I’ve spent twelve years in this industry. I’ve priced up cold-store turnarounds, walked food production sites that smell like warehouse floor resurfacing options lactic acid and despair, and stood in massive logistics warehouses where the floor is expected to take a million pallet movements a year. If there is one thing I’ve learned, it’s this: Industrial flooring is infrastructure, not décor.
When I walk onto a site, I don't care how pretty the resin looks under the showroom lights on handover day. I care about what the floor sees on a wet Monday morning in February when a forklift driver is rushing, a pallet is leaking something corrosive, and the concrete is sweating due to a humidity spike. If your flooring contractor isn't talking to you about that, you’re in trouble.
Too many clients get blinded by glossy brochures and vague terms like "heavy-duty." Let me tell you: "heavy-duty" is a marketing term, not a technical specification. If a contractor tells you their system is heavy-duty but can’t give you the thickness in microns, the compressive strength, and the chemical resistance data, walk away. Here is how you actually vet a contractor before you sign a contract that might cost you your operations budget.
1. The Four Pillars of Industrial Flooring
Before you even look at a colour chart, you need to define your requirements against these four non-negotiable pillars:
- Load: Static weight of heavy machinery vs. dynamic load of pallet trucks and forklift traffic. Wear: Is it foot traffic, rubber-tyred vehicles, or metal-wheeled cages? How much traffic per hour? Chemicals: You need actual chemical resistance data. Don’t just say "we spill oil." Is it engine oil, organic acids from food production, or heavy-duty caustic cleaning agents? Slip Resistance: Please, stop asking for slip resistance based on dry conditions. If your floor gets wet, greasy, or dusty, dry-slip data is useless. We look at PTV (Pendulum Test Values).
2. Surface Preparation: The "Surprise Variation" Trap
This is where I see the most "cowboy" behaviour. A contractor quotes you a price, they turn up, and suddenly they "discover" the concrete is weaker than they thought, or the laitance is too deep. Now, they’re hitting you with a massive variation for extra prep.
You need to insist that the prep method is documented in the quote. Are they using shot-blasting or grinding? Shot-blasting is the gold standard for opening up the concrete pores to ensure mechanical bond. Grinding is usually reserved for smaller areas or specific finishes. If they aren’t talking about the CSP (Concrete Surface Profile) they aim to achieve, they aren’t taking the infrastructure seriously.
The Moisture Test (Non-Negotiable)
If a contractor skips moisture test results before applying a resin system, they are setting you up for failure. Moisture vapour transmission will pop your epoxy coating like a blister in the sun. If they aren't performing an in-situ probe test or a surface hygrometer test, you are paying for a repair that will fail within six months.
3. System Comparison: Pros and Limitations
Not all resins are made equal. Below is a breakdown of common systems, keeping in mind that your floor needs to serve your business, not look like a magazine cover.
System Type Best Used For Limitations Epoxy Coatings (Roll-on) Light foot traffic, warehousing Poor impact resistance, prone to delamination under heavy impact. Polyurethane Screeds Food production, cold stores, thermal shock areas Expensive, requires expert application, limited colour range. MMA (Methyl Methacrylate) Rapid turnaround (cures in 2 hours) Very high odour during application, expensive. Cementitious Screeds Leveling uneven slabs Needs a topcoat if exposed to chemicals or high wear.Companies like evoresinflooring.co.uk often emphasise the need for the right substrate preparation, which is the exact kind of professional rigour you should expect. Likewise, if you're dealing with structural repairs or concrete refurbishment before the floor goes down, it’s worth speaking to established experts like kentplasterers.co.uk to ensure the foundation of the build is sound.
4. UK Compliance: BS 8204 and Beyond
If you aren’t talking about BS 8204 flatness standards, your forklifts are going to vibrate themselves to death. The floor tolerance determines the speed at which your warehouse equipment can safely operate. If your contractor doesn't know the difference between SR1, SR2, and SR3 finishes, tell them to go back to school.
Furthermore, ensure the contractor is familiar with the HSE guidance on slip resistance. If you’re in a food production environment, a PTV of 36+ is generally the baseline requirement to keep your insurance company and your site safety officer happy.
The Essential Questions to Ask Before You Sign
Don't be polite. Be specific. Here is your checklist:
"What is the compressive strength of the system you are proposing?" If they don't know, they're guessing. "Can I see the chemical resistance data sheet specific to the acids/oils we use?" "Are you using shot-blasting for the initial profile, or just light sanding?" (If they say sanding for a heavy-duty resin, run). "How will you be documenting the moisture test results?" "What is the BS 8204 flatness tolerance for this installation?" "Can you provide a PTV (Pendulum Test Value) report for this finish when wet?" "What happens if the floor fails under normal operation during the warranty period?" (Check for "wear and tear" loopholes).Final Thoughts: Don't Buy the Brochure
I’ve seen clients pay £50,000 for a floor that lasted two years because they wanted a "glossy" finish. I’ve seen others spend £20,000 on a heavy-duty Polyurethane screed that is still performing perfectly a decade later, despite being scratched and stained, because the infrastructure was solid.
Your floor is the most used piece of equipment in your building. Treat it like a piece of machinery. Demand the data, verify the prep, and never, ever accept "heavy-duty" as a specification. A good contractor—the kind who actually knows their onions—will appreciate you asking these questions because it shows you aren't an easy target for a budget-busting "variation" later on.
Stay technical, keep the site clean, and remember: if the floor doesn't work on a wet Monday morning, it doesn't work at all.