Click Image to Enlarge

Actual colors may vary due to variations in screen resolutions.

Click Image to Enlarge

Finishes Flyer

GEM Nautilus™

GEM Nautilus™, our marine grade HDPE sheet ranging in thickness from .200″ to 1.5″.  Our sheet is a durable, consistent sheet that is easy to clean, impervious to water, and resistant to harsh weather environments.  Lightweight material is also available with our marine sheet, GEM Nautilus LT™.  All of our marine grade HDPE is lab tested for UV and weather exposure per ASTM guidelines.  


Decking, hatches, dock boxes, filet boards, cabinetry, steps, doors, rod & cup holders, trim, interior wall, seat underlay, tray tables, benches, frames, seats, grab rails, swimming pads, dock bumpers.


GEM Nautilus™ will not rot, discolor, delaminate, rust, and ultimately deteriorate.  It comes with the industry standard Marine finish.  It is also available with our industry exclusive GEM Tread™our anti-slip finish.

Why keep replacing your old weathered projects year after year. Make it a “One Time” job with GEM Nautilus™.

  • Weather Resistant
  • Easy Fabrication
  • Superior to Wood
  • FDA Approved for Food Contact
  • UV & Weather Testing Available