What’s a bollard?

Aside from marine docking cleats and decorative lighting fixtures, bollards are any type of post installed for traffic control. They can be wood, reinforced concrete, decorative cast iron, retractable, or good old schedule 40 steel pipe. Bollards are specified in construction drawings and referred to as bumper posts, guard posts, steel pipe bollards, surface mount pipe bollards, dig and set pipe bollards, etc. Bollard covers are specified as bumper post sleeves, bollard covers, bollard sleeves, and so on.