diff --git a/src/blenderbim/blenderbim/bim/data/libraries/IFC4 Demo Library.ifc b/src/blenderbim/blenderbim/bim/data/libraries/IFC4 Demo Library.ifc
index f5fa134024..bd0231ced3 100644
--- a/src/blenderbim/blenderbim/bim/data/libraries/IFC4 Demo Library.ifc	
+++ b/src/blenderbim/blenderbim/bim/data/libraries/IFC4 Demo Library.ifc	
@@ -67,11 +67,11 @@ DATA;
 #60=IFCMATERIALPROFILESET($,$,(#62),$);
 #61=IFCRELASSOCIATESMATERIAL('09FXUZCnrFEffxBrtg16gx',$,$,$,(#59),#60);
 #62=IFCMATERIALPROFILE($,$,#20,#58,$,$);
-#63=IFCSLABTYPE('1Akbal7tP5DAPW0ti$Qp30',$,'FLR150',$,$,$,$,$,$,.NOTDEFINED.);
+#63=IFCSLABTYPE('1Akbal7tP5DAPW0ti$Qp30',$,'FLR200',$,$,$,$,$,$,.NOTDEFINED.);
 #64=IFCMATERIALLAYERSET((#66),$,$);
 #65=IFCRELASSOCIATESMATERIAL('0jzkXlkBL4HhmQ_FTWW6Cj',$,$,$,(#63),#64);
 #66=IFCMATERIALLAYER(#20,0.2,$,$,$,$,$);
-#67=IFCSLABTYPE('0$gpYNi3T08BrxaR67CxgI',$,'FLR250',$,$,$,$,$,$,.NOTDEFINED.);
+#67=IFCSLABTYPE('0$gpYNi3T08BrxaR67CxgI',$,'FLR300',$,$,$,$,$,$,.NOTDEFINED.);
 #68=IFCMATERIALLAYERSET((#70),$,$);
 #69=IFCRELASSOCIATESMATERIAL('3a6kjEM29DleYTlSkA8_DK',$,$,$,(#67),#68);
 #70=IFCMATERIALLAYER(#20,0.3,$,$,$,$,$);
diff --git a/src/blenderbim/blenderbim/bim/data/templates/projects/IFC4 Demo Template.ifc b/src/blenderbim/blenderbim/bim/data/templates/projects/IFC4 Demo Template.ifc
index f5fa134024..bd0231ced3 100644
--- a/src/blenderbim/blenderbim/bim/data/templates/projects/IFC4 Demo Template.ifc	
+++ b/src/blenderbim/blenderbim/bim/data/templates/projects/IFC4 Demo Template.ifc	
@@ -67,11 +67,11 @@ DATA;
 #60=IFCMATERIALPROFILESET($,$,(#62),$);
 #61=IFCRELASSOCIATESMATERIAL('09FXUZCnrFEffxBrtg16gx',$,$,$,(#59),#60);
 #62=IFCMATERIALPROFILE($,$,#20,#58,$,$);
-#63=IFCSLABTYPE('1Akbal7tP5DAPW0ti$Qp30',$,'FLR150',$,$,$,$,$,$,.NOTDEFINED.);
+#63=IFCSLABTYPE('1Akbal7tP5DAPW0ti$Qp30',$,'FLR200',$,$,$,$,$,$,.NOTDEFINED.);
 #64=IFCMATERIALLAYERSET((#66),$,$);
 #65=IFCRELASSOCIATESMATERIAL('0jzkXlkBL4HhmQ_FTWW6Cj',$,$,$,(#63),#64);
 #66=IFCMATERIALLAYER(#20,0.2,$,$,$,$,$);
-#67=IFCSLABTYPE('0$gpYNi3T08BrxaR67CxgI',$,'FLR250',$,$,$,$,$,$,.NOTDEFINED.);
+#67=IFCSLABTYPE('0$gpYNi3T08BrxaR67CxgI',$,'FLR300',$,$,$,$,$,$,.NOTDEFINED.);
 #68=IFCMATERIALLAYERSET((#70),$,$);
 #69=IFCRELASSOCIATESMATERIAL('3a6kjEM29DleYTlSkA8_DK',$,$,$,(#67),#68);
 #70=IFCMATERIALLAYER(#20,0.3,$,$,$,$,$);
diff --git a/src/blenderbim/scripts/generate_demo_library.py b/src/blenderbim/scripts/generate_demo_library.py
index 15fda40220..add4fa246d 100644
--- a/src/blenderbim/scripts/generate_demo_library.py
+++ b/src/blenderbim/scripts/generate_demo_library.py
@@ -89,8 +89,8 @@ class LibraryGenerator:
         profile = self.file.create_entity("IfcCircleProfileDef", ProfileType="AREA", Radius=0.3)
         self.create_profile_type("IfcPileType", "P1", profile)
 
-        self.create_layer_type("IfcSlabType", "FLR150", 0.2)
-        self.create_layer_type("IfcSlabType", "FLR250", 0.3)
+        self.create_layer_type("IfcSlabType", "FLR200", 0.2)
+        self.create_layer_type("IfcSlabType", "FLR300", 0.3)
 
         profile = self.file.create_entity(
             "IfcRectangleProfileDef", ProfileName="500x600", ProfileType="AREA", XDim=0.5, YDim=0.6