Want to create layouts of precast concrete slabs efficiently in Revit? This Precast Concrete design software has two tools to do that: Floor Panel Layout (for Floor system families) and the new Floor+C tool (for Structural Framing families).


  • Layout structural framing elements based on rules.
  • Define rules in the framing configurations.
  • Automatically create warped Double Tee (DT) slabs.
  • Make layouts of any section of structural system framing elements — hollow core slabs, steel decking for composite slabs, and more.
  • Useful for designing parking garages with warped DT slabs or when structural framing family has camber.

To use Floor+C, follow these steps:
1. To start using Floor+C in your project, first load families into your project.

Then, open the configuration window and create your own or modify existing ones. If you need a different slab size or shape, you can modify the provided families or use your own Structural Framing families of precast slabs. For example, here in the Longitudinal flooring tab, hollow core slab families from the standard Revit library have been selected:

2. Now you need a floor that will serve as a reference floor for laying out the precast slabs. You can draw a new one or just use the one you already have in your project. Note: the direction of slabs depends on the span direction of the floor.

3. After you have your configuration and floor, link the configuration to the reference floor layer.

Select the configuration and layer where these slabs should be created. The top of slabs will be at the top of that layer.

4. Now you’re ready to create slabs! Use the Add Flooring command:

This is an example of a simple layout from one end of the reference Floor to another.

With our families and configurations the last element will be cut to fit the size of the reference floor if possible. Also the ends of slabs will be cut if the reference slab is not rectangular. You can also add End Elements and get different slab layouts, use framing for all identical slabs, and do some other great stuff.

Got questions when using Floor+C? Check out the e-help section:

Here is a webinar that show you the main features of Precast Concrete

Modeling Precast Concrete Parking Garages in Revit (English - 1:05:06)

date: 12/05/2020

This webinar​ is about designing precast concrete​ parking garages in Revit​. See an efficient modeling workflow for designing and producing documentation for precast parking garages and a solution for modeling the warped double tee slab.

Skip to what interests you in this webinar:

Precast Concrete design software for Autodesk Revit enables you to easily model prefabricated concrete walls, floor slabs, columns, and beams; batch-insert connection details (lifting anchors, bolts, cuts, couplers, corbels, etc.); place rebar in wall panels (solid, double, and sandwich) and beams (rectangular, L, and IT); and quickly generate shop tickets with proper element views, dimensions, and bills of materials. Since it runs on Revit, you get full project updates in real time. All that ensures quality production and accurate assembly on site.

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