- Inserted steel plate in synthetic rubber reduces wear and increases endurance.

- The simple structure makes work easy in cases of construction and repair.

- As expansion joints are inside concrete, passage is convenient.

- It is economical because a product can be replaced without breaking pavement in case of construction and repair.

- The exterior view is good because there is no protrusion on the upper part of concrete and it looks exactly like the expansion joint of the existing roadway.