The Specifier's Material Reference — 8 Industrial Epoxy Systems

A Working Reference for Architects, Engineers, and Facility Managers

Specifying the correct epoxy system requires more than selecting a product from a catalogue. It demands an understanding of substrate conditions, service loads, chemical exposure profiles, and the long-term performance expectations of the facility. This reference outlines eight industrial epoxy system categories in common specification use across Ghanaian institutional, industrial, and commercial facilities — alongside the conditions under which each performs at its designed specification.

1. Self-Levelling Epoxy

The most commonly specified system for smooth, continuous floor surfaces in warehouses, logistics halls, and light manufacturing facilities. Applied at 2–3 mm nominal thickness, self-levelling formulations fill minor substrate irregularities and cure to a hard, seamless surface. Appropriate where forklift traffic is moderate and hygiene demands are secondary to load-bearing performance.

2. Mortar Epoxy

A high-build system incorporating graded aggregate, typically specified at 4–9 mm to address severely damaged, pitted, or previously coated substrates. Mortar epoxy resists heavy mechanical impact and thermal cycling — making it the system of choice for production floors in food processing plants, pharmaceutical manufacturing facilities, and heavy-equipment workshops.

3. Broadcast Anti-Slip Epoxy

Where pedestrian safety governs the specification — entrance lobbies to industrial buildings, external ramp surfaces, or food preparation zones — broadcast systems introduce a textured profile through the application of aluminium oxide or quartz aggregate broadcast into a wet epoxy binder coat. The result is a slip-resistant surface that retains the durability characteristics of a standard epoxy system.

4. Chemical-Resistant Epoxy

Formulated with novolac or vinyl ester resin chemistry, chemical-resistant systems are specified wherever floors are subject to sustained contact with acids, alkalis, solvents, or process fluids. Relevant facilities include laboratory floors, battery rooms, chemical storage areas, and industrial wash-down zones. The specification must account for the specific chemical profile — not all chemical-resistant systems perform equivalently across every reagent family.

5. Electrostatic Dissipative (ESD) Epoxy

Electronics assembly, server rooms, medical device manufacturing, and defence facilities require floor systems that control static charge accumulation. ESD epoxy incorporates conductive carbon or copper grounding networks laid beneath the finish coat to maintain a controlled surface resistivity — typically within the 10⁶ to 10⁹ ohm range per IEC 61340 or ANSI/ESD S20.20. Specification must include a verified grounding layout and post-installation resistance testing protocol.

6. Waterproof Epoxy Membrane

Specified beneath tile finishes or as a standalone coating in roof decks, plant rooms, and wet-area service floors, waterproof epoxy membranes provide a flexible, bond-coat-compatible barrier against water ingress. Distinct from rigid floor coatings, membrane-grade systems accommodate minor structural movement without fracture — a critical property in concrete substrates subject to thermal expansion in coastal and equatorial climates.

7. Decorative Metallic Epoxy

Where institutional specification also encompasses interior design criteria — hotel lobbies, premium retail environments, executive office floors — metallic epoxy systems introduce pearlescent pigments suspended in a high-gloss clear-coat matrix. The finish is specification-grade in durability while delivering an aesthetic typically associated with architectural surfaces. Selection requires close coordination between the facility manager, interior architect, and the epoxy applicator.

8. Cementitious Urethane Epoxy (Hybrid Systems)

For facilities subject to extreme thermal shock — commercial kitchens, food processing plants, and brewing facilities — cementitious urethane hybrid systems outperform standard epoxy formulations. Their internal flexibility tolerates the dramatic temperature differentials caused by steam cleaning, hot-liquid spillage, and cold-room adjacency. The specification threshold for this system is generally any surface subject to temperature variation exceeding 50 °C within a single operating cycle.

Specification Guidance: Common Selection Errors

Several recurrent specification errors are worth noting:

• Underspecifying film thickness — Applying a 200-micron coating to a substrate requiring 3 mm build is a common source of premature failure.
• Ignoring moisture vapour transmission — Concrete substrates in Ghana’s humid coastal zones frequently exhibit moisture vapour emission rates that defeat adhesion unless a moisture-tolerant primer is incorporated.
• Omitting surface preparation requirements — No epoxy system performs to its rated specification on a substrate that has not been mechanically prepared to ICRI CSP 3–5.
• Conflating chemical resistance with universal resistance — A system rated for dilute acids may fail rapidly under sustained solvent exposure.

Engage a Specialist

For specification-grade guidance on system selection, surface preparation protocols, and project delivery, the specialists at Epoxy GH are available to advise at pre-design, tender, or construction stage. Contact the team at info@epoxygh.com or +233 27 000 0844.