diff --git a/Components/Hlms/Pbs/src/OgreHlmsJsonPbs.cpp b/Components/Hlms/Pbs/src/OgreHlmsJsonPbs.cpp
index 657b083cbf0..4aeeda0fed6 100644
--- a/Components/Hlms/Pbs/src/OgreHlmsJsonPbs.cpp
+++ b/Components/Hlms/Pbs/src/OgreHlmsJsonPbs.cpp
@@ -368,6 +368,10 @@ namespace Ogre
                                            changeBlendblock );
         }
 
+        itor = json.FindMember( "refraction_strength" );
+        if( itor != json.MemberEnd() && itor->value.IsNumber() )
+            pbsDatablock->setRefractionStrength( static_cast<float>( itor->value.GetDouble() ) );
+
         itor = json.FindMember( "clear_coat" );
         if( itor != json.MemberEnd() && itor->value.IsObject() )
         {
@@ -837,6 +841,9 @@ namespace Ogre
             outString += "\n\t\t\t}";
         }
 
+        outString += ",\n\t\t\t\"refraction_strength\" : ";
+        outString += StringConverter::toString( pbsDatablock->getRefractionStrength() );
+
         if( pbsDatablock->getClearCoat() != 0.0f )
         {
             outString += ",\n\t\t\t\"clear_coat\" :\n\t\t\t{";
diff --git a/Docs/2.0/JSON/PbsAllSettings.json b/Docs/2.0/JSON/PbsAllSettings.json
index f7a35ad2528..6844652d0eb 100644
--- a/Docs/2.0/JSON/PbsAllSettings.json
+++ b/Docs/2.0/JSON/PbsAllSettings.json
@@ -63,6 +63,7 @@ including invalid combinations (i.e. having a Metallic texture and a Specular te
             "shadow_const_bias" : 0.01,
             "two_sided"  :  false,
             "receive_shadows"	:	true,
+            "refraction_strength" : 0.2,
 
             "workflow" : "specular_ogre" "specular_fresnel" "metallic",
 
diff --git a/Docs/src/manual/HlmsPBSDatablockReference.md b/Docs/src/manual/HlmsPBSDatablockReference.md
index 908f91e2755..1ba792350cb 100644
--- a/Docs/src/manual/HlmsPBSDatablockReference.md
+++ b/Docs/src/manual/HlmsPBSDatablockReference.md
@@ -79,6 +79,12 @@ Reference Guide: HLMS PBS Datablock {#hlmspbsdatablockref}
             - If switching from the 'default' BRDF implementation, the scene will be too bright. If so, divide light power by PI.
 - **DEFAULT="default"**
 
+## Parameter: refraction_strength
+
+- Value of type float
+- See Ogre::HlmsPbsDatablock::setRefractionStrength
+- **DEFAULT=0.075**
+
 ## Parameter: detail_diffuse[X] {#dbParamDetailDiffuse}
 - Name of the detail map to be used on top of the diffuse colour
 - Can contain up to 4 detail_diffuse blocks (`detail_diffuse0` to `detail_diffuse3`)
@@ -263,6 +269,8 @@ Reference Guide: HLMS PBS Datablock {#hlmspbsdatablockref}
             "macroblock" : "macroblock_name",
             "macroblock" : ["macroblock_name", "macroblock_name_for_shadows"],
             "shadow_const_bias" : 0.01,
+            
+            "refraction_strength" : 0.2,
       
             "brdf" : "default",
             "detail_diffuse0" :