Marine Doors
Marine Doors

Marine Doors

Calzoni offers solutions for civil and military Marine Doors.







M-Doors shell


  • Feasibility study, 3D design, FEM/Dynamic analysis               
  • Classification societies approval
  • Manufacturing, assembly and testing
  • Onboard turn-key solution
  • Commissioning
  • Worldwide after sales support

Luxury Finished product line for megayachts over 60m

  • Shell Doors & Deck Hatches
  • Tender Cranes
  • Gangways & Boarding Ladders
  • Turn-key Helideck & Lights
  • Retractable Mast for Navigation Lights


  • 80m Average Ship LOA
  • 140m Maximum Ship LOA
  • References on request

M-Doors hangar

Calzoni developed hangar Doors for Naval Applications complying with tight military and shipping registers requirements, both electrically and hydraulically operated, wiht high level of safety and toughness.

Different types and sizes are available to best suite the vessel space availability and design, in any case providing exterely low RCS signature.

Main features

  • Green water resistance in accordance to shipping registers (LRS, RiNA, BV, etc.)
  • Fire resistance from A0 to A60
  • Blast resistance from external explosion
  • Stealth design with minimum gaps and flat sheets
  • Water tightness
  • Qualified design