Per Vertex Painting

Chris is teaching me how to do per vertex painting in Unreal.  He showed me the outcome and I looks absolutely amazing.  Our plan is to use this method on the floor.

The outcome of per vertex painting.  Its looks great.  There is a problem with the displacement map.  Apparently when you use this method your displacement maps need to be taken to the extreme.  Also this is a discrepancy between the bricks and grout.  The grout in some cases appears higher than the bricks. 

The 3 Tiled Textures that I created: