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Call Now: (504) 305-8727
A floor coating is a liquid resin system applied over existing concrete that cures into a hard, sealed surface. The price covers three things and not just one: preparing the slab, the coating product itself, and the labor to install it in the right conditions. Prep is usually the largest of the three, which is why quotes for the same room can look nothing alike.
National cost guides put professionally installed epoxy at roughly $3 to $12 per square foot in 2026, with HomeGuide placing a typical two-car garage between $1,700 and $3,500 and a national average near $2,370. Angi’s 2026 figures land in a tighter $4 to $10 band. That spread is not sloppy reporting. It is the actual range, and where a specific floor falls inside it comes down to the condition of the concrete underneath.
Split the same numbers into parts and the picture gets clearer. Materials account for about $1 to $5 per square foot. Labor runs about $3 to $5. A slab that grinds clean in one pass sits near the bottom of that range, and a slab with old adhesive, patched cracks, or a moisture problem does not.
At Big Easy Flooring, we quote coating work across the New Orleans metro, and the gap between one bid and the next is worth understanding before you choose. Our team would rather explain the drivers up front than hand over a number with nothing behind it.
If you are weighing quotes on a garage, a shop floor, or an interior slab, contact us to get a walkthrough of what your concrete actually needs.
Coating is a category, not a product, and each system carries its own price band. Knowing which one a bid is quoting is the first step to comparing anything.
Standard epoxy is the entry point at roughly $3 to $7 per square foot installed for a straightforward residential floor. Add decorative flake or a metallic finish and HomeGuide’s 2026 data moves that to $8 to $15. Polyaspartic, a faster-curing resin that resists yellowing under sunlight, runs about $5 to $12 per square foot installed, or roughly $2,000 to $6,900 for a two-car garage.
Stain systems price differently because they color the concrete rather than cover it. Concrete Network’s 2026 guide puts a single-color acid stain with basic prep and a sealer at $2 to $6 per square foot. Broader estimates for stained work including labor sit at $3 to $15.
Move into polished finishes, multi-step color, sawcut patterns, or stencils and the same guides quote $8 to $20 and up. Homeowners drawn to stained concrete floors for a living area or a kitchen are usually pricing that middle tier rather than the entry one.
Two practical notes on reading these numbers. Small jobs almost never hit the low end, because mobilization, grinding equipment, and cure time cost about the same whether the floor is 200 square feet or 900. And a retail kit priced at a few hundred dollars is a different product from a professionally installed system, so it does not belong in the same comparison.
Assume both contractors measured the same floor. The difference is almost always in what each one plans to do before any resin gets poured.
Coating bonds to the profile of the concrete, not to its surface. Diamond grinding opens that profile and is the standard for a system meant to last. Acid etching is cheaper and faster, and it produces a weaker bond on a dense or previously sealed slab. A bid that skips grinding will be lower today.
Existing conditions push prep up quickly. Old tile mastic, carpet adhesive, a previous coating, oil staining in a garage bay, spalling near a door, or cracks that need routing and filling all add labor before the real work starts. Ask any contractor to write down what prep is included. The whole price gap often sits in that one line.
Concrete that carries too much moisture will push a coating off itself, sometimes months later. Industry practice sets the limits at roughly 75 to 80 percent internal relative humidity under ASTM F2170, or moisture vapor emission at or below 3 pounds per 1,000 square feet over 24 hours under ASTM F1869. A slab reading above those numbers needs a moisture mitigation coat before the finish system, and that is a genuine added cost rather than an upsell.
Plenty of older New Orleans slabs were poured with no vapor barrier underneath. Where that is the case, mitigation is not optional if you want the floor to hold.
A single-coat product over a thin primer behaves nothing like a build of primer, base, broadcast media, and two topcoats. Mil thickness, solids content, and coat count all move both the material bill and the labor days. When you compare epoxy flooring bids, count the coats listed in each one before you look at the totals.
Most of the metro sits on slab-on-grade construction over a high water table, and that is exactly the condition that makes coating projects here different from the same job in a drier climate. Ground moisture moves up through the slab continuously. A coating seals that path.
That is why moisture testing shows up on more local quotes than national averages would suggest. In-situ probes read relative humidity at 40 percent of the slab depth and need about 24 hours to equilibrate, so testing also adds a day to the schedule before anything is installed. Skipping it does not remove the risk. It moves the cost to the repair.
Ambient conditions matter too. Resin systems cure inside a defined temperature and humidity window, and a July afternoon here can sit outside it. Working in early morning, running dehumidification, or choosing a resin formulated for humid installation are all normal responses, and each one has a price. Polyaspartic often earns its higher rate for this reason, since a faster cure shortens the window during which conditions can go wrong.
Salt air and standing water after heavy rain add a maintenance dimension rather than an installation one. A properly sealed and coated slab handles both far better than bare concrete, which is part of why coatings hold their value in this market even at the higher end of the range.
Price per square foot is a fine starting point and a poor finishing point. Three checks turn a stack of bids into a real comparison.
A quote you can actually evaluate names the prep method, the crack and patch scope, whether moisture testing is included, the coating system by product line, the number of coats, the cure time before you can walk and drive on the floor, and what happens to the vehicles or furniture in the meantime.
If two bids differ by thousands and only one lists grinding and mitigation, you are not looking at two prices for the same job. You are looking at two different jobs.
Read what the warranty covers and what cancels it. Delamination caused by slab moisture is commonly excluded when no moisture test was performed, which means the cheaper bid that skipped testing may also carry the weaker guarantee. Length matters less than scope.
A coating that needs redoing every five years is not cheaper than one that holds for fifteen, even at half the installed price. Divide the quote by the realistic service life for that system in this climate and the ranking of your bids often flips. We specify our floor coating services this way on purpose, because a garage floor recoated twice costs more in total than one done properly once.
The honest answer to what a coating costs is that the slab decides. A clean, dry, well-poured floor lands near the low end of every range quoted above. A slab carrying moisture, old adhesive, or a decade of oil does not, and no bid that ignores those conditions will hold up.
Start with the concrete rather than the catalog. A walkthrough that includes a moisture reading and a close look at the existing surface will tell you more about your final number than any price chart, and it gives every contractor you talk to the same starting point to bid against.
When you are ready for a real figure on your own floor, our team at Big Easy Flooring will measure the space, test the slab, and put the prep scope in writing before quoting a system. Call us at (504) 305-8727 to set up a walkthrough.
National 2026 cost guides put a professionally installed epoxy floor in a standard two-car garage at roughly $1,700 to $3,500, with an average near $2,370. Where a specific garage falls in that band depends mostly on the slab.
A newer floor that grinds clean sits low. A floor with oil staining, cracks, or an old coating that has to come off first sits high, because removal and repair are labor before the coating even begins. Get the prep scope in writing so you know which version of the job you are being quoted.
Often it is in a climate like ours, though not always. Polyaspartic runs about $5 to $12 per square foot installed against roughly $3 to $7 for standard epoxy. What you buy for the difference is a faster cure, a shorter window for humidity to interfere with the install, and better resistance to yellowing where sunlight reaches the floor.
For an interior slab with no sun exposure and a flexible schedule, epoxy can be the better value. For a garage that opens to the outside, the case for polyaspartic is stronger.
Because concrete that carries too much moisture will push a coating off itself, and the failure usually shows up long after the crew has left. Testing establishes whether the slab reads within the accepted limits, around 75 to 80 percent internal relative humidity, or 3 pounds of vapor emission per 1,000 square feet over 24 hours, before anyone commits to a system. If the reading comes back high, a mitigation coat goes down first. Many older local slabs were poured without a vapor barrier, so this line item is common here and it protects the warranty.
Usually yes, with repair work first. Hairline cracks are routed and filled as part of normal prep. Wider cracks, cracks with vertical movement between the two sides, or spalling around a door need more attention and add cost.
What a coating cannot do is fix a structural problem. If a crack is still moving, sealing over it only hides it for a season. We look at crack width, edge condition, and whether the slab has settled before deciding what a floor needs.
Service life depends on the system and on how well the slab was prepared. A properly installed and mitigated coating on a residential floor commonly runs well over a decade, while a thin single-coat product over minimal prep can start lifting within a few years.
Traffic type matters as much as the product does. A garage with vehicle tires and hot-tire pickup demands more from a coating than a spare room ever will. Prep quality is the single strongest predictor of how long any of them last.
No, it usually costs more per square foot. Grinding equipment, mobilization, product minimums, and cure time are close to fixed regardless of room size, so those fixed costs spread across fewer feet on a small job. A 200 square foot utility room will rarely price at the same rate as a 900 square foot shop. That is worth knowing before you compare a quote on a small space against a national average built on a two-car garage.
A coating adds a layer on top of the concrete. A stain colors the concrete itself and is then sealed. The difference shows up in both price and performance.
Single-color acid stain with basic prep and a sealer runs about $2 to $6 per square foot, while a built coating system with multiple coats prices higher and offers more protection against chemicals and impact. Stains suit living areas where appearance leads. Coatings suit garages, shops, and commercial floors where the surface takes abuse.
It depends on the resin and on conditions during cure. Foot traffic typically returns well before vehicle traffic, and every system publishes its own window. Humidity and temperature both stretch it, which is why an install scheduled during a humid stretch may carry a longer wait than the same product applied in mild weather. Ask for the specific walk-on and drive-on times in writing as part of the quote, along with what should stay off the slab in the meantime.
By Big Easy Flooring 
Aug 17, 2026