Precision from BFI 

Round becomes angular

Your benefits:

• base area of only 2,200 x 2,200 mm with a height up to 28m
• large walking area in comparison to spiral staircases
• generous platforms
• torsion-proof and earthquake-proof construction
• free-standing possible, without access to a building
• fast construction: available in 12m-piece
• easy and fast installation