Technical Knowledge, Application Guidance & Engineering Experience
Fireproof coating thickness is not a single number for “60/90/120 minutes.” The required DFT depends mainly on fire rating time, the steel section factor (Hp/A), and the tested/certified
Epoxy and polyurethane are not “either-or” in most steel structure projects—engineers usually specify them together: epoxy for corrosion barrier and build, polyurethane for UV/weathering and appearance
For marine decks and offshore topsides, the “best” topcoat depends on what is killing your coating first: UV weathering, abrasion/traffic, chemical splash, or maintenance access. ISO 12944-5 notes that
![Intumescent fireproof coating system over anti-corrosion primer with topcoat]](https://huilicoating.com/wp-content/uploads/2026/01/intumescent-system-primer-topcoat-layers.webp-scaled.jpg)
On most structural steel projects, intumescent paint is not applied to bare steel — it is applied as part of a tested, approved coating system
For structural engineers and project managers, “fireproofing” isn’t just about buying a can of paint—it’s about meeting a specific legal Fire Resistance Rating (FRR) of
A steel structure coating system only performs as designed when surface preparation, application conditions, and inspection records are strictly controlled. For industrial anti-corrosion projects, a
Industrial anti-corrosion and protective coating manufacturer. Direct supply from factory — no agents. ISO 9001 certified. Exporting to 30+ countries.