diff --git a/src/controls/QskSeparator.cpp b/src/controls/QskSeparator.cpp
index 4f494274..fe72fa6a 100644
--- a/src/controls/QskSeparator.cpp
+++ b/src/controls/QskSeparator.cpp
@@ -50,9 +50,29 @@ Qt::Orientation QskSeparator::orientation() const
     return m_orientation;
 }
 
+void QskSeparator::setThickness( qreal thickness )
+{
+    thickness = qMax( thickness, 0.0 );
+
+    if ( thickness != metric( QskSeparator::Panel | QskAspect::Size ) )
+    {
+        setMetric( QskSeparator::Panel | QskAspect::Size, thickness );
+
+        resetImplicitSize();
+        update();
+
+        Q_EMIT thicknessChanged();
+    }
+}
+
+qreal QskSeparator::thickness() const
+{
+    return metric( QskSeparator::Panel | QskAspect::Size );
+}
+
 QSizeF QskSeparator::contentsSizeHint() const
 {
-    const qreal m = metric( Panel );
+    const qreal m = thickness();
 
     if ( m_orientation == Qt::Horizontal )
         return QSizeF( -1, m );
diff --git a/src/controls/QskSeparator.h b/src/controls/QskSeparator.h
index fad7bf62..b4b41fb5 100644
--- a/src/controls/QskSeparator.h
+++ b/src/controls/QskSeparator.h
@@ -16,6 +16,9 @@ class QSK_EXPORT QskSeparator : public QskControl
     Q_PROPERTY( Qt::Orientation orientation READ orientation
         WRITE setOrientation NOTIFY orientationChanged )
 
+    Q_PROPERTY( qreal thickness READ thickness
+        WRITE setThickness NOTIFY thicknessChanged )
+
     using Inherited = QskControl;
 
 public:
@@ -23,15 +26,20 @@ public:
 
     QskSeparator( QQuickItem* parent = nullptr );
     QskSeparator( Qt::Orientation, QQuickItem* parent = nullptr );
+
     virtual ~QskSeparator();
 
     void setOrientation( Qt::Orientation );
     Qt::Orientation orientation() const;
 
+    void setThickness( qreal thickness );
+    qreal thickness() const;
+
     virtual QSizeF contentsSizeHint() const override;
 
 Q_SIGNALS:
     void orientationChanged( Qt::Orientation );
+    void thicknessChanged() const;
 
 private:
     Qt::Orientation m_orientation;
diff --git a/src/controls/QskSeparatorSkinlet.cpp b/src/controls/QskSeparatorSkinlet.cpp
index ea82f95a..fd31f4dd 100644
--- a/src/controls/QskSeparatorSkinlet.cpp
+++ b/src/controls/QskSeparatorSkinlet.cpp
@@ -51,7 +51,7 @@ QSGNode* QskSeparatorSkinlet::updateSubNode(
 QRectF QskSeparatorSkinlet::panelRect( const QskSeparator* separator ) const
 {
     const QRectF cr = separator->contentsRect();
-    const qreal m = separator->metric( QskSeparator::Panel );
+    const qreal m = separator->metric( QskSeparator::Panel | QskAspect::Size );
 
     QRectF r;
 
diff --git a/src/skins/material/QskMaterialSkin.cpp b/src/skins/material/QskMaterialSkin.cpp
index aaa30a22..76f404b9 100644
--- a/src/skins/material/QskMaterialSkin.cpp
+++ b/src/skins/material/QskMaterialSkin.cpp
@@ -201,7 +201,7 @@ void QskMaterialSkin::initSeparatorHints()
 
     const ColorPalette& pal = m_data->palette;
 
-    setMetric( Q::Panel, 4 );
+    setMetric( Q::Panel | Size, 4 );
     setColor( Q::Panel, pal.baseColor );
 }
 
diff --git a/src/skins/squiek/QskSquiekSkin.cpp b/src/skins/squiek/QskSquiekSkin.cpp
index 928ca62c..66510bbb 100644
--- a/src/skins/squiek/QskSquiekSkin.cpp
+++ b/src/skins/squiek/QskSquiekSkin.cpp
@@ -209,7 +209,7 @@ void QskSquiekSkin::initSeparatorHints()
 
     const ColorPalette& pal = m_data->palette;
 
-    setMetric( Q::Panel, 4 );
+    setMetric( Q::Panel | Size, 4 );
     setColor( Q::Panel | TopCorners, pal.lighter150 );
     setColor( Q::Panel | BottomCorners, pal.lighter125 );
 }