Why there is no ceiling

How to handle the following situations:

  1. When the ceiling does not display in 3D top-down view, you need to switch the view to 3D bottom-up view or Walkthrough mode.

  1. If the ceiling layer is missing in Walkthrough view, you can check "Display""Custom finishing" and ensure "Ceiling layer" is checked. Shortcut: Ctrl + Shift + Z.

  1. If the walls are not closed or properly connected, there will be no ceiling. You need to check for wall issues in 2D view.