IFC 4.3.0.1 (IFC4X3_TC1) development

Permeability

Semantic definition

Ratio of the permeability of the ceiling. The ration can be used to indicate an open ceiling (that enables identification of whether ceiling construction should be considered as impeding distribution of sprinkler water, light etc. from installations within the ceiling area).

Referenced in
Pset_Tiling
Table be9fbe77-0e44-4296-be5c-e229b590be04

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