While renovating the sports hall, the concrete parapet on the facade between the columns was removed. Structural calculations showed that a total of 7 of the 14 outer columns had to be reinforced with S&P C-Sheets 240 (400 g/m2) along the bottom 1.2 metres of the columns. The load-transferring wrapping of the column was carried out using the carbon fibre mesh C-sheets and the vapour-permeable epoxy resin S&P Resicem on a prepared bearing substrate.