> For the complete documentation index, see [llms.txt](https://docs.pollination.solutions/user-manual/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.pollination.solutions/user-manual/model-editor/commands/alphabetically/me_subtract_roofs.md).

# Subtract roofs

<img src="https://2884583650-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MaZZSUE1L_iKrqfreV9%2Fuploads%2Fgit-blob-4d0b653819770046ec53dc7f911d6fd5ea060350%2Fdiff-roof.svg?alt=media" alt="" height="50" width="50">

Subtract one roof part from another one.