Index: Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile1DReader.cs
===================================================================
diff -u -rd82fa09fe9ae053ce7702ba89ef23ae029640d1b -r49f905d3363336d44ef828259692644dcf5f9edc
--- Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile1DReader.cs	(.../SoilProfile1DReader.cs)	(revision d82fa09fe9ae053ce7702ba89ef23ae029640d1b)
+++ Ringtoets/Piping/src/Ringtoets.Piping.IO/SoilProfile/SoilProfile1DReader.cs	(.../SoilProfile1DReader.cs)	(revision 49f905d3363336d44ef828259692644dcf5f9edc)
@@ -95,7 +95,9 @@
                 IsAquifer = properties.IsAquifer,
                 BelowPhreaticLevel = properties.BelowPhreaticLevel,
                 AbovePhreaticLevel = properties.AbovePhreaticLevel,
-                DryUnitWeight = properties.DryUnitWeight
+                DryUnitWeight = properties.DryUnitWeight,
+                MaterialName = properties.MaterialName,
+                Color = properties.Color
             };
             return pipingSoilLayer;
         }
@@ -107,6 +109,8 @@
             internal readonly double? BelowPhreaticLevel;
             internal readonly double? AbovePhreaticLevel;
             internal readonly double? DryUnitWeight;
+            internal readonly string MaterialName;
+            internal readonly double? Color;
 
             /// <summary>
             /// Creates a new instance of <see cref="LayerProperties"/>, which contains properties
@@ -125,16 +129,22 @@
                     Top = reader.Read<double>(readColumn);
 
                     readColumn = SoilProfileDatabaseColumns.IsAquifer;
-                    IsAquifer = reader.ReadOrNull<double>(readColumn);
+                    IsAquifer = reader.ReadOrDefault<double?>(readColumn);
 
                     readColumn = SoilProfileDatabaseColumns.BelowPhreaticLevel;
-                    BelowPhreaticLevel = reader.ReadOrNull<double>(readColumn);
+                    BelowPhreaticLevel = reader.ReadOrDefault<double?>(readColumn);
 
                     readColumn = SoilProfileDatabaseColumns.AbovePhreaticLevel;
-                    AbovePhreaticLevel = reader.ReadOrNull<double>(readColumn);
+                    AbovePhreaticLevel = reader.ReadOrDefault<double?>(readColumn);
 
                     readColumn = SoilProfileDatabaseColumns.DryUnitWeight;
-                    DryUnitWeight = reader.ReadOrNull<double>(readColumn);
+                    DryUnitWeight = reader.ReadOrDefault<double?>(readColumn);
+
+                    readColumn = SoilProfileDatabaseColumns.MaterialName;
+                    MaterialName = reader.ReadOrDefault<string>(readColumn);
+
+                    readColumn = SoilProfileDatabaseColumns.Color;
+                    Color = reader.ReadOrDefault<double?>(readColumn);
                 }
                 catch (InvalidCastException e)
                 {