IFC 4.3.2.20250905 (IFC4X3_ADD2) under development

  • Help suggest improvements
  • Get user or developer support

ProjectedArea

Semantic definition

Total gross area of the outer surfaces of the roof, projected tp the ground. It is the sum of all projected roof slab gross areas. Roof openings, like sky windows and other openings and cut-outs are not taken into account.

Referenced in
Qto_RoofBaseQuantities
Table A

Edit on Github


Is this page difficult to understand? Let us know!