API Reference > OdIfc2x2_final Namespace > Classes > IfcHygroscopicMaterialProperties Class > IfcHygroscopicMaterialProperties Methods > IfcHygroscopicMaterialProperties::getLowerVaporResistanceFactor Method
IfcHygroscopicMaterialProperties::getLowerVaporResistanceFactor Method
Syntax
C++
double getLowerVaporResistanceFactor() const;
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