Thomas Panels Anti-Sag System (53)

Software version: 2020

Last updated September 4, 2020 by Trimble Solutions UK

Software version: 
Not environment-specific

Thomas Panels Anti-Sag System (53)

The Thomas Panels and Profiles Anti-Sag System macrosaved series of actions that includes instructions for a program

Macros are located in the applications and components catalog. They are recorded or created manually and stored as .cs file in a folder defined with the advanced option XS_MACRO_DIRECTORY.

Macros can, for example, be used for creating drawings or reports.

Macros are sometimes used to run an application.

can be used to define anti-sag ties, angle braces, threaded rods and eaves braces between selected purlins to produce a standard anti-sag system.

Before and after

Tekla Structures model before adding Thomas Panels Anti-Sag System (53) Tekla Structures model after adding Thomas Panels Anti-Sag System (53)


  • Any modification of the selected parts will cause this macro to be updated.
  • Most of the data required for this macro is fixed by TPP and stored in a series of data files supplied with Tekla Structures. Where standard data is not applicable, then certain items can be modified through the Parameters tab of the properties panel, but it is also possible to tailor the data files to individual requirements. This would require assistance from Tekla Structures support. 
  • Where this standard macro will not define all the supports required, e.g. around door or window openings, it may be necessary to use the Non-Standard Anti-Sag macro. It is possible to combine the two in one bay, by selecting smaller groups for which the standard macro is suitable, and then using the Non-Standard macro to define additional supports individually where required. 
  • Only one eaves beam may be selected for inclusion in the bay.
  • All purlin lengths must be parallel.

Selection order example

  1. Rafter
  2. Rafter
  3. Eaves beam (if required)
  4. Two or more purlins
  5. Click middle mouse button

The order to select Tekla Structures model when adding Thomas Panels Anti-Sag System (53)

See also

Thomas Panels cold rolled - Important information
Thomas Panels Anti-Sag System (53) - Parts tab
Thomas Panels Anti-Sag System (53) - Parameters tab

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