diff --git a/NPSimulation/Core/MaterialManager.cc b/NPSimulation/Core/MaterialManager.cc
index 554581bf1772db7f0d1868bd8497ca0f4324eac9..8ae1b918cf0e62b8ef8e83c25206635079bffff2 100644
--- a/NPSimulation/Core/MaterialManager.cc
+++ b/NPSimulation/Core/MaterialManager.cc
@@ -985,6 +985,48 @@ G4Material* MaterialManager::GetMaterialFromLibrary(string Name,
       return material;
     }
 
+    else if (Name == "Al1050") {
+      if (!density)
+        density = 2.71 * g / cm3;
+      G4Material* material = new G4Material("NPS_" + Name, density, 2);
+      material->AddElement(GetElementFromLibrary("Al"), 99.5/100.);
+      // To get to 100%
+      material->AddElement(GetElementFromLibrary("Fe"), 0.5/100.);
+      // Not 100% from wiki...
+      // material->AddElement(GetElementFromLibrary("Cu"), 0.05/100.);
+      // material->AddElement(GetElementFromLibrary("Fe"), 0.4/100.);
+      // material->AddElement(GetElementFromLibrary("Mg"), 0.05/100.);
+      // material->AddElement(GetElementFromLibrary("Mn"), 0.05/100.);
+      // material->AddElement(GetElementFromLibrary("Si"), 0.25/100.);
+      // material->AddElement(GetElementFromLibrary("Ti"), 0.03/100.);
+      // material->AddElement(GetElementFromLibrary("V"), 0.05/100.);
+      // material->AddElement(GetElementFromLibrary("Zn"), 0.05/100.);
+      m_Material[Name] = material;
+      return material;
+    }
+
+    else if (Name == "Al5754") {
+      if (!density)
+        density = 2.67 * g / cm3;
+      G4Material* material = new G4Material("NPS_" + Name, density, 2);
+      //Realistic
+      material->AddElement(GetElementFromLibrary("Al"), 97/100.);
+      material->AddElement(GetElementFromLibrary("Mg"), 3/100.);
+      // Not 100% from Wiki...
+      // material->AddElement(GetElementFromLibrary("Al"), 97.4/100.);
+      // material->AddElement(GetElementFromLibrary("Cr"), 0.3/100.);
+      // material->AddElement(GetElementFromLibrary("Cu"), 0.1/100.);
+      // material->AddElement(GetElementFromLibrary("Fe"), 0.4/100.);
+      // material->AddElement(GetElementFromLibrary("Mg"), 3.6/100.);
+      // material->AddElement(GetElementFromLibrary("Mn"), 0.5/100.);
+      // material->AddElement(GetElementFromLibrary("Si"), 0.4/100.);
+      // material->AddElement(GetElementFromLibrary("Ti"), 0.15/100.);
+      // material->AddElement(GetElementFromLibrary("Zn"), 0.2/100.);
+      m_Material[Name] = material;
+      return material;
+    }
+
+
     else if (Name == "NE213") {
       if (!density)
         density = 0.874 * g / cm3;
@@ -1194,7 +1236,6 @@ G4Material* MaterialManager::GetGasFromLibrary(string Name, double Pressure,
       return material;
     }
 
-
     else {
       exit(1);
     }
diff --git a/NPSimulation/Core/SteppingAction.cc b/NPSimulation/Core/SteppingAction.cc
index eb2e65e8b5a5da67e25ffd4aeeab17434919334c..2069571a8c818c8b9c22889e9a09327f81f38ca8 100644
--- a/NPSimulation/Core/SteppingAction.cc
+++ b/NPSimulation/Core/SteppingAction.cc
@@ -6,7 +6,8 @@
  *****************************************************************************/
 
 /*****************************************************************************
- * Original Author: ValerianAlcindor  contact address: valcindor@@ikp.tu-darmstadt.de
+ * Original Author: ValerianAlcindor  contact address:
+ *valcindor@@ikp.tu-darmstadt.de
  *                                                                           *
  * Creation Date  : September 2021                                             *
  * Last update    :                                                          *
diff --git a/NPSimulation/Detectors/Strasse/Strasse.cc b/NPSimulation/Detectors/Strasse/Strasse.cc
index b4d7a1c6df5d09dbb4547b957c8b4c5fdb11655f..f751000d70c946625fe33eab4722233f35495ed3 100644
--- a/NPSimulation/Detectors/Strasse/Strasse.cc
+++ b/NPSimulation/Detectors/Strasse/Strasse.cc
@@ -633,7 +633,9 @@ G4LogicalVolume* Strasse::BuildOuterDetector(){
 G4LogicalVolume* Strasse::BuildChamber(){
   if(!m_Chamber){
     // Needed Element
-    G4Material* Material = MaterialManager::getInstance()->GetMaterialFromLibrary("Al");
+    // G4Material* Material = MaterialManager::getInstance()->GetMaterialFromLibrary("Al");
+    G4Material* Material = MaterialManager::getInstance()->GetMaterialFromLibrary("Al5754");
+    // G4Material* Material = MaterialManager::getInstance()->GetMaterialFromLibrary("Al1050");
     G4RotationMatrix* Rot = new G4RotationMatrix();
 
     // Main Cylinder
@@ -694,7 +696,6 @@ G4LogicalVolume* Strasse::BuildChamber(){
 
     m_Chamber = new G4LogicalVolume(Chamber3,Material,"logic_Strasse_Chamber",0,0,0);
 
-
     m_Chamber->SetVisAttributes(ChamberVisAtt);
   }
 
@@ -1023,7 +1024,7 @@ void Strasse::ConstructDetector(G4LogicalVolume* world){
   }
 
   // Chamber 
-  /*
+  
   for (unsigned short i = 0 ; i < m_Chamber_Z.size() ; i++) {
     G4ThreeVector Det_pos = G4ThreeVector(0,0,-m_Chamber_Z[i]) ;
     G4RotationMatrix* Rot =  new G4RotationMatrix();
@@ -1032,7 +1033,7 @@ void Strasse::ConstructDetector(G4LogicalVolume* world){
         BuildChamber(),
         "Strasse",world,false,i+1);
   }
-  */
+  
 
 
     //G4ThreeVector Det_pos = G4ThreeVector(0,0,+11.5) ;