Lockbloc® 21 system for removable bollards
Removing the bollard:
Unlock with 11 mm triangle key.
Lift and remove the bollard.
Remove and flip over the central boss.
Lock in the boss with the triangle key.
Placing the bollard:
Reverse the above sequence.
“Concrete effect”:the bollard remains perfectly stable once placed into the Lockblock® 21 socket.
The central boss is always secured: no risk of loss or theft.
Self-draining through gravel at bottom of sockets.
Finish: 100% galvanised for complete corrosion protection.
Above ground portion and lock cover lacquered in black.
Easy maintenance: reservoir allows for accumulation of sand and dirt, easy access for complete maintenance.