I used a gun called the Flake Buster. You can also mix the flake with the clear coat and spray it with a regular paint gun. With the flake gun you put a wet coat of clear down and then you spray the dry flake on to it and then more clear over it. I may try it with just adding the flake to the clear this time because spraying the dry flake seemed to waste a lot of it. I had an orange metal flake floor after painting. I still find it when sweeping.