Double-Broadcast Quartz Epoxy.
Colored quartz aggregate locked in resin, built thick enough to walk wet and clean hard. The floor we put in Miami-Dade County public restrooms.
- Service
- Quartz Epoxy Flooring
- Build
- 1/8 to 3/16 inch, double broadcast
- Coverage
- ~100 mi · Miami → West Palm
- Walk-on
- 24 hours after final coat
- Cove base
- Integral, 4 to 6 inches standard
- Quote
- (786) 488-5057
Miami-Dade County public restrooms, Key Biscayne
Two restroom buildings finished, seven more scheduled.
Public restrooms on a barrier island are about as hard as commercial flooring gets. The buildings take heavy public traffic all day, they get hosed and scrubbed on a schedule rather than mopped, and everything on Key Biscayne lives in salt air. Any floor that holds moisture at a wall joint or a threshold is going to show it inside a couple of seasons.
The floor we installed is a dark blue-gray quartz broadcast, finished to a uniform matte-satin texture that gives grip underfoot when the floor is wet without being so coarse that a scrubber cannot get it clean. Coved integral base runs up the walls so the wash-down water has nothing to get behind, and there is no seam where the floor meets the wall.
Sanitary by construction
A quartz system is monolithic. No grout lines, no tile joints, no seams across the field of the floor. Bacteria and biofilm live in joints, so removing the joints removes the habitat. That is the real reason these floors show up in food and healthcare work.
Integral cove base extends the same monolithic surface up the wall, so the floor-to-wall junction stops being a crack and becomes a radius a squeegee can clear. Around drains the system terminates below the drain lip so water leaves instead of sitting in a ring at the edge.
The topcoat carries the chemical and stain resistance. For most restroom and locker room work that is a chemical-grade urethane, which handles routine disinfectants, bleach dilutions and quat cleaners while resisting the UV that gets in through glass block or a skylight. Where the cleaning program runs harsher we go to a more resistant topcoat, and where the exposure is genuinely aggressive the conversation moves to novolac instead.
Coverage across Miami Beach.
We install quartz Epoxy across Miami Beach and the surrounding trade area, phased around your operating hours rather than ours.
Three things a broadcast floor does that a coating cannot
Thickness, texture and repairability are the reasons a facility manager pays for quartz over a rolled-on system. Each one shows up years after the install, not on handoff day.
Thickness that wears down instead of off
An eighth to three sixteenths of an inch of finished system, mostly hard mineral by volume. A rolled-on coating asks the resin to take every cart wheel and every scrubber pass.
Texture set to your cleaning method
The grout coat count decides how much grain stays exposed, and we set it from how the room actually gets cleaned. Hand-mopped rooms get a tighter fill, auto-scrubbed and hosed rooms carry more profile. Wet traction that housekeeping can still maintain.
A blend that can be hit again years later
The aggregate blend, broadcast rate and grout coat count are what a floor is made of, and they get carried forward from room to room rather than reinvented on each mobilization.
Color and how it holds
Standard is a multi-color blend, usually three or four aggregate colors mixed to a specified ratio. The blend does real work: a speckled floor hides the traffic path, the mop swirl and the odd stain in a way a solid color never will. The Key Biscayne restrooms went in a dark blue-gray blend for that reason, in rooms that take heavy public traffic.
The color lives in the aggregate, not in a pigmented resin, and that aggregate is ceramic-coated and kiln-fired. It does not fade under UV and it does not wear out of the floor, because the color is the floor. A pigmented coating loses color as it abrades. A quartz floor abrades into more of the same quartz.
We will match a custom blend to a specification or a sample.
When we tell you to buy a different floor
Quartz is not the right answer everywhere and we would rather say so at the walkthrough than at year three.
If the room takes heavy thermal shock, a cook line under a kettle or a wash-down with genuinely hot water, urethane cement is the better floor. If the room stays dry and the priority is a hard-wearing surface with a polished look, polished concrete costs less and looks better doing it. If the exposure is chemical rather than water and traffic, novolac is built for it and quartz is not.
Quartz earns its cost in wet, high-traffic, hard-cleaned rooms where somebody is going to slip if the floor gets it wrong. Restrooms, locker rooms, kitchens and processing areas. Ask us about any of those and the answer is usually yes.
Four rooms that punish the wrong floor
These are the spaces where a floor gets walked on wet, cleaned hard and looked at by everybody. Each one asks something slightly different of the same system.
Public and institutional restrooms
A restroom is the room a building gets judged on, and it is also the one the public treats worst. Fixtures move over the years, partitions get reconfigured, and the cleaning is done fast by somebody working a whole building.
Locker and shower rooms
Bare feet change the calculation. There is no shoe tread doing half the work, and the water is warm and soapy, which is the worst combination for traction there is. These rooms also stay wet between uses in a way a restroom does not, so drainage matters as much as texture.
Commercial kitchens and food service
Back of house is a grease problem more than a water problem. Aerosolized fat settles well past the cook line, lands on the floor, and turns any texture slick until it is scrubbed out.
Wet processing and wash-down areas
Anywhere a hose is part of the daily routine, the floor is being pressure-tested every shift. Water finds the wall joint, the drain surround and the doorway, in that order.
Why these rooms are harder here
A wet room in South Florida never really gets to dry out. Ambient humidity sits high enough for most of the year that a floor hosed at closing is still damp when the building opens, and anything holding water in a low spot or a wall joint stays wet around the clock. That is how biofilm gets a foothold, and it is why a slick spot in a Miami-Dade restroom or locker room tends to be organic rather than soapy.
The cleaning programs down here are heavier for the same reason, and that is what actually breaks floors. Rooms get hosed and squeegeed rather than mopped, disinfectant runs on a schedule, and in coastal buildings salt gets tracked in and ground underfoot all day. A thin coating loses to that combination within a few seasons.
- County
- Miami-Dade
- Best for
- Restrooms, locker rooms, kitchens, processing
- Key factor
- Wet traffic plus a heavy cleaning program
- Typical job
- Sectioned so half the fixtures stay open
How a quartz install runs
Walkthrough and moisture test
On-site the same week. Meter on the slab, photos, and a straight conversation about the shutdown window, because facility work lives or dies on that window.
Mechanical prep
Diamond grind to a CSP 3 or 4 profile, more tooth than a thin coating needs.
Body coat and first broadcast
Resin down, quartz broadcast in to refusal, then cured and cut back so the surface is flat and every loose grain is gone before the next lift.
Second broadcast, grout, topcoat
The full sequence again for thickness and color depth, then grout coats to the agreed texture and a chemical resistant topcoat. Walk-on at 24 hours, rolling loads at 48.
Other Suncrete coating systems.
The right system depends on the slab and the room. We will not force-fit one when another lasts longer in that space.
What facility managers ask us first.
How thick is a double-broadcast quartz floor?
An eighth to three sixteenths of an inch of finished system, and you can feel it underfoot. That thickness comes from two full broadcast cycles rather than one, which is the difference between a quartz floor and a quartz-flecked coating. Most of that volume is hard aggregate, so wear happens to the quartz rather than to the resin holding it.
Is it slippery when wet?
Not when the texture is matched to how the room gets cleaned. The exposed aggregate gives real wet traction, and we set the grout coat count to leave the right amount of grain showing. Too coarse and housekeeping cannot clean it, too smooth and it gets slick, so we ask about the cleaning method before we pick.
Can a damaged area be repaired?
Yes, and it is the strongest argument for the system. A section gets cut out, reprepped and rebuilt with the same aggregate blend, and the grout coats blend the patch into the field. Tile and sheet goods cannot do that. Matching the patch comes down to knowing the blend and the broadcast rate that went in originally, which is why we ask about them before touching somebody else’s floor.
Is it approved for commercial kitchens?
For prep rooms, dish areas, storage and back of house, yes, with a sanitary integral cove base and a chemical resistant topcoat. For the cook line itself we usually recommend urethane cement instead, because thermal shock from a boil-over is a different failure mode. We sort that out room by room at the walkthrough.
How much disruption should we plan for?
Most rooms run a Friday-to-Monday turnaround, and on multi-room facilities we section the work so part of the space stays open. Walk-on traffic returns at 24 hours after the final coat and rolling loads at 48. We bring dust extraction and our own power so the rest of the building keeps operating.
Got a slab? Let’s pour it right.
Photo plus square footage plus what happens in the room equals a real quote in 24 hours. Quartz Epoxy across Miami Beach and the surrounding area, on your hours.
See the work first
Finished commercial floors from across South Florida. Have a look, then tell us about your room.