Facade fastening system

A method for fastening façade panel elements or façade elements to a substructure, the method comprising:

• a) providing a substructure on a building shell;
• b) providing a plurality of façade panel elements or façade elements;
• c) preparing the substructure and the plurality of façade panel elements or façade elements for fastening;
• d) attaching at least two securing straps to each façade panel element or façade element;
• e) applying at least one adhesive component onto each façade panel element or façade element or the substructure;
• f) aligning and attaching each façade panel element or façade element to the substructure;
• and
• g) fastening the at least two securing straps to the substructure, wherein each securing strap includes at least two fastening points, wherein for each securing strap, one of the fastening points is connected to a respective one of the façade panel elements or façade elements and the other of the fastening points is connected to the substructure, wherein at least one of said fastening points of a first one of the at least two securing straps is a sliding point which uses a completely bounded oblong hole, a longitudinal extent of which defines an axis (A) which, after fastening at the sliding point, is tilted at an angle γ between 5° and 20° with respect to a vertical axis (V) and coincides with a longitudinal axis of the first of the two securing straps.