diff --git a/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTNT.java b/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTNT.java
index 84a9a5f..6c556e9 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTNT.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/commands/CommandTNT.java
@@ -75,6 +75,10 @@ public class CommandTNT implements CommandExecutor, Listener {
         return "§cEine Explosion hätte Blöcke im Baubereich zerstört";
     }
 
+    private String getDamageExtensionMessage() {
+        return "§cEine Explosion hätte Blöcke im Ausfahrbereich zerstört";
+    }
+
     @Override
     public boolean onCommand(CommandSender sender, Command command, String s, String[] args) {
         if (!(sender instanceof Player)) return false;
@@ -149,6 +153,10 @@ public class CommandTNT implements CommandExecutor, Listener {
                 RegionToggleCommand.actionBar(region, getDamageMessage());
                 return true;
             }
+            if (region.hasBuildRegion() && region.inBuildRegionExtension(block.getLocation())) {
+                RegionToggleCommand.actionBar(region, getDamageExtensionMessage());
+                return true;
+            }
             return false;
         });
     }
diff --git a/BauSystem_Main/src/de/steamwar/bausystem/world/Region.java b/BauSystem_Main/src/de/steamwar/bausystem/world/Region.java
index 101eeba..0f3d682 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/world/Region.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/world/Region.java
@@ -162,6 +162,10 @@ public class Region {
         return prototype.buildArea.inRegion(this, l);
     }
 
+    public boolean inBuildRegionExtension(Location l) {
+        return prototype.buildArea.inRegionExtension(this, l);
+    }
+
     public void fastreset(){
         prototype.fastreset(this);
     }
@@ -212,11 +216,6 @@ public class Region {
             return false;
         }
 
-        @Override
-        public boolean inBuildRegion(Location l) {
-            return false;
-        }
-
         @Override
         public boolean hasTestblock() {
             return false;
@@ -288,6 +287,12 @@ public class Region {
                     inRange(l.getZ(), region.minZ + offsetZ, sizeZ);
         }
 
+        public boolean inRegionExtension(Region region, Location l) {
+            return  inRange(l.getX(), region.minX + offsetX - extensionAxisX + 1, sizeX + extensionAxisX * 2 - 1) &&
+                    inRange(l.getY(), region.minY + offsetY, sizeY + extensionPositiveY - 1) &&
+                    inRange(l.getZ(), region.minZ + offsetZ - extensionNegativeZ + 1, sizeZ + extensionNegativeZ - 1 + extensionPositiveZ);
+        }
+
         public void fastreset(Region region){
             File file = new File(schematic);
             int x = region.minX + offsetX + sizeX/2;