SCHLUESSELBAUER offers besides production equipment a large variety of different parts and components which are an integral part of many precast concrete elements.

These are for instance step rungs for manhole elements in several designs, corrosion-resistant HDPE lining for pipes, pipe connectors and - gaskets as well as polystyrene elements, holeformers and gaskets for the production of custom made monolithic manhole bases.

For manufacturers of high quality concrete precast elements SCHLUESSELBAUER offers a large variety of components and services in all significant aspects of production from one single source.


  • Holeformers for concrete precast parts like manhole components (manhole bases, risers, cones)
  • Precise forming parts for fabrication of round shaped block outs, culverts and specified pipe connections.
  • Holeformer diameter DN100 up to DN1000.
  • Preassembled gaskets which enable an absolutely dense fit of concrete and gasket are available for specified pipe connections.