Berlin Cathedral riverbank terrace, outside staircase/podium

Its traditional history, its special architecture and its unique location directly on the river Spree make the Berlin Cathedral a popular destination for visitors from Germany and abroad. The old waterproofing was worn out and moisture had penetrated into the visible sandstone on the river bank terrace, stairs and landings. This resulted in extreme
efflorescence in this listed building. Several rooms, such as the sexton’s office and various community and storage locations, were no longer usable due to the moisture damage. The High Parish and Cathedral Church (Oberpfarr- und Domkirche zu Berlin) commissioned construction company NITEC Gesellschaft für Planung, Bauleitung und Projektsteuerung mbH to prepare a redevelopment scheme as well as to implement the waterproofing and repair work for the affected components. The Cathedral Construction Office (Dombaubüro), the planners from NITEC and contractor Dietrich Irmler from Berliner Ausbau GmbH together decided in favour of Triflex after a product-neutral tender. Since the waterproofing was to be carried out on different substrates and in the connection area, and also because the substance was severely damp, the best choice was Triflex SmartTec.