
Polyurethane vs. Polysiloxane Topcoat: Which is Best for Marine Decks?
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)

