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SUBMITTED BY/EINGEREICHT VON: OTTO KNECHT GMBH & CO. KG

Innovation: CEMflex steel plate waterstop on wall elements

Figure: Otto Knecht

CEMflex ensures that no water can penetrate the structural element along the construction joint or butt joint

Figure: Otto Knecht

The development partners BPA GmbH (BPA) and Otto Knecht GmbH & Co. KG (Knecht) have developed a solution for the sealing of wall element joints. Since May 2015, BPA has been producing a steel plate waterstop for special wall element use, which Knecht has built into the wall elements at the precast concrete plant.

The steel plate waterstop of type CEMflex VB NG used in the project consists of a galvanized steel plate which features a coating on both sides of a patented sealing compound. The sealing compound contains a concrete-active substance such as calcium hydroxide which “actively” triggers...

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