News archive

Created by M.Wolf |

Pilot project: Joint-sealing in the Johannesgraben tunnel in Stuttgart
The Johannesgraben tunnel
is a six-lane tunnel at the beginning of the 831…

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Created by M. Wolf |

Expansion-joint sealing cushions (valve) for refurbishing bridges and tunnels

Main Station, Vienna
Expansion joint length 27 m
Sealing against the…

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Created by M.Wolf |

"Expansion joint sealing technology, surface protection & tightness control"

  • Exchange of experience
  • Products and possible applications
  • Functional…
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Created by M.Wolf |

WO03-14 - 12th Pilot Project
Sealing of expansion joints against stone chippings and water flow

Wolf GmbH, of Stuttgart was commissioned by DB Netz…

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Created by M.Wolf |

The large-scale Austrian Rail infrastructure project, begun in June 2009, was completed in only 5 years – and the retro-sealing of a 27 m long…

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Created by M.Wolf |
  • For sealing cables, ducts and expansion joints against gas diffusion and accumulating water
  • Interaction with heat

Results of testing the…

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TEST CERTIFICATE 07.43-PB 127/2013

Reusability of sealing cushions (valve) coated with swelling material

We hereby certify that the following…

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Created by M. Wolf |


Reusable sealing cushions for photovoltaic systems

  • EUROSOL GmbH (Ludwigshafen) has planned, designed and installed one of the biggest solar parks…
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Created by M. Wolf |


Fibre optic water detectors for the new single mode generation.

  • Fibre Optics CT GmbH, Stuttgart completed the development and testing of their…
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Created by M.Wolf |


Sealing cushion coated with swelling material QAK/V for buildings, FTTH entries and exits for applications in photovoltaic, wind energy and biogas…

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Wolf GmbH

Zazenhäuser Straße 52
D - 70437 Stuttgart

Tel.:  +49 (0)711 87 39 41
Fax.: +49 (0)711 87 12 30

Email: Service(at)Wolf-Systems.com