Pool Steel also refered to as S12 Reinforcing Bar is mainly used for inground concrete pool construction. S12 Pool Steel is specifically designed for concrete swimming pools as it is easier to bend on site than regular deformed bars. S means soft steel and the twelve represents the thickness of the bar 12mm. It is easy to make shapes to suit curved pools, stairs, landings or anyother designs neccessary. Pool steel is available in 6 metre lengths.