Comprehensive testing, including tested under dynamic conditions and under short conditions which created crack subject to a width of 3mms, confirmed this absolute reliability of this new anchoring system.
All earlier both systems worked either by priction for expansion, or chemical adhesions in the cylindrically need drill a hole. The Liebig Ultraplus is unique in its operation and clamping segments open directly into an undercut .
The new Liebig ultraplus system was developed on a basis of the old and safest anchoring system which was to drill through a wall and to secure the fixing binding of a contemplate on the other side.
The undercut is simply an quickly an quickly created paraded of the concrete by means of special tool developed by the Liebig company.