| $148 | $4,859 |
Every other input is held at the example value while this one changes, which is not how a real job behaves. Treat it as a guide to which number matters most, not as five separate quotes.
What each figure means
- Hours on site (h)
- Measured in h, between 0 and 400, starting at 18 h.
- People needed
- A number, between 0 and 40, starting at 1.
- Labour rate charged ($)
- A money amount, starting at $74.
- Parts and materials ($)
- A money amount, starting at $2,100.
- Call-out or diagnostic fee ($)
- A money amount, starting at $95.
- Sales tax (%)
- Leave at zero if you are quoting before tax.
What the results tell you
| Result | What it is |
|---|---|
| Estimated total | The headline result. A money figure. |
| Labour | A money figure. |
| Before tax | A money figure. |
| Sales tax | A money figure. |
Estimating is the easy part
The jobs you never hear about cost more than the ones you mis-measure. BDEVY builds the marketing, systems and automation that bring them in.