Schlüsselbauer

Holeformers

  • 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.