Although Supalux® is a highly versatile fire protection board, it can't be used in steelwork protection applications. For our full range of structural steelwork protection boards/systems, visit our website and look at the published information on Promatect®-XW for up to 60 minutes protection, Promatect®-250 for up to 120 minutes protection, or Vermiculux®-S for up to 240 minutes protection.