Floors built for forklifts, not showroom photos.

Why Toledo buildings are hard on floors

Old slabs, heavy traffic and six months of road salt

A lot of the commercial square footage in Lucas County was built decades ago, which means slabs poured without a vapor barrier, prior coatings that have already failed once, and concrete that has absorbed sixty years of whatever the building does. None of that is a reason to avoid coating a floor. It is a reason to test before quoting.

Then there is the winter. Every vehicle that comes through a Toledo dock door or service bay between November and March brings calcium chloride brine with it. Chloride is what drives rebar corrosion and slab spalling, and an uncoated floor absorbs it directly.

What we do not do

We do not do residential garages, and we do not quote a floor over the phone without seeing the slab. A commercial floor quoted sight-unseen is a guess, and guesses turn into change orders once the blaster exposes what is actually there.

How to compare two quotes that look nothing alike

It is entirely normal for commercial floor quotes on the same building to differ by half, and the reason is almost never margin. It is preparation and film thickness. A floor applied at eight mils over a lightly cleaned slab and a floor applied at forty mils over a shot blasted profile are different products with different lifespans, even when both quotes use the word epoxy.

Four questions make the comparison possible. What preparation method will be used and what concrete surface profile will it achieve. What system, from which manufacturer, at what total dry film thickness. Is moisture testing included, and what happens contractually if the readings come back above the manufacturer's limit. And what does the warranty actually cover, material only or labour as well.

A contractor who will put those four answers in writing has told you something useful. So has one who will not.

Signs a floor needs attention now

Some floor problems can wait for a convenient window and some cannot, and telling them apart is worth a few minutes.

Coating that is lifting, curling at the edges or coming away in sheets should be dealt with promptly. Beyond the trip hazard, every exposed edge is a place where traffic works underneath and spreads the damage outward. In food production, pharmaceutical or clean assembly environments, fragments breaking loose are a contamination problem as well as a maintenance one.

Blisters, particularly ones that contain liquid, indicate moisture moving up through the slab. That will not resolve on its own and it will get worse, and importantly it means the replacement floor needs a different specification rather than the same one again.

Concrete dust that keeps reappearing after cleaning means the slab surface is breaking down. In a warehouse that dust ends up in product and in filters; in a plant it ends up in machinery.

Spalling and crumbling at joints, dock aprons and door thresholds tends to accelerate once it starts, because each loss of material exposes more edge to impact. Caught early it is a straightforward repair; left for a season it becomes a concrete replacement.

Standing water that never quite drains, or a floor that has become slick in a wet area, is a safety issue with a straightforward technical fix and no good reason to defer.

By contrast, general dulling, light scratching and wear in traffic lanes on an otherwise sound floor are normal ageing. Those are signs to plan a topcoat refresh at a convenient time rather than reasons to act immediately.

Why commercial and residential are different trades

Residential garage floors and commercial floors get described with the same words and are not really the same work. A garage is a small, empty, single-purpose slab with no operational constraint attached to it: the vehicles come out, the floor goes down, the vehicles go back. Nothing about that resembles coating a live distribution centre around three shifts, or a kitchen between a Sunday close and a Wednesday open.

The specifications diverge as well. Commercial exposures are more severe and more varied, film thicknesses are higher, moisture testing is standard rather than optional, and the detailing at drains, coving, joints and equipment is most of the technical difficulty. Pricing and scheduling work differently too. Keeping the two apart means the contractors in this network do commercial work every week rather than occasionally.

What to have ready before the site visit

The assessment goes faster and produces a better number when a few things are known in advance. Roughly how many square feet, and whether that is one open space or a series of rooms. What gets spilled on the floor, how concentrated it is and how long it typically sits before anyone deals with it. How the floor is cleaned, and with what.

Then the operational side: what drives across it and how heavy that is, the highest temperature the surface reaches and whether that arrives gradually or as a shock, and realistically how many hours the area can be out of service. If there is an existing floor that has failed, photographs help enormously, and a released chip photographed from the back tells an experienced eye immediately whether the coating let go of the concrete or brought the concrete with it.

• Mechanical prep on every project
• Moisture testing before specification
• Manufacturer-specified film thickness
• Phased installation for live buildings
• Coved and detailed wet areas
• Striping installed under the topcoat