diff --git a/data/json/terrain.json b/data/json/terrain.json
index ef55b5af85c55..6aa7e31fa6dbc 100644
--- a/data/json/terrain.json
+++ b/data/json/terrain.json
@@ -747,6 +747,24 @@
       "items": [ { "item": "splinter", "count": [ 2, 8 ] }, { "item": "nail", "charges": [ 5, 10 ] } ]
     }
   },
+  {
+    "type": "terrain",
+    "id": "t_floor_noroof",
+    "name": "wooden floor",
+    "description": "Wooden floor created from boards, packed tightly together and nailed down. Common in patios.",
+    "symbol": ".",
+    "color": "brown",
+    "move_cost": 2,
+    "flags": [ "TRANSPARENT", "FLAMMABLE_HARD", "FLAT", "ROAD" ],
+    "bash": {
+      "sound": "SMASH!",
+      "ter_set": "t_null",
+      "str_min": 50,
+      "str_max": 400,
+      "str_min_supported": 100,
+      "items": [ { "item": "splinter", "count": [ 2, 8 ] }, { "item": "nail", "charges": [ 5, 10 ] } ]
+    }
+  },
   {
     "type": "terrain",
     "id": "t_floor_primitive",