Commercial
Floor Coatings
That Open Monday
Seamless commercial floor coatings for buildings that cannot close — epoxy flooring installed overnight, over a weekend, or across a school break
A commercial floor coating has two jobs your inspector and your insurer both care about: no seams for grease and bacteria to hide in, and enough texture underfoot where the floor gets wet. It has a third job you care about — being finished before you reopen. All three are written down before anyone opens a pail.
A commercial floor coating fails in ways a warehouse floor never does
Plant floors fail under forklifts. Commercial floor coatings fail under mop water, fryer oil, disinfectant, and a cleaning crew that has forty minutes to do the whole building. Different failure modes, different specification, and a contractor who only quotes one system will not tell you the difference.
Seams and edges give out first. Everything that fails on a commercial floor coating starts at a joint: the grout line, the tile-to-drain transition, the place where the floor meets the wall behind a prep table. Grease and water get under the finish, the substrate stays damp, and no amount of scrubbing on top fixes what is happening underneath. A seamless epoxy floor with an integral cove base removes those edges entirely — that is the entire point of a resin floor in a kitchen, not the shine.
Thermal shock kills the wrong system in a week. A cook line takes 350 °F fryer oil and then a hot-water washdown against a 60 °F slab. Standard epoxy expands at roughly three times the rate of concrete, so the bond line absorbs the whole strain and eventually lets go. Urethane cement moves with the slab instead. Any bid that puts the same epoxy in the dining room and at the dish pit was written by somebody who sells one product.
Texture is chosen once and lived with for a decade. Too little grit at a dish pit is a slip claim; too much in a dining room is a floor that traps grease and cannot be mopped clean. Slip resistance is measurable — ANSI A326.3 sets a wet DCOF minimum of 0.42 for level interior floors walked on when wet, and raises it to 0.55 for areas routinely exposed to oil and grease. Very few commercial floor coating bids mention a number at all.
And most of it is priced before anyone tests the slab. Moisture moving up through an old slab will lift any commercial floor coating off it, and that is measurable in advance with an ASTM F2170 relative humidity probe. We test first and quote second, which is why our cost per square foot comes with the slab conditions it assumes written next to it.
Reference Commercial Floor Coating Build
Flake or quartz- Surface prep
- Diamond grind to CSP 2–3; old tile, thinset and adhesive removed
- Moisture
- ASTM F2170 RH probe; mitigation primer above 80% RH
- Cove base
- Integral, 4 in up the wall, radiused, coated as one piece with the floor
- Primer
- 100% solids epoxy, 6–8 mil
- Body coat
- Epoxy with flake or quartz broadcast to refusal
- Topcoat
- Two coats urethane or polyaspartic, chemical and UV stable
- Total build
- 30–40 mil flake · 1/8 in double-broadcast quartz
- Slip resistance
- Texture tuned per zone, wet DCOF stated in the scope
- Drains
- Floor pitched and terminated into the drain, not butted to it
- Reopen
- Foot 4–8 hr · Full service 24–72 hr by system
Which commercial floor coating belongs in which room
Almost every building we quote needs two or three different commercial floor coatings, not one. This is the short version of how we split a building up. Cost bands are installed, including prep, on a sound slab.
| Space | System | Texture | Closure | Installed cost |
|---|---|---|---|---|
| Cook line & dish pit | Urethane cement mortar, integral cove, drain terminations | Aggressive — grease and water present | 2–3 days | $9–$14 |
| Kitchen prep & dry storage | Double-broadcast quartz epoxy or urethane cement | Moderate | 2–3 days | $7–$12 |
| Restrooms & locker rooms | Quartz epoxy with cove base to the wall | Moderate — wet feet, bare feet | 2 days | $7–$11 |
| Dining room & retail sales floor | Full-broadcast flake or solid-color epoxy, fast-cure topcoat | Light — must stay moppable | Overnight–2 days | $5.50–$8 |
| Lobby, office & showroom | Metallic or solid-color epoxy, high gloss | Minimal, entry matting assumed | 2–3 days | $6–$12 |
| Classroom & corridor | Flake epoxy, low-odor build for occupied wings | Light | Weekend or break week | $5–$8 |
| Exam room, kennel run & grooming | Quartz or flake epoxy, coved, chemical-resistant topcoat | Moderate — slip rating for wet paws | 2–3 days | $7–$12 |
| Fire station apparatus bay | High-build flake epoxy with a hot-tire-stable topcoat | Moderate, striped and lined | Weekend | $6–$9 |
Bands assume a sound, dry slab. Moisture mitigation, tile and adhesive removal, drain re-detailing and after-hours work are priced separately — all four are broken out in the 2026 commercial epoxy flooring cost guide.
Commercial floor coating, system by system
Commercial Epoxy Flooring
Solid · Flake · Metallic · Commercial grade epoxy flooringThe commercial floor coating systems overview: what solid color, full-broadcast flake, quartz and metallic each do well, where metallic is a bad idea, and why the topcoat — not the epoxy — decides how the floor looks in year five.
Quartz Epoxy Flooring
Restrooms · Locker rooms · Kitchens · CorridorsDouble-broadcast quartz at 1/8 inch: the commercial workhorse. Colored aggregate instead of flake, so it hides wear rather than showing it, and texture you can dial in by grade rather than guess at.
What It Costs
2026 cost per square foot · By system, by spaceReal numbers by system and by space type, what moves them, how materials and labor split, the adders nobody mentions until the change order, and how a commercial floor coating compares against VCT, quarry tile and polished concrete over fifteen years.
Installation Around Your Hours
Commercial floor coating installation · PhasedHow an occupied-building install actually runs: containment, dust, odor, phasing a kitchen against a dining room, what has to be moved out, and the reopen milestones we will put in the contract.
The commercial floor coating quote is not the number that hurts
A 2,400 square foot kitchen floor is a five-figure job. Five days shut is often a bigger number than the floor. Which is why the first question we ask is not what your floor looks like, it is what your week looks like.
Fast-cure topcoats make a single-night turnaround real in the right spaces. A dining room or sales floor prepped after close can take foot traffic by morning. A cook line cannot — urethane cement wants two to three days and there is no honest way around it — so we phase it: half the kitchen on one weekend, half on the next, with a temporary line and a hard edge between them.
Schools get the summer or a break week. Clinics get the weekend between Friday close and Monday open. Retail gets the overnight window between the last customer and the first delivery. None of that is unusual work; it just has to be planned before the crew shows up, not discovered on day two.
- Overnight and weekend crews at a stated premium, quoted up front
- Phased zones with temporary barriers and a walkable route through
- Low-odor, low-VOC systems where the building stays occupied next door
- HEPA-shrouded grinders so the dust stays in the room it is made in
- Reopen milestones written into the scope, not promised on the phone
Slip resistance on a commercial floor coating is a number. Ask a bidder for theirs.
Every commercial floor coating bid says “slip resistant.” Almost none of them say how slip resistant, and the phrase on its own is worth nothing to your insurer after a fall.
The measurable version is dynamic coefficient of friction under ANSI A326.3. For level interior floors expected to be walked on when wet, the standard sets a minimum wet DCOF of 0.42. For interior areas routinely exposed to oils and grease — which is exactly what a cook line is — it goes to 0.55. The standard is careful to say a number does not predict whether someone will slip, and that honesty cuts both ways: it is still the only objective thing you can hold a bidder to.
Getting there is a broadcast decision. Aluminum oxide, quartz grade, or a textured topcoat, sized per zone. The mistake everyone makes is asking for the whole building at the same aggressive texture, then discovering that the dining room cannot be mopped clean and the grit is holding grease in place. Texture belongs where the water is.
- Zone-by-zone texture: entry, kitchen, dish pit, restroom, dining, sales floor
- Wet DCOF target stated in the scope for each zone
- Entry matting length designed in, because most water is tracked in
- Texture that survives cleaning — grit that scrubs off is not slip resistance
- Contrasting color at level changes, steps and ramps
Seamless epoxy flooring, written for your building type
The chemistry is the same everywhere. The requirements are not — a health inspector, a school district specification, an infection-control nurse and a dealership principal are all asking a different question about the same floor. These pages answer the one you are actually being asked.
Restaurants & Commercial Kitchens
Thermal shock at the fryer, grease at the line, cove base and drains for the inspector, and how to phase it without closing.
IndustrySchools & Public Buildings
Break-week windows, low-odor systems in occupied wings, cafeterias and locker rooms, and fire station apparatus bays.
IndustryVeterinary & Kennel
Urine in porous concrete, daily disinfectant, constant hosing, claws, and a surface animals can stand up on.
IndustryHealthcare & Clinics
What an antimicrobial additive is legally allowed to claim, ICRA containment during installs, and where resin beats sheet vinyl.
IndustryRetail & Showrooms
Hot tire pickup on a dealership floor, cart and pallet-jack traffic in grocery, and gloss that survives being looked at.
BuyingHow to Hire a Contractor
The line items a real commercial floor coating bid contains, the four questions that separate bidders, and the red flags worth walking away from.
Six things we do that a cheaper commercial floor coating bid leaves out
None of these are exotic. They are the line items that get quietly deleted to win a job on price, and they are the reason the floor you are replacing did not last.
We test the slab before pricing anything
Relative humidity probes per ASTM F2170, a bond pull test, and a look at what is under the tile. Moisture is the single most common reason a commercial floor coating lifts, and it is measurable a day before anyone quotes.
Cove base is detailed, not sprayed on
An integral cove is built as a radius at the wall and coated continuously with the floor, so there is no joint at the one place a mop never reaches. Applied cove strips and silicone beads are not the same thing and inspectors know it.
Drains and thresholds get their own scope line
The floor is terminated into the drain body, not butted against it, and freezer and cooler thresholds get a detail that survives a cart being wheeled over it. That edge is where most kitchen floors start failing.
Texture is specified per zone with a number
Wet DCOF targets per ANSI A326.3, chosen room by room, written into the scope. Not “slip resistant” on a line item, which is a word, not a specification.
We carry more than one chemistry
Epoxy, quartz broadcast, urethane cement and fast-cure topcoats — four commercial floor coating chemistries, not one. A contractor who only installs epoxy will recommend epoxy for your cook line, because it is that or lose the job.
Backed by a real company and a real manufacturer
Commercial Floor Coatings is a service of Crimbo Coatings — licensed, insured, Google Guaranteed, a Sherwin-Williams certified installer with a manufacturer-backed warranty on approved systems, and Best of Bonner County 2026.
Commercial floor coating, answered
Most commercial floor coating work lands between $5 and $9 per square foot installed. A thin-film build on a sound slab in a low-traffic office or storage room runs $3.50 to $5. Full-broadcast flake runs $5.50 to $8. Double-broadcast quartz runs $7 to $11, and urethane cement for a cook line or dish pit runs $9 to $14. Slab condition moves the number more than product selection does — old tile and adhesive removal, moisture mitigation and drain re-detailing are all priced separately and all of them are common.
It depends on the system, not on the crew size. A fast-cure build in a dining room or sales floor can go down after close and take foot traffic in the morning. A conventional epoxy build wants three to five days on site with full service at 72 hours. Urethane cement in a kitchen wants two to three days. The usual answer for a restaurant is a phased weekend: kitchen one weekend, front of house the next, with a hard barrier and a route through. We put the reopen milestones in the contract.
No. The FDA Food Code, which most state and local codes are built from, requires floor surfaces in food establishments to be smooth, durable and easily cleanable, and nonabsorbent in areas subject to moisture such as prep areas, warewashing and walk-in refrigeration. It also requires floor and wall junctures to be coved and sealed where water flush cleaning is used. It never names a product. Quarry tile, sheet vinyl and resin can all comply. A seamless coating with an integral cove is simply the easiest way to pass and to keep passing, because it has no grout lines to fail. Your local jurisdiction may add requirements — a 4 inch cove height is a common one — so check the code you are actually inspected against.
Usually the tile has to come out. Quarry tile can sometimes be scarified and used as a substrate if it is well bonded and the finished height works with your drains and thresholds, but VCT and its adhesive almost always come up, because a commercial floor coating is only ever as well bonded as the layer underneath it. Removal and adhesive grinding typically adds $1 to $3 per square foot, and it is the line item most likely to be missing from a cheap bid. Ask where it is.
Something always does, but it is manageable and it is a specification choice. 100% solids epoxy has very low VOC content and a mild amine odor while it cures. Some fast-cure topcoats are solvent-borne and noticeably stronger. Where a building stays occupied next door — a school wing, a clinic, a tenant above — we specify low-odor products, run negative-pressure containment and schedule the smelly steps for the end of the day. If a bidder says there will be no smell at all, they have not done an occupied building.
Ten to fifteen years for a correctly specified flake build in a dining room or corridor, fifteen to twenty for double-broadcast quartz or urethane cement in a kitchen, and considerably less for anything installed over an untested slab or under-built to win a bid. The wear happens in the topcoat, not the body coat, which is the useful part: a floor that is scratched and dull but sound can be screened and recoated for a fraction of a replacement, usually over a single weekend.
Another twenty answers — cure times, cleaning chemicals, warranties, moisture testing and coating over an existing floor — on the full commercial floor coating FAQ.
Get your free written spec
Every commercial floor coating project starts with a free, written spec — no sales pressure, no vague per-square-foot ballpark. Tell us the square footage, what happens on that floor, and the hours you can give us, and you get back systems by zone, mil thickness, texture targets, a reopen schedule, and a real number. We respond within one business day.
(208) 530-7072 info@crimbocoatings.com