diff --git a/homeassistant/components/cover/deconz.py b/homeassistant/components/cover/deconz.py
index 9fe65596336..89b29aa10a5 100644
--- a/homeassistant/components/cover/deconz.py
+++ b/homeassistant/components/cover/deconz.py
@@ -5,10 +5,10 @@ For more details about this platform, please refer to the documentation at
 https://home-assistant.io/components/cover.deconz/
 """
 from homeassistant.components.deconz.const import (
-    COVER_TYPES, DOMAIN as DATA_DECONZ, DATA_DECONZ_ID, DATA_DECONZ_UNSUB,
-    DECONZ_DOMAIN)
+    COVER_TYPES, DAMPERS, DOMAIN as DATA_DECONZ, DATA_DECONZ_ID,
+    DATA_DECONZ_UNSUB, DECONZ_DOMAIN, WINDOW_COVERS)
 from homeassistant.components.cover import (
-    ATTR_POSITION, CoverDevice, SUPPORT_CLOSE, SUPPORT_OPEN,
+    ATTR_POSITION, CoverDevice, SUPPORT_CLOSE, SUPPORT_OPEN, SUPPORT_STOP,
     SUPPORT_SET_POSITION)
 from homeassistant.core import callback
 from homeassistant.helpers.device_registry import CONNECTION_ZIGBEE
@@ -16,6 +16,8 @@ from homeassistant.helpers.dispatcher import async_dispatcher_connect
 
 DEPENDENCIES = ['deconz']
 
+ZIGBEE_SPEC = ['lumi.curtain']
+
 
 async def async_setup_platform(hass, config, async_add_entities,
                                discovery_info=None):
@@ -34,7 +36,10 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
         entities = []
         for light in lights:
             if light.type in COVER_TYPES:
-                entities.append(DeconzCover(light))
+                if light.modelid in ZIGBEE_SPEC:
+                    entities.append(DeconzCoverZigbeeSpec(light))
+                else:
+                    entities.append(DeconzCover(light))
         async_add_entities(entities, True)
 
     hass.data[DATA_DECONZ_UNSUB].append(
@@ -49,7 +54,10 @@ class DeconzCover(CoverDevice):
     def __init__(self, cover):
         """Set up cover and add update callback to get data from websocket."""
         self._cover = cover
-        self._features = SUPPORT_OPEN | SUPPORT_CLOSE | SUPPORT_SET_POSITION
+        self._features = SUPPORT_OPEN
+        self._features |= SUPPORT_CLOSE
+        self._features |= SUPPORT_STOP
+        self._features |= SUPPORT_SET_POSITION
 
     async def async_added_to_hass(self):
         """Subscribe to covers events."""
@@ -91,7 +99,11 @@ class DeconzCover(CoverDevice):
     @property
     def device_class(self):
         """Return the class of the cover."""
-        return 'damper'
+        if self._cover.type in DAMPERS:
+            return 'damper'
+        if self._cover.type in WINDOW_COVERS:
+            return 'window'
+        return None
 
     @property
     def supported_features(self):
@@ -127,6 +139,11 @@ class DeconzCover(CoverDevice):
         data = {ATTR_POSITION: 0}
         await self.async_set_cover_position(**data)
 
+    async def async_stop_cover(self, **kwargs):
+        """Stop cover."""
+        data = {'bri_inc': 0}
+        await self._cover.async_set_state(data)
+
     @property
     def device_info(self):
         """Return a device description for device registry."""
@@ -144,3 +161,26 @@ class DeconzCover(CoverDevice):
             'sw_version': self._cover.swversion,
             'via_hub': (DECONZ_DOMAIN, bridgeid),
         }
+
+
+class DeconzCoverZigbeeSpec(DeconzCover):
+    """Zigbee spec is the inverse of how deCONZ normally reports attributes."""
+
+    @property
+    def current_cover_position(self):
+        """Return the current position of the cover."""
+        return 100 - int(self._cover.brightness / 255 * 100)
+
+    @property
+    def is_closed(self):
+        """Return if the cover is closed."""
+        return self._cover.state
+
+    async def async_set_cover_position(self, **kwargs):
+        """Move the cover to a specific position."""
+        position = kwargs[ATTR_POSITION]
+        data = {'on': False}
+        if position < 100:
+            data['on'] = True
+            data['bri'] = 255 - int(position / 100 * 255)
+        await self._cover.async_set_state(data)
diff --git a/homeassistant/components/deconz/const.py b/homeassistant/components/deconz/const.py
index 617d231f92e..5462b5b61b9 100644
--- a/homeassistant/components/deconz/const.py
+++ b/homeassistant/components/deconz/const.py
@@ -16,7 +16,9 @@ CONF_ALLOW_DECONZ_GROUPS = 'allow_deconz_groups'
 ATTR_DARK = 'dark'
 ATTR_ON = 'on'
 
-COVER_TYPES = ["Level controllable output"]
+DAMPERS = ["Level controllable output"]
+WINDOW_COVERS = ["Window covering device"]
+COVER_TYPES = DAMPERS + WINDOW_COVERS
 
 POWER_PLUGS = ["On/Off plug-in unit", "Smart plug"]
 SIRENS = ["Warning device"]
diff --git a/tests/components/cover/test_deconz.py b/tests/components/cover/test_deconz.py
index 60de9cffdc1..e9c630823bd 100644
--- a/tests/components/cover/test_deconz.py
+++ b/tests/components/cover/test_deconz.py
@@ -13,7 +13,15 @@ SUPPORTED_COVERS = {
         "id": "Cover 1 id",
         "name": "Cover 1 name",
         "type": "Level controllable output",
-        "state": {}
+        "state": {},
+        "modelid": "Not zigbee spec"
+    },
+    "2": {
+        "id": "Cover 2 id",
+        "name": "Cover 2 name",
+        "type": "Window covering device",
+        "state": {},
+        "modelid": "lumi.curtain"
     }
 }
 
@@ -62,7 +70,7 @@ async def test_cover(hass):
     await setup_bridge(hass, {"lights": SUPPORTED_COVERS})
     assert "cover.cover_1_name" in hass.data[deconz.DATA_DECONZ_ID]
     assert len(SUPPORTED_COVERS) == len(COVER_TYPES)
-    assert len(hass.states.async_all()) == 2
+    assert len(hass.states.async_all()) == 3
 
 
 async def test_add_new_cover(hass):