Slabs are often used as floor and foundation components. You can create slabs in AutoCAD Architecture, and use them as reference in Revit to retrace or recreate the slabs.
The following properties of an AutoCAD Architecture slab are maintained when it is imported to Revit:
The following properties are added to the imported slab:
To import a slab from AutoCAD Architecture
When you import a DWG or DXF file into Revit, you can import all layers, all visible layers, or selected layers. After they are imported, layers can be selectively deleted from Revit at any time.
The imported drawing displays as a single import symbol.
Import Instance panel
A query displays the object type, block name (identical to imported drawing name), layer, and style name, as applicable.
To exit Query mode, press Esc.
Import Instance panel
Explode drop-down
A partial explode on an imported drawing allows you to display the individual object’s properties.

Partially exploded AutoCAD Architecture slab in Revit
Foundation panel
Slab drop-down
Draw panel
Import Instance panel
Manage Project panel