Keep reading to find out about the most common flakes and why our concrete preparation is superior to all others. There are many flake/chip color options and the most common sizes are 1/4″ and 1/16″ flake. The most common size of flake used in garages is 1/4″. This diagram shows how this floor is installed. Projects done right start with the proper preparation and a concrete coating system is no different. Your floor may be concrete like all others but its current condition is unique to you.