Home | Marine Aids to Navigation | Daymarks and Structures Daymarks The daymarks are manufactured from stainless steel panels painted according to the C5-M standard and they can be adapted to existing structures. Its dimensions and proportions are customised according to the IALA Guideline 1023 application. There are options for using modular construction to facilitate transport and installation, as well as for the panel structure to be made of sheets to reduce wind load. Request moreinformation about Daymarks