The general requirements for surface preparation of concrete, metal and wood surfaces before application of floor systems, tank linings, coatings or membranes are described. For additional information, refer to the specific Data Sheet for the system being installed. Proper surface preparation is necessary for the successful performance of all protective systems. Proper system selection for the job requirements, quality and condition of substrate are equally important for the success of the application. Surface preparation procedures must comply with all local, state and federal environmental regulations.