Epoxy Flooring Cost Calculator: Garage Floor Coating, DIY vs Pro
Kit, 100%-solids, polyaspartic or metallic: DIY from $335, an installer from $1,200 for a two-car garage.
- Pick the system, not a size: every option is priced for a 2-car garage (about 400 sq ft), and the metallic option for 500 sq ft indoors. Scale by area for a 1- or 3-car.
- On the DIY tab the grinder rental is in every option except the kit. Don't untick it to make the number smaller — that's the floor that peels.
- On the Hire a pro tab, tick the moisture-mitigating primer if your slab sweats under plastic, and old-coating removal if there's paint or a failed epoxy on it now.
- Polyaspartic and metallic show big DIY savings and are still a contractor's job. The calculator prices materials; it can't price a 15-minute pot life.
Calculate cost
| Tools to buy or rent | $305 |
|---|---|
| Materials | $795 |
| Disposal | $10 |
| DIY cash cost | $1,110 |
| Your time (20 h × $25) | $500 |
| DIY all-in | $1,610 |
DIY saves about $1,590 after valuing your time ($2,090 in cash).
National estimates for planning. Doesn't include the risk-side costs described on the comparison page.
Typical results by job size
Defaults the calculator starts from: commonly owned tools excluded, typical pro price, no add-ons.
| Size | Verdict | DIY | Pro | Your hours | Typical savings | Break-even |
|---|---|---|---|---|---|---|
| Water-based epoxy kit with flakes | DIY | $335–$355 | $1,200–$2,000 | 8–12 hours | $1,255 (78%) | $126/hour |
| 100%-solids epoxy, flake and clear topcoat | DIY | $1,100–$1,120 | $2,400–$4,000 | 16–24 hours | $2,090 (65%) | $105/hour |
| Full-flake polyaspartic, one-day system | Hire | $1,210–$1,230 | $3,200–$4,800 | 12–18 hours | $2,780 (70%) | $185/hour |
| Metallic epoxy, 500 sq ft basement or showroom | Hire | $1,590–$1,610 | $5,000–$7,500 | 20–30 hours | $4,400 (73%) | $176/hour |
Break-even is what an hour of your time would have to be worth for DIY and hiring to cost the same. Above it, hiring is cheaper all-in. See how these are calculated.
Reading the result
The system you pick applies to both tabs.
Do it yourself totals the coatings for that system — a pair of water-based kits; 100%-solids base, flake and a clear topcoat; polyaspartic base and top with full flake; or primer, metallic base and clear — plus degreaser, crack filler and anti-slip grit, the diamond grinder rental with a cup wheel for the three ground systems, spiked shoes and spreading tools, a respirator, and your hours at the rate you set: 8–12 for a kit, 16–24 for 100%-solids, 12–18 for polyaspartic, 20–30 for metallic. There’s no permit and almost no disposal.
Hire a pro starts from a low, typical or high installed price for that system on a 2-car garage, then adds what a base quote often leaves out: removing an old coating, crack and spall repair, a moisture-mitigating primer, a full-flake broadcast, anti-slip additive, stem walls or a cove base, a polyaspartic topcoat in place of urethane, and moving the garage contents. Tick what applies and compare.
What neither tab includes: a floor that fails. Peeling from an etched slab, lifting from an untested one, or a bucket that set before it hit the floor is a grind-off and a redo — the same job at twice the price. The cost comparison explains which systems that risk is reasonable to take on, and the DIY guide covers the 100%-solids floor where it is.
Frequently asked questions
How do I scale the calculator for a 1-car or 3-car garage?
Multiply the materials by area: a 1-car garage (about 250 sq ft) is 0.6× the 2-car figures, a 3-car (about 650 sq ft) is 1.6×. Rentals and tools stay the same. Pro prices don't scale quite linearly — a 1-car sits near a $1,000–$1,500 minimum and a 3-car gets a 10–20% per-foot discount — so a 1-car pro quote is about 0.7× and a 3-car about 1.4× the 2-car figure.
Why does the box-kit option show the biggest percentage saving?
Because a water-based kit is cheap and quick, and a handyman charges real money to apply it. The saving is real; so is the lifespan — the kit's acid-etch prep and thin film are the combination that peels under hot tires in a few summers. The 100%-solids option saves more in dollars and buys a floor that lasts ten years longer, which is why it's the one the cost page recommends doing yourself.
What do the quote levels mean for epoxy flooring?
Low is a clean, uncoated slab in a dry climate, in a competitive market, at the minimum spec for that system. Typical is the national median with diamond grinding, a moisture test, a flake broadcast and a UV-stable topcoat. High is a slab with an old coating or heavy staining, a coastal metro, a one-day franchise's in-home price, or a full-flake premium system. Removal, repairs, moisture primer, full flake, anti-slip, stem walls and moving contents are add-ons on any level.
Sources
- Painters, Construction and Maintenance (SOC 47-2141), Occupational Employment and Wage Statistics , U.S. Bureau of Labor Statistics, 2026-04
- How Much Does Epoxy Flooring Cost? , HomeGuide, 2026-09
- How Much Does Garage Floor Coating Cost? , HomeGuide, 2026-09
- How Much Does Polyaspartic Floor Coating Cost? , HomeGuide, 2026-09
- How Much Does Epoxy Flooring Cost? , Angi, 2026-09
- How Much Does It Cost to Finish a Floor With Epoxy? , HomeAdvisor, 2026-09
- Guideline No. 310.2R: Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings and Polymer Overlays , International Concrete Repair Institute, 2026-09
- Epoxy kits, 100%-solids coatings, flake, grinders and tool pricing , The Home Depot, 2026-09
Figures last reviewed . See how we estimate.