(734) 821-3099Free Quote
Basement Floor Epoxy · Ann Arbor

Basement Floor Epoxy in Ann Arbor, MI

A coating sized to the actual vapor reading off the slab. Not a guess from a phone photo.

❦1-2 days installs · typical timeline
Free Quote

Free Basement Floor Epoxy quote.

We reply within 1 business hour. No spam, ever.

Ann Arbor basement with slate flake epoxy floor.
Calcium chloride disc taped to a bare basement slab.
Vapor mitigating primer curing on raw basement concrete.
What we install

Why most basement coatings fail in the first humid summer

The basements under Old West Side and Water Hill homes have been pushing moisture vapor up through their slabs for over a century. A cheap film of paint over that slab is not a coating. It is a sacrifice that lasts one summer. The slab itself is rarely the problem. The product on top of it is. Painting it again, or laying peel and stick vinyl on top, repeats the same mistake with a new label on the bucket.

A real install opens with a calcium chloride disc taped to the slab for two or three days. The disc gives a number: pounds of water vapor per thousand square feet per day. That number picks the primer. Light vapor: a standard primer that tolerates moisture. Heavy vapor, common in foundations a century old near the Huron River: a vapor mitigating epoxy that locks the moisture down. Over the primer lands a solids epoxy base. Most basements get a light pigment to brighten the room. Then either a fine flake for depth, or a smooth polyaspartic if the room reads more like a finished living space.

  • Primer is sized to the actual vapor off the slab, not picked from a catalog.
  • A light or warm base reflects ambient light back into the room.
  • Polyaspartic topcoat does not slip under furniture, exercise gear, or pet paws.
  • Walk on it that evening. Furniture goes back inside a day.
  • Crews bring exhaust fans and dehumidifiers, so the cure smell clears before they leave.
The slab is the patient. The coating is the prescription. Both have to match.

Most basement work across the Ann Arbor footprint wraps inside one working day. That covers Burns Park bungalows, Kerrytown duplexes, and the newer infill in Ann Arbor Hills. A second day enters the picture only when the slab needs serious crack repair before primer. The walk-through, with the moisture disc reading in hand, is the only honest way to quote a basement.

If a basement shows efflorescence (the chalky white salt residue), water staining at the wall, or a previous coating that already lifted, a local installer will run a free walk-through and explain what is going on below the floor.

Materials

A basement system is not a garage system in lighter pigment

Concrete in a basement and concrete in a garage live different lives. A basement slab sits below grade with wet soil pressing on the underside year-round. That slab is always trying to release vapor up through itself. A coating laid on top without primer is fighting that vapor in the wrong direction. The water pushes from below. The film cannot bond into the slab. Within months the coating either lifts in sheets or traps humidity against the concrete. That is how a basement starts to smell like a damp shower curtain after a fresh paint job. A thicker coating does not fix this. A different chemistry does.

The install opens with the moisture reading. A calcium chloride disc gets taped to the slab and left for sixty to seventy two hours. The disc is then weighed to see how much moisture it absorbed. That weight becomes a pounds per thousand square feet figure. The figure picks the primer. Below the threshold, a primer that tolerates moisture works. Above it, a vapor mitigating epoxy is the right call. Whichever primer goes down, the base coat is a solids epoxy in a bright neutral. Basements need light bouncing back up at the eye. The topcoat is then either a partial flake broadcast for texture, or a smooth polyaspartic if the room reads as living space.

  • Moisture disc number picks the primer. Not the installer's gut.
  • Bright neutral base coat brightens the room instead of darkening it.
  • Partial flake adds grip without the dense garage pattern.
  • Polyaspartic topcoat seals humidity out and stays clear under a window well.
Coved corner where flake floor meets a painted foundation wall.
Empty Ann Arbor basement with glossy charcoal flake epoxy.
What about the alternatives?

Other basement floor approaches and how they hold up here

Most basement floor finishes look fine in the showroom and start failing inside one humid year underground. The list below describes what each option actually does once the slab moisture pushes up through whatever was put on top.

Concrete paint or stain

The cheapest cosmetic pass. Lifts at walls and floor drains inside one wet season.

Skip

Peel and stick LVP or vinyl tile

Looks like real flooring at the start. The glue lets go under vapor pressure. Seams curl after one humid August.

Skip

Modular carpet tile

Warm underfoot. Holds moisture and grows mildew unless the slab below is already sealed and dry. Works only over a coating that already handles the vapor.

Acceptable

Engineered hardwood on sleepers

Reads as premium. Adds height. Hides the moisture story instead of fixing it. Fails dramatically once water finds the wood.

Skip

Vapor mitigating epoxy plus polyaspartic

The system above. Sized to the slab's actual vapor. Brightens the room. Runs 15 to 20 years when the primer matches the reading.

Recommended
How it goes

From quote to walk-on, fast.

01

Free walk-through

A 15-minute on-site visit. We measure the slab, check moisture, and write a fixed quote.

02

Prep the slab

Diamond grind to a CSP-3 profile. Cracks chased and filled. Moisture-mitigating primer.

03

Coat and broadcast

100% solids epoxy base, then a full vinyl flake broadcast to rejection while wet.

04

Polyaspartic topcoat

Final UV-stable topcoat. Walk on the same evening, drive on in 24 hours.

Before you book

Questions to ask before signing a basement quote

A basement fails for different reasons than a garage. So the questions worth asking are different. A reputable local installer answers each of these on the walk-through.

Does the quote include the actual vapor reading?
It should. The calcium chloride number, the RH probe reading, or ideally both. The matching primer is named in the quote. A quote that just promises a primer that tolerates moisture, with no number behind it, is a guess dressed up as a spec. Heavy vapor needs a chemistry that light vapor does not. The gap shows up two years after install.
How long is the cure smell going to last in the house?
The strongest smell comes off the base coat in the first four to six hours. Then it fades through the rest of the day. A real install runs an exhaust fan and a portable dehumidifier through cure, vented out a basement window. The rest of the house stays clear. By the next morning the basement smells like nothing. A crew without exhaust gear leaves the house smelling like a wet paint roller for a week.
What if there is standing water or a previous failed coating?
Standing water is a drainage or sump problem. Not a coating problem. A reputable installer diagnoses that first and points at the source. Sometimes that is a different contractor. An old failed coating gets ground fully off the slab. A fresh vapor reading is taken. The new system is sized to the current number. Putting a fresh film over an old failure repeats the failure on schedule.
How does the dust from grinding stay out of the rest of the house?
Diamond grinding creates fine concrete dust. A proper install runs the grinder with a vacuum shroud right at the head, vents into a HEPA extractor, and seals the basement door from the rest of the house with plastic sheeting and tape during the dusty steps. Without that containment, the dust rides the HVAC return and settles across every surface upstairs.
When can the furniture come back down?
Foot traffic by the same evening. Light furniture the next morning. Heavier pieces and area rugs at roughly 48 to 72 hours. Full chemical resistance (where a spill sits on the surface and does not react with the film) lands at about day seven. A Friday install usually means the basement is fully reloaded by Sunday night.
Aftercare

Keeping a finished basement bright across the years

A basement floor sealed under polyaspartic asks for less than the raw slab it covered. The topcoat resists staining. Spilled wine, pet accidents, and laundry detergent wipe off instead of soaking into the concrete. Two slow watch items matter over the years. The first is fine grit dragged in from outside on shoes. Basement grit is finer than garage grit and acts like sandpaper underfoot. The second is any new water finding the slab from a failing sump, a leaking hose bib, or a cracked foundation wall. The coating handles humidity by design. It does not, and cannot, handle an active leak.

  • Sweep or vacuum once a week. Fine grit acts like sandpaper if it sits.
  • Damp mop once a month with a pH neutral product. Skip ammonia at strength and concentrated bleach.
  • If a sump pump or dehumidifier was off for a season, run it a full week before inspecting the floor for new staining.
  • Walk the perimeter once a year at the season change. Look for fresh efflorescence near water lines, gas lines, and electrical penetrations. Slow seeps show there first.
  • Chair legs or weight bench feet that scrape through can be patched by the installer while the flake batch is still in stock at the supplier.
Ann Arbor basement with slate flake epoxy floor.
How a finished basement floor reads in the morning
FAQ

What Ann Arbor owners ask about basement coatings

How much does epoxy flooring cost per square foot in Ann Arbor?
The published averages deserve some skepticism, because slab condition drives the real number more than any chart admits. As a market range they still orient the budget: most Michigan solid-color installs land around $4 to $7 per square foot, toward the low end of the $3 to $8 national spread. Decorative flake systems run roughly $7 to $12, and metallic pours $8 to $15. Deep cracks, oil saturation, or a heavy moisture reading push the prep portion up inside those ranges. A reputable installer in the Ann Arbor area still writes one fixed number on paper after a free walk-through, not a range over the phone.
How long does an epoxy floor last?
A professionally installed epoxy floor runs 10 to 20 years, and the installs that reach 15 to 20 share two traits: the slab was diamond-ground before the primer, and the wear layer on top is a urethane or polyaspartic rather than more epoxy. The water-based kits from the home center sit at the other end. Those single soft layers often peel within one to three years, usually starting where the hot tires park. The chemistry is only part of that gap. The grind and the moisture primer are the rest.
Is epoxy flooring a good idea for a Michigan garage?
For a garage or basement in this climate, yes, and the reason is road salt. Michigan slabs eat brine for half the year, and unsealed concrete absorbs it until the surface starts to chalk and pit. A coated slab keeps the salt, oil, and meltwater sitting on top of the film where a rag handles them. The honest exception is a slab with an active structural problem: a moving crack, a failed sump, water arriving from below. Coating over any of those buries the problem instead of fixing it, and a walk-through should catch them first.
What is the difference between a DIY epoxy kit and a professional install?
The kit itself costs $90 to $300 retail, and a two-car garage typically lands at $300 to $700 all-in once tools and etch solution are counted. What the box cannot include is the diamond grind, the moisture reading, or a polyaspartic topcoat, and those three are where the lifespan lives. Big-box kits are a single water-based layer over an unground slab, and they often peel within one to three years, led by hot-tire pickup. The professional system costs several times more and runs four coats on a prepared slab. The two products share a word, not an outcome.
How long does epoxy floor installation take?
Most residential installs finish in one working day. The floor takes foot traffic four to six hours after the topcoat goes down, and cars roll back on at about 24 hours. Two-day schedules show up in specific cases: a metallic pour that needs its own cure window before the topcoat, or a basement slab that needs serious crack repair before the primer. Full chemical resistance, where a spill can sit without reacting with the film, lands around day seven.
Ready when you are

Ready for a real Ann Arbor floor?

Send a few photos or book a free 15-minute on-site walk-through. A fixed written quote within one business day.

Get a free quoteCall (734) 821-3099
CallFree Quote