diff --git a/src/Mod/Fem/Gui/Resources/ui/Material.ui b/src/Mod/Fem/Gui/Resources/ui/Material.ui
index bbd1c9add7..4b44aca3ac 100755
--- a/src/Mod/Fem/Gui/Resources/ui/Material.ui
+++ b/src/Mod/Fem/Gui/Resources/ui/Material.ui
@@ -63,6 +63,16 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QCheckBox" name="chbu_allow_edit">
+        <property name="text">
+         <string>allow edit material parameter</string>
+        </property>
+        <property name="checked">
+         <bool>false</bool>
+        </property>
+       </widget>
+      </item>
      </layout>
     </widget>
    </item>
diff --git a/src/Mod/Fem/femguiobjects/_ViewProviderFemMaterial.py b/src/Mod/Fem/femguiobjects/_ViewProviderFemMaterial.py
index 3959cd3adb..d5c03b89ae 100644
--- a/src/Mod/Fem/femguiobjects/_ViewProviderFemMaterial.py
+++ b/src/Mod/Fem/femguiobjects/_ViewProviderFemMaterial.py
@@ -107,9 +107,11 @@ class _TaskPanelFemMaterial:
 
         # parameter widget
         self.parameterWidget = FreeCADGui.PySideUic.loadUi(FreeCAD.getHomePath() + "Mod/Fem/Resources/ui/Material.ui")
+        # globals
         QtCore.QObject.connect(self.parameterWidget.pushButton_MatWeb, QtCore.SIGNAL("clicked()"), self.goto_MatWeb)
         QtCore.QObject.connect(self.parameterWidget.pushButton_saveas, QtCore.SIGNAL("clicked()"), self.export_material)
         QtCore.QObject.connect(self.parameterWidget.cb_materials, QtCore.SIGNAL("activated(int)"), self.choose_material)
+        QtCore.QObject.connect(self.parameterWidget.chbu_allow_edit, QtCore.SIGNAL("clicked()"), self.toggleInputFieldsReadOnly)
         # basic properties must be provided
         QtCore.QObject.connect(self.parameterWidget.input_fd_density, QtCore.SIGNAL("valueChanged(double)"), self.density_changed)
         # mechanical properties
@@ -123,6 +125,10 @@ class _TaskPanelFemMaterial:
         QtCore.QObject.connect(self.parameterWidget.input_fd_kinematic_viscosity, QtCore.SIGNAL("valueChanged(double)"), self.kinematic_viscosity_changed)
         QtCore.QObject.connect(self.parameterWidget.input_fd_vol_expansion_coefficient, QtCore.SIGNAL("valueChanged(double)"), self.vtec_changed)
 
+        # init all parameter input fiels with read only
+        self.parameterWidget.chbu_allow_edit.setCheckState(QtCore.Qt.CheckState.Unchecked)
+        self.toggleInputFieldsReadOnly()
+
         # hide some groupBox according to material category
         self.parameterWidget.label_category.setText(self.obj.Category)
         if self.obj.Category == 'Fluid':
@@ -184,6 +190,26 @@ class _TaskPanelFemMaterial:
         doc.resetEdit()
 
     ################ parameter widget methods #########################
+    def toggleInputFieldsReadOnly(self):
+        if self.parameterWidget.chbu_allow_edit.isChecked():
+            self.parameterWidget.input_fd_density.setReadOnly(False)
+            self.parameterWidget.input_fd_young_modulus.setReadOnly(False)
+            self.parameterWidget.spinBox_poisson_ratio.setReadOnly(False)
+            self.parameterWidget.input_fd_thermal_conductivity.setReadOnly(False)
+            self.parameterWidget.input_fd_expansion_coefficient.setReadOnly(False)
+            self.parameterWidget.input_fd_specific_heat.setReadOnly(False)
+            self.parameterWidget.input_fd_kinematic_viscosity.setReadOnly(False)
+            self.parameterWidget.input_fd_vol_expansion_coefficient.setReadOnly(False)
+        else:
+            self.parameterWidget.input_fd_density.setReadOnly(True)
+            self.parameterWidget.input_fd_young_modulus.setReadOnly(True)
+            self.parameterWidget.spinBox_poisson_ratio.setReadOnly(True)
+            self.parameterWidget.input_fd_thermal_conductivity.setReadOnly(True)
+            self.parameterWidget.input_fd_expansion_coefficient.setReadOnly(True)
+            self.parameterWidget.input_fd_specific_heat.setReadOnly(True)
+            self.parameterWidget.input_fd_kinematic_viscosity.setReadOnly(True)
+            self.parameterWidget.input_fd_vol_expansion_coefficient.setReadOnly(True)
+
     def goto_MatWeb(self):
         import webbrowser
         webbrowser.open("http://matweb.com")