Understanding the Relationship Between Doors and Door Openings When Creating Door Families in Revit
In interior design, the size of the door opening often differs from the actual door size specified by the manufacturer. For example, a door opening measuring 880 mm wide typically accommodates a door that is 800 mm wide. This discrepancy exists because the door frame includes edges that wrap approximately 40 mm on each side.
When creating a family in Revit, the width usually refers to the overall width of the entire door family (i.e., the door opening width of 880 mm) rather than the manufacturer’s specified door dimensions. To make the design process clearer, I add additional parameters in the Revit dimension annotation column, such as “Door edge thickness”, alongside “Rough Width” and “Rough Height”. These represent the actual door dimensions and are linked to the main “Height” and “Width” parameters.
This approach allows for easier adjustments later on. By annotating the actual dimensions with “Rough Width” and “Rough Height”, the door family can accurately match the real size of the door opening.
Note: The “Door edge thickness” parameter can be modified freely, but it should be associated with the door edge thickness in the model.
Additionally, the “Door veneer thickness” should be correlated with the door frame thickness to ensure the door frame’s integrity during layout.
Related Reading:
How to Batch Upgrade Revit Families
Revit Family Drawing Regulations
Why Revit Door and Window Markers Are Used for Detailed Views and Cannot Be Rotated with Components
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