diff --git a/library/Director/Objects/Extension/FlappingSupport.php b/library/Director/Objects/Extension/FlappingSupport.php
new file mode 100644
index 00000000..74b366a1
--- /dev/null
+++ b/library/Director/Objects/Extension/FlappingSupport.php
@@ -0,0 +1,38 @@
+<?php
+
+namespace Icinga\Module\Director\Objects\Extension;
+
+use Icinga\Module\Director\IcingaConfig\IcingaConfigHelper as c;
+
+trait FlappingSupport
+{
+    /**
+     * @param $value
+     * @return string
+     * @codingStandardsIgnoreStart
+     */
+    protected function renderFlapping_threshold_high($value)
+    {
+        return $this->renderFlappingThreshold('flapping_threshold_high', $value);
+    }
+
+    /**
+     * @param $value
+     * @return string
+     */
+    protected function renderFlapping_threshold_low($value)
+    {
+        // @codingStandardsIgnoreEnd
+        return $this->renderFlappingThreshold('flapping_threshold_low', $value);
+    }
+
+    protected function renderFlappingThreshold($key, $value)
+    {
+        return sprintf(
+            "    try { // This setting is only available in Icinga >= 2.8.0\n"
+            . "    %s"
+            . "    } except { globals.directorWarnOnceForThresholds() }\n",
+            c::renderKeyValue($key, c::renderFloat($value))
+        );
+    }
+}
diff --git a/library/Director/Objects/IcingaHost.php b/library/Director/Objects/IcingaHost.php
index fb1bcc7d..a9e9c278 100644
--- a/library/Director/Objects/IcingaHost.php
+++ b/library/Director/Objects/IcingaHost.php
@@ -8,9 +8,12 @@ use Icinga\Module\Director\Data\PropertiesFilter;
 use Icinga\Module\Director\Db;
 use Icinga\Module\Director\IcingaConfig\IcingaConfig;
 use Icinga\Module\Director\IcingaConfig\IcingaLegacyConfigHelper as c1;
+use Icinga\Module\Director\Objects\Extension\FlappingSupport;
 
 class IcingaHost extends IcingaObject
 {
+    use FlappingSupport;
+
     protected $table = 'icinga_host';
 
     protected $defaultProperties = array(
@@ -79,11 +82,6 @@ class IcingaHost extends IcingaObject
         'retry_interval' => 'retry_interval',
     );
 
-    protected $numericProperties = array(
-        'flapping_threshold_high' => 'flapping_threshold_high',
-        'flapping_threshold_low'  => 'flapping_threshold_low',
-    );
-
     protected $supportsCustomVars = true;
 
     protected $supportsGroups = true;
diff --git a/library/Director/Objects/IcingaObject.php b/library/Director/Objects/IcingaObject.php
index 79cb9ddd..9a2a27c3 100644
--- a/library/Director/Objects/IcingaObject.php
+++ b/library/Director/Objects/IcingaObject.php
@@ -106,16 +106,6 @@ abstract class IcingaObject extends DbObject implements IcingaConfigRenderer
      */
     protected $intervalProperties = array();
 
-    /**
-     * Array of numeric property names
-     *
-     * Those values will be put out as raw numbers to Icinga 2's config.
-     * Array expects (propertyName => renderedKey)
-     *
-     * @var array
-     */
-    protected $numericProperties = array();
-
     /** @var  Db */
     protected $connection;
 
@@ -151,11 +141,6 @@ abstract class IcingaObject extends DbObject implements IcingaConfigRenderer
         return array_key_exists($property, $this->booleans);
     }
 
-    public function propertyIsNumeric($property)
-    {
-        return array_key_exists($property, $this->numericProperties);
-    }
-
     public function propertyIsInterval($property)
     {
         return array_key_exists($property, $this->intervalProperties);
@@ -1672,26 +1657,6 @@ abstract class IcingaObject extends DbObject implements IcingaConfigRenderer
     /**
      * @codingStandardsIgnoreStart
      */
-    protected function renderFlapping_threshold_high()
-    {
-        return $this->renderFlappingThreshold('flapping_threshold_high');
-    }
-
-    protected function renderFlapping_threshold_low()
-    {
-        return $this->renderFlappingThreshold('flapping_threshold_low');
-    }
-
-    protected function renderFlappingThreshold($key)
-    {
-        return sprintf(
-            "    try { // This setting is only available in Icinga >= 2.8.0\n"
-            . "    %s"
-            . "    } except { globals.directorWarnOnceForThresholds() }\n",
-            c::renderKeyValue($this->numericProperties[$key], c::renderFloat($this->$key))
-        );
-    }
-
     protected function renderLegacyHost_id()
     {
         return $this->renderLegacyRelationProperty(
@@ -1865,13 +1830,6 @@ abstract class IcingaObject extends DbObject implements IcingaConfigRenderer
             );
         }
 
-        if ($this->propertyIsNumeric($key)) {
-            return c::renderKeyValue(
-                $this->numericProperties[$key],
-                c::renderFloat($value)
-            );
-        }
-
         if (substr($key, -3) === '_id'
              && $this->hasRelation($relKey = substr($key, 0, -3))
         ) {
diff --git a/library/Director/Objects/IcingaService.php b/library/Director/Objects/IcingaService.php
index aa025f3b..7a99027e 100644
--- a/library/Director/Objects/IcingaService.php
+++ b/library/Director/Objects/IcingaService.php
@@ -10,9 +10,12 @@ use Icinga\Module\Director\Data\PropertiesFilter;
 use Icinga\Module\Director\IcingaConfig\IcingaConfig;
 use Icinga\Module\Director\IcingaConfig\IcingaConfigHelper as c;
 use Icinga\Module\Director\IcingaConfig\IcingaLegacyConfigHelper as c1;
+use Icinga\Module\Director\Objects\Extension\FlappingSupport;
 
 class IcingaService extends IcingaObject
 {
+    use FlappingSupport;
+
     protected $table = 'icinga_service';
 
     protected $defaultProperties = array(
@@ -82,11 +85,6 @@ class IcingaService extends IcingaObject
         'retry_interval' => 'retry_interval',
     );
 
-    protected $numericProperties = array(
-        'flapping_threshold_high' => 'flapping_threshold_high',
-        'flapping_threshold_low'  => 'flapping_threshold_low',
-    );
-
     protected $supportsGroups = true;
 
     protected $supportsCustomVars = true;