Security barrier with covering and method of installation thereof

A security barrier apparatus comprising:

• a plurality of security barriers, wherein each security barrier of the plurality of security barriers includes a support having at least one upright barrier member thereon, the support for positioning substantially at ground level, the support having a portion that is substantially planar and having a leading edge, the at least one barrier member being at the leading edge or adjacent to the leading edge, the portion for receiving a covering thereon for adding mass to a respective security barrier of the plurality of security barriers and for biasing the respective security barrier towards the ground level, the barrier member for inhibiting a passage of a vehicle in the event of an impact force therefrom being exerted on the at least one barrier member,
• wherein two adjacent security barriers of the plurality of security barriers are joined to each other with a joining member to connect two adjacent barrier members of the two adjacent security barriers, the joining member for inhibiting the passage of the vehicle in the event of the impact force therefrom,
• wherein the joining member has a connection device at each end thereof for securing each end of the joining member to the two adjacent barrier members, wherein at least one of the connection devices comprises an expansion joint for permitting the joining member to move relative to the barrier member associated with the expansion joint.