diff --git a/Resources/Prototypes/Entities/Structures/Doors/Shutter/shutters.yml b/Resources/Prototypes/Entities/Structures/Doors/Shutter/shutters.yml
index 890fb2ee66c..7b0b28b2183 100644
--- a/Resources/Prototypes/Entities/Structures/Doors/Shutter/shutters.yml
+++ b/Resources/Prototypes/Entities/Structures/Doors/Shutter/shutters.yml
@@ -101,6 +101,10 @@
     interactSuccessSound:
       collection: FenceRattle
   - type: BlockWeather
+  # Triad - lets the shutter be interacted with even when a window/grille shares its tile (matches BaseFirelock)
+  - type: WallMount
+    arc: 360
+  # End Triad
   # Mono
   - type: ShipRepairable
     repairTime: 3
@@ -218,6 +222,10 @@
     containers:
     - board
   - type: InteractionOutline
+  # Triad - lets the frame be interacted with (cable step, etc.) even when a window/grille shares its tile
+  - type: WallMount
+    arc: 360
+  # End Triad
   - type: Damageable
     damageContainer: StructuralInorganic
     damageModifierSet: Metallic
@@ -229,8 +237,11 @@
       behaviors:
       - !type:DoActsBehavior
         acts: ["Destruction"]
+  # Triad - Static (matches BlastDoorFrame): the construction graph anchors the frame on spawn,
+  # which would flip Dynamic -> Static and fail PrototypeSaveTest. Declaring Static here keeps
+  # prototype/runtime in sync and also prevents the unanchored body from being shoved by physics.
   - type: Physics
-    bodyType: Dynamic
+    bodyType: Static
   - type: Fixtures
     fixtures:
       fix1:
@@ -244,4 +255,4 @@
         layer:
         - HighImpassable
   - type: Transform
-    noRot: true
+    # noRot: true # Triad - removed so shutter frames keep their placement rotation
diff --git a/Resources/Prototypes/Recipes/Construction/Graphs/structures/shutter.yml b/Resources/Prototypes/Recipes/Construction/Graphs/structures/shutter.yml
index 7086216cba3..511f9beb8af 100644
--- a/Resources/Prototypes/Recipes/Construction/Graphs/structures/shutter.yml
+++ b/Resources/Prototypes/Recipes/Construction/Graphs/structures/shutter.yml
@@ -15,6 +15,12 @@
 
     - node: frame1
       entity: ShuttersFrame
+      # Triad - snap and anchor the frame on creation so the unanchored dynamic body
+      # isn't shoved off impassable tiles (e.g. windows) by physics. Matches the BlastDoor graph.
+      actions:
+        - !type:SnapToGrid {}
+        - !type:SetAnchor {}
+      # End Triad
       edges:
         - to: frame2
           conditions: