Applying nonstick coatings is a very complex process that has to be handled precisely. Although GMM designs its products to be very "user friendly", of course from time to time there will be minor problems in application. This is very normal, and with slight adjustments usually any application problems can be easily corrected.
Here you can view some footage of a typical nonstick coating primer being applied in a normal industrial production environment. After applying the primer, the coating would be flash dried followed by the topcoat application and final curing.