diff --git a/src/blenderbim/blenderbim/bim/module/pset/calc_quantity_function_mapper.py b/src/blenderbim/blenderbim/bim/module/pset/calc_quantity_function_mapper.py
index a2f00eba76..10bd9fdcd9 100644
--- a/src/blenderbim/blenderbim/bim/module/pset/calc_quantity_function_mapper.py
+++ b/src/blenderbim/blenderbim/bim/module/pset/calc_quantity_function_mapper.py
@@ -133,9 +133,9 @@ mapper = {
         'NetWeight' : None,
     },
     'Qto_CoveringBaseQuantities' : {
-        'Width' : None,
-        'GrossArea' : None,
-        'NetArea' : None,
+        'Width' : "get_height",
+        'GrossArea' : "get_gross_footprint_area",
+        'NetArea' : "get_net_footprint_area",
     },
     'Qto_PipeSegmentBaseQuantities' : {
         'Length' : None,