Use this command to split and match walls between rooms. If non-room geometries are selected, this command only splits for each subsurface.


  • DoIntersect

    Yes to perform geometry intersections. It will split faces.

  • DoMatch

    Yes to match energy and radiance properties of adjacent faces.

  • CustomConstructions

    Yes to select custom constructions to apply to adjacent faces.

  • CustomModifiers

    Yes to select custom modifiers to apply to adjacent faces.

  • SetAirBoundary

    Yes to apply air boundary to adjacent faces.


  • Apertures and doors will be adjusted to match new walls.

  • The boundary condition of the aperture or door won't be changed if its outdoor walls become indoor surfaces.

Video Tutorials

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