Fire and blast resistant

g21 panels

Our revolutionary G21 Panels

InterDam has a wide range of wall systems available. The latest innovation is the G21 Panel.
This sandwich panel is tested and approved from A0 to H120 fire rating in compliance with IMO/SOLAS regulations. The panels can also be upgraded to withstand blast overpressures up to 1.0 bar.

This type of panel is extremely easy to install compared to traditional welded wall systems. Our G21 Fire Panel is a revolutionary sandwiching fire wall that brings significant advantages over traditional wall systems:

  • Increased cost-efficiency
  • Quick installation (no hot-work required)
  • Minimum weight
  • Easy post-installation of penetrations
  • Equipment of 30 kg may be attached to the panels

G21 Panels have been extensively tested to guarantee the safety of employees, platforms and the environment, onshore and offshore. The system is specially designed for oil & gas platforms, offshore wind substations or prefabricated modules such as E-houses.

Even with penetrations such as cable transits or piping, the panels remain fully fire resistant. The panels are available for internal and external applications with a lifetime expectancy of over 30 years. 

Want to know more about our G21 Panels?

Download all the information you need.


InterDam B.V.
Benedenrijweg 186
2987 VB Ridderkerk
The Netherlands
T: +31 (0) 180 470030

North America

InterDam Americas Inc.
19998 Hickory Twig Way
Spring, TX 77388
United States
T: +1 281-882-8302

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