US Patent 12116774 Edge protection system—joint orientation marker

An edge protection system including a first expandable armoured joint to protect a first joint extending in a first direction, a second expandable armoured joint to protect a second joint extending in a second direction and an intersection module at an intersection of the first expandable armoured joint and the second expandable armoured joint, wherein the intersection module has an indicator to enable a user to ensure correct orientation of the intersection module.