Mine turned out great. Very easy to clean. I had the flakes laid out on top of the floor (not sealed) so that it provided traction when wet. The flakes are laid down on top of the clear coat and sink in far enough so that they are secure.
PAST 2007 Black Sapphire E90 335i - BMS - JB+
PAST 2010 Jerez Black E92 M3
PAST 2012 Mineral White E92 M3
PAST 2013 Singapore Grey F10 M5
CURRENT 2016 Azurite Black F80 M3 - Vorsteiner - KW - IND - BMS