•  This is a patented product Patent Nr 2000/3185
   •  Blocks are cast according to Patent specifications
   •  Blocks are cast @ 25 MPA to 32MPA
   •  1.8m Colum only the Base needs to be filled with Concrete
   •  2.1m Colum Base + One Block
   •  2.4m Colum Base + Two Blocks