Water Glass-Bunker

Concrete Restoration


Wayss & Freytag Ingenieurbau AG
Bereich Mitte, Sitz Düsseldorf
Wiesenstraße 21, A II
40549 Düsseldorf


BeMo Tunnelling GmbH, Niederlassung West

Project location

BASF, Henkelstraße 67
40589 Düsseldorf

Start of construction


End of construction


Project total value

0.15 million €


On the factory site of Henkel/BASF they are producing among others
water glass (silikat) that will be stored in open, not canopied bunkers.
Partly, the walls of one of the existing bunkers have to be reinforced by using shotcrete and additional reinforcement.

Technical Data

• Concrete removal by using
high-pressure water jet (HDW), 220 m²
thickness up to 6 cm
(robot- and manual-controlled blast head)
• Installation of additional reinforcement 220 m²
Q188 incl. anchoring
• Installation of shotcrete using 220 m²
dry shotcreting method,
Thickness 10 cm

Further project related information

The construction site is situated at factory site of a big german company, which is producing wash- and cleaning agents as well as adhesives.
Water glass (silikat) has traditionally been used in the construction industry, for exempel for the silification of masonry and plaster as well
as to protect natural stone against weather conditions.