Wet Surface & Underwater Epoxy
Two-part epoxy coating for steel and concrete in marine and wet environments. Marine 590X applies to wet surfaces, underwater, and even in the rain — with zero downtime required.
Free Shipping On Orders Of $300.00 • Zero Odor • VOC CompliantWhy Marine-590X Is Different
Most coatings require dry surfaces, downtime, and perfect conditions. Marine-590X doesn’t. This two-part epoxy bonds to wet surfaces, underwater substrates, and even surfaces with tight rust — so you can coat piping, tanks, structural steel, and marine equipment without waiting for a dry window or shutting down operations.

The coating remains flexible after cure, making it ideal for surfaces that experience deflection, vibration, or thermal movement. Zero odor and completely nontoxic, so it can be applied in occupied, enclosed, and poorly ventilated spaces without disruption.
Surface compatibility: Bare steel, tight rust, concrete, masonry, and previously coated surfaces (tight, non-flaking coatings). Self-priming — no separate primer needed.
Common Applications
Note: Suitable for ship interiors including below the interior waterline. Not intended for exterior hull duty.
Application at a Glance
Mix Ratio
Part A + Part B, mix with drill-mounted Jiffy mixer
Application Method
Brush, roll, or spray
Working Time
20–30 minutes after mixing
Coverage Rate
230–250 sf/gal (recommended)
Finish
Medium gloss
Coats — Bare Surfaces
2 coats recommended for maximum protection
Coats — Previously Coated
1 coat usually sufficient
Surface Prep
Remove loose rust, paint, or dirt. Adheres to tight rust.
Packaging & Custom Colors
Available in 1-gallon sets and 4-gallon pails.
Custom colors including Off White, Traffic Yellow, and all other safety colors are available for orders of 30 gallons or more.
Technical Documents
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