diff --git a/src/Mod/BIM/Arch.py b/src/Mod/BIM/Arch.py
index 6a0015bd41..dbc4085ebb 100644
--- a/src/Mod/BIM/Arch.py
+++ b/src/Mod/BIM/Arch.py
@@ -125,6 +125,7 @@ def makeFloor(objectslist=None,baseobj=None,name=None):
     obj = makeBuildingPart(objectslist)
     obj.Label = name if name else translate("Arch","Level")
     obj.IfcType = "Building Storey"
+    obj.CompositionType = "ELEMENT"
     return obj
 
 
@@ -136,6 +137,7 @@ def makeBuilding(objectslist=None,baseobj=None,name=None):
     obj = makeBuildingPart(objectslist)
     obj.Label = name if name else translate("Arch","Building")
     obj.IfcType = "Building"
+    obj.CompositionType = "ELEMENT"
     t = QT_TRANSLATE_NOOP("App::Property","The type of this building")
     obj.addProperty("App::PropertyEnumeration","BuildingType","Building",t)
     obj.BuildingType = ArchBuildingPart.BuildingTypes
@@ -162,8 +164,10 @@ def convertFloors(floor=None):
             nobj = makeBuildingPart(obj.Group)
             if Draft.getType(obj) == "Floor":
                 nobj.IfcType = "Building Storey"
+                nobj.CompositionType = "ELEMENT"
             else:
                 nobj.IfcType = "Building"
+                nobj.CompositionType = "ELEMENT"
                 t = QT_TRANSLATE_NOOP("App::Property","The type of this building")
                 nobj.addProperty("App::PropertyEnumeration","BuildingType","Building",t)
                 nobj.BuildingType = ArchBuildingPart.BuildingTypes
diff --git a/src/Mod/BIM/ArchSite.py b/src/Mod/BIM/ArchSite.py
index e31b5479d3..64eb439db6 100644
--- a/src/Mod/BIM/ArchSite.py
+++ b/src/Mod/BIM/ArchSite.py
@@ -503,6 +503,8 @@ class _Site(ArchIFC.IfcProduct):
         obj.Proxy = self
         self.setProperties(obj)
         obj.IfcType = "Site"
+        obj.CompositionType = "ELEMENT"
+
 
     def setProperties(self,obj):
         """Gives the object properties unique to sites.
diff --git a/src/Mod/BIM/ArchSpace.py b/src/Mod/BIM/ArchSpace.py
index 08a3f4af9a..7da7aab19d 100644
--- a/src/Mod/BIM/ArchSpace.py
+++ b/src/Mod/BIM/ArchSpace.py
@@ -212,6 +212,7 @@ class _Space(ArchComponent.Component):
         ArchComponent.Component.__init__(self,obj)
         self.setProperties(obj)
         obj.IfcType = "Space"
+        obj.CompositionType = "ELEMENT"
 
     def setProperties(self,obj):