internal XbimRoofQuantities(IfcRoof roof) : base(roof, "RoofQuantities") { }
internal XbimRoofCommonProperties(IfcRoof roof) : base(roof, "Pset_RoofCommon") { }
internal XbimRoof(XbimDocument document, IfcRoof roof)
: base(document)
{
_ifcBuildingElement = roof;
}