Modeling Building Elements

BIM for Architecture, Engineering, and Construction Curriculum

Exercise 1.1.3: Creating Roofs and Floors

In this exercise, students will learn how to:

  • Create roofs based on the building footprint.
  • Sketch a roof boundary and selecting the slope-defining edges.
  • Set the roof level and slope instance properties.
Figure 1.1.5 - Creating a basic roof and choosing slope-defining edges

Video Tutorial

Student Exercise

Download Imperial or Metric
  • Open the Living Area Roof Level plan view.
  • Create a new roof over the living areas of the project model by tracing the footprint indicated by the red model lines that appear in the view. These lines show the outer boundary of the roof, and all edges should be slope-defining with a slope of 3" / 12".
  • Open the Carport Roof Level plan view.
  • Place a flat roof over the carport area by tracing the outer boundary indicated by the blue model lines shown in the view.


Figure 1.1.6 - Finished sloping and flat roof over the project model

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