diff --git a/Profiles/WinLib/WinCalculate.lua b/Profiles/WinLib/WinCalculate.lua
index 0562310..8f51db7 100644
--- a/Profiles/WinLib/WinCalculate.lua
+++ b/Profiles/WinLib/WinCalculate.lua
@@ -2291,12 +2291,12 @@ local function SearchSash( nAreaId, SashList)
          local nSouId = EgtGetInfo( nBaseOutlineId, WIN_SOU, 'i')
          local nSouAreaId = EgtGetParent( EgtGetParent( nSouId))
          local nSouAreaType = EgtGetInfo( nSouAreaId, WIN_AREATYPE, 'i')
-         while nSouAreaType ~= WIN_AREATYPES.FRAME do
+         while nSouId and nSouAreaType ~= WIN_AREATYPES.FRAME do
             nSouId = EgtGetInfo( nSouId, WIN_SOU, 'i')
-            nSouAreaId = EgtGetParent( EgtGetParent( nSouId))
-            nSouAreaType = EgtGetInfo( nSouAreaId, WIN_AREATYPE, 'i')
+            nSouAreaId = EgtGetParent( EgtGetParent( nSouId or GDB_ID.NULL))
+            nSouAreaType = EgtGetInfo( nSouAreaId or GDB_ID.NULL, WIN_AREATYPE, 'i')
          end
-         if EgtGetName( nSouId) ~= WIN_SPLIT then
+         if nSouId and EgtGetName( nSouId) ~= WIN_SPLIT then
             local nFrameFrameLayerId = EgtGetFirstNameInGroup( nSouAreaId, WIN_HDW_FRAME)
             if not nFrameFrameLayerId then
                nFrameFrameLayerId = EgtGroup( nSouAreaId)
@@ -2355,7 +2355,7 @@ local function SearchSash( nAreaId, SashList)
 end
 
 -- funzione che aggiunge l'hardware
-function WinCalculate.AddHardware( nFrameId)
+function WinCalculate.AddHardwareForSash( nFrameId)
    -- cerco ed indicizzo ante del serramento
    local SashList = {}
    SearchSash( nFrameId, SashList)
@@ -2576,16 +2576,17 @@ function WinCalculate.AddHardware( nFrameId)
             dDepth = tonumber( vMacro[3])
          end
          EgtModifyCurveThickness( nHoleId, - dDepth)
-         EgtTransform( nHoleId, frHdwFrame)
          EgtSetColor( nHoleId, EgtStdColor( 'GRAY'))
          EgtSetInfo( nHoleId, WIN_PRC_FEATURE_TYPE, WIN_PRC_TYPE.HOLE)
          -- per solido
          if bCalcSolid then
             local nSolidHoleId = EgtSurfTmByRegionExtrusion( nProcLayerId, nHoleId, - ( dDepth + 1) * Z_AX())
             EgtMove( nSolidHoleId, Z_AX())
+            EgtTransform( nSolidHoleId, frHdwFrame)
             EgtSurfTmSubtract( nMainExtrusionId, nSolidHoleId)
             EgtErase( nSolidHoleId)
          end
+         EgtTransform( nHoleId, frHdwFrame)
       end
    end
 
@@ -2594,5 +2595,29 @@ function WinCalculate.AddHardware( nFrameId)
 
 end
 
+-- funzione che aggiunge l'hardware
+function WinCalculate.AddHardware( nAreaId)
+   -- verifico il tipo
+   local nAreaType = EgtGetInfo( nAreaId, WIN_AREATYPE, 'i')
+   local nSplitLayerId = EgtGetFirstNameInGroup( nAreaId, WIN_SPLIT)
+   local nSplitType = WIN_SPLITTYPES.NULL
+   if nSplitLayerId then
+      nSplitType = EgtGetInfo( nSplitLayerId, WIN_SPLITTYPE, 'i')
+   end
+   if nAreaType == WIN_AREATYPES.SASH or ( nSplitLayerId and nSplitType == WIN_SPLITTYPES.FRENCH) then
+      -- lancio calcolo sash
+      WinCalculate.AddHardwareForSash( nAreaId)
+      return
+   else
+      -- verifico se ci sono sotto-aree
+      local nChildAreaId = EgtGetFirstNameInGroup( nAreaId, WIN_AREA .. '*')
+      while nChildAreaId do
+         -- lancio verifica di quell'area
+         WinCalculate.AddHardware( nChildAreaId)
+         nChildAreaId = EgtGetNextName( nChildAreaId, WIN_AREA .. '*')
+      end
+   end
+end
+
 ---------------------------------------------------------------------
 return WinCalculate
diff --git a/Profiles/WinProject.lua b/Profiles/WinProject.lua
index f8d1cea..2481338 100644
--- a/Profiles/WinProject.lua
+++ b/Profiles/WinProject.lua
@@ -52,6 +52,11 @@ local function WinCreate_AddSash()
 end
 _G.WinCreate_AddSash = WinCreate_AddSash
 
+local function WinCreate_AddHardware()
+    WinCreate.AddHardware(WDG.AREAID, WDG.FAVOURITE)
+end
+_G.WinCreate_AddHardware = WinCreate_AddHardware
+
 local function WinCreate_AddFill()
     WDG.AREAID = WinCreate.AddFill(WDG.AREAID, WDG.FILLTYPE)
 end
@@ -96,4 +101,9 @@ local function WinCalculate_CreatePartFromArea()
 end
 _G.WinCalculate_CreatePartFromArea = WinCalculate_CreatePartFromArea
 
+local function WinCalculate_AddHardware()
+    WinCalculate.AddHardware(WDG.FRAMEID)
+end
+_G.WinCalculate_AddHardware = WinCalculate_AddHardware
+
 ---------------------------------------------------------------------