diff --git a/libnymea/interfaces/closable.json b/libnymea/interfaces/closable.json
new file mode 100644
index 00000000..71e89f4c
--- /dev/null
+++ b/libnymea/interfaces/closable.json
@@ -0,0 +1,17 @@
+{
+    "states": [
+        {
+            "name": "state",
+            "type": "String",
+            "allowedValues": ["open", "closed", "opening", "closing"]
+        }
+    ],
+    "actions": [
+        {
+            "name": "open"
+        },
+        {
+            "name": "close"
+        }
+    ]
+}
diff --git a/libnymea/interfaces/door.json b/libnymea/interfaces/door.json
new file mode 100644
index 00000000..244e7153
--- /dev/null
+++ b/libnymea/interfaces/door.json
@@ -0,0 +1,14 @@
+{
+    "extends": "closable",
+    "states": [
+        {
+            "name": "latched",
+            "type": "bool"
+        }
+    ],
+    "actions": [
+        {
+            "name": "unlatch"
+        }
+    ]
+}
diff --git a/libnymea/interfaces/garagegate.json b/libnymea/interfaces/garagegate.json
index 819342ea..051f95b0 100644
--- a/libnymea/interfaces/garagegate.json
+++ b/libnymea/interfaces/garagegate.json
@@ -1,18 +1,12 @@
 {
+    "extends": "closable",
     "states": [
         {
-            "name": "gateState",
-            "type": "String",
-            "allowedValues": ["open", "closed", "intermediate", "opening", "closing"]
+            "name": "intermediatePosition",
+            "type": "bool"
         }
     ],
     "actions": [
-        {
-            "name": "open"
-        },
-        {
-            "name": "close"
-        },
         {
             "name": "stop"
         },
diff --git a/libnymea/interfaces/interfaces.qrc b/libnymea/interfaces/interfaces.qrc
index fca3439c..be88076a 100644
--- a/libnymea/interfaces/interfaces.qrc
+++ b/libnymea/interfaces/interfaces.qrc
@@ -27,6 +27,8 @@
         <file>inputtrigger.json</file>
         <file>outputtrigger.json</file>
         <file>power.json</file>
+        <file>closable.json</file>
+        <file>door.json</file>
     </qresource>
     <qresource prefix="/"/>
 </RCC>