> For the complete documentation index, see [llms.txt](https://docs.dietrichs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dietrichs.com/dietrichs-intelligent-documentation/docs-de-en/holzrahmenbau-kompendium/prinzipien-des-hrb-systems/hrb-regelungen.md).

# HRB rules

The HRB module contains various rules for the alignment of bars and for the penetration and connections of components. Because these regulations are repeatedly unclear and raise questions, they are to be documented here.