diff --git a/src/Mod/Arch/ArchWindow.py b/src/Mod/Arch/ArchWindow.py
index e42486477a..552a7788d0 100644
--- a/src/Mod/Arch/ArchWindow.py
+++ b/src/Mod/Arch/ArchWindow.py
@@ -73,7 +73,7 @@ def makeWindow(baseobj=None,width=None,height=None,parts=None,name="Window"):
     _Window(obj)
     if FreeCAD.GuiUp:
         _ViewProviderWindow(obj.ViewObject)
-        obj.ViewObject.Transparency=p.GetInt("WindowTransparency",85)
+        #obj.ViewObject.Transparency=p.GetInt("WindowTransparency",85)
     if width:
         obj.Width = width
     if height:
@@ -98,8 +98,14 @@ def makeWindow(baseobj=None,width=None,height=None,parts=None,name="Window"):
     if obj.Base and FreeCAD.GuiUp:
         obj.Base.ViewObject.DisplayMode = "Wireframe"
         obj.Base.ViewObject.hide()
+        from DraftGui import todo
+        todo.delay(recolorize,obj)
     return obj
 
+def recolorize(obj):
+    if obj.ViewObject:
+        if obj.ViewObject.Proxy:
+            obj.ViewObject.Proxy.colorize(obj,force=True)
 
 def makeWindowPreset(windowtype,width,height,h1,h2,h3,w1,w2,o1,o2,placement=None):
     """makeWindowPreset(windowtype,width,height,h1,h2,h3,w1,w2,o1,o2,[placement]): makes a
@@ -1029,6 +1035,7 @@ class _ViewProviderWindow(ArchComponent.ViewProviderComponent):
                         if len(obj.Base.ViewObject.DiffuseColor) > 1:
                             obj.ViewObject.DiffuseColor = obj.Base.ViewObject.DiffuseColor
                             obj.ViewObject.update()
+            self.colorize(obj)
         elif prop == "CloneOf":
             if obj.CloneOf:
                 mat = None
@@ -1040,10 +1047,6 @@ class _ViewProviderWindow(ArchComponent.ViewProviderComponent):
                         if len(obj.CloneOf.ViewObject.DiffuseColor) > 1:
                             obj.ViewObject.DiffuseColor = obj.CloneOf.ViewObject.DiffuseColor
                             obj.ViewObject.update()
-        if (prop in ["WindowParts","Shape"]):
-            if obj.Shape:
-                if not obj.Shape.isNull():
-                    self.colorize(obj)
 
     def onDelete(self,vobj,subelements):
         for o in vobj.Object.Hosts:
@@ -1051,12 +1054,10 @@ class _ViewProviderWindow(ArchComponent.ViewProviderComponent):
         return True
 
     def onChanged(self,vobj,prop):
-        if (prop in ["DiffuseColor","ShapeColor","Transparency"]) and vobj.Object:
-            if vobj.Object.Base:
-                if len(vobj.DiffuseColor) < 2:
-                    if vobj.Object.Shape:
-                        if not vobj.Object.Shape.isNull():
-                            self.colorize(vobj.Object)
+        if (prop in ["DiffuseColor","Transparency"]) and vobj.Object:
+            self.colorize(vobj.Object)
+        elif prop == "ShapeColor":
+            self.colorize(vobj.Object,force=True)
         ArchComponent.ViewProviderComponent.onChanged(self,vobj,prop)
 
     def setEdit(self,vobj,mode):
@@ -1080,13 +1081,18 @@ class _ViewProviderWindow(ArchComponent.ViewProviderComponent):
         FreeCADGui.Control.closeDialog()
         return
 
-    def colorize(self,obj):
+    def colorize(self,obj,force=False):
         "setting different part colors"
         if obj.CloneOf:
-            obj.ViewObject.DiffuseColor = obj.CloneOf.ViewObject.DiffuseColor
+            if self.areDifferentColors(obj.ViewObject.DiffuseColor,obj.CloneOf.ViewObject.DiffuseColor) or force:
+                obj.ViewObject.DiffuseColor = obj.CloneOf.ViewObject.DiffuseColor
             return
         if not obj.WindowParts:
             return
+        if not obj.Shape:
+            return
+        if not obj.Shape.Solids:
+            return
         solids = obj.Shape.copy().Solids
         #print("Colorizing ", solids)
         colors = []
@@ -1121,9 +1127,16 @@ class _ViewProviderWindow(ArchComponent.ViewProviderComponent):
                 ccol = base
             colors.extend([ccol for f in solids[i].Faces])
         #print("colors: ",colors)
-        if len(colors) > 1:
-            if colors != obj.ViewObject.DiffuseColor:
-                obj.ViewObject.DiffuseColor = colors
+        if self.areDifferentColors(colors,obj.ViewObject.DiffuseColor) or force:
+            obj.ViewObject.DiffuseColor = colors
+
+    def areDifferentColors(self,a,b):
+        if len(a) != len(b):
+            return True
+        for i in range(len(a)):
+            if abs(sum(a[i]) - sum(b[i])) > 0.00001:
+                return True
+        return False
 
 class _ArchWindowTaskPanel:
     '''The TaskPanel for Arch Windows'''
diff --git a/src/Mod/Draft/Draft.py b/src/Mod/Draft/Draft.py
index ed7e5b4cec..33dc1b75ba 100644
--- a/src/Mod/Draft/Draft.py
+++ b/src/Mod/Draft/Draft.py
@@ -2980,6 +2980,9 @@ def clone(obj,delta=None,forcedraft=False):
             pass
         if gui:
             cl.ViewObject.DiffuseColor = base.ViewObject.DiffuseColor
+            if obj[0].Proxy.Type == "Window":
+                from DraftGui import todo
+                todo.delay(Arch.recolorize,cl)
         select(cl)
         return cl
     else: