An essential construction principle of TL systems is to allow for thermal expansion and contraction, which TL systems accommodate by the use of Fixed Point (FixP) and Flexible Point (FlexP) brackets (Figure 2).
At the fixed point, brackets and profiles are connected by the round bores in the bracket. The fixed point absorbs both vertical weight loads and horizontal wind loads.
At the flexible point profiles are connected at the elongated bores in the brackets, the primary function of the flexible point bracket at vertical systems is to absorb thermal expansion and horizontal wind loads.
Each profile is connected by means of at least one fixed point and several flexible point brackets.
Prefabricated elongated bores used to fix the TL bracket to the exterior wall simplify adjusting procedure. Also round and elongated bores used to fix TL profiles to the brackets are prefabricated. Particularly helpful for the installation of the profiles is the integrated, continuous fixing clip of every TL bracket, this allows variable profile alignment adjustment on each TL bracket. These product characteristics ensure that the installation time for the substructure is significantly reduced. Thus the costs of the entire facade are reduced