The components which make up this structural system are:

 Purlins.
 Banco beams.
 Supporting beams.
 Supporting columns.
 End columns.
Anchorage.

 Bracing:


This name is given to the set of structural elements set out over the roof and façade planes in order to transmit the horizontal component of loads acting upon the building to the foundations. The securing profiles placed at the column heads to make the supporting structure more solid also belong to this group.
It is important to take the position of bracing into account (normally on the first and last spans) when it comes to planning façades as it may interfere with doors and/or windows.

 Roof.
 Skylight.
 Gutters.
 Heat insulation.
 False ceiling.