This will remove any dust and dirt from the surface of the sheet metal.
													
																	How to spray paint aluminum sheet pan. 
									
	
		
	
																	Place the primed metal into the oven on a flat aluminum baking sheet. 
																	The vinegar s acidity will further abrade. 
																	Apply aluminum metal treat to any bare areas. 
																	Remove any old paint. 
															
													
									
	
		
	
																	If you want to paint sheet aluminum you ll need to use a special kind of primer to rough up the surface or you will end up with a finish that will flake and peel rather quickly. 
																	Step 1 scrub any greasy or oily areas using a degreaser and a brush. 
																	Apply self etching primer then. 
																	Priming the surface 1. 
															
													
									
	
		
	
																	Sand the metal surface in a two stage process. 
																	Spray the sheet metal with white vinegar and wipe it down with a clean rag. 
																	Follow the instructions on the bottle. 
																	Purchase a can of self etching paint primer. 
															
													
									
	
		
	
																	Purchase a can of self etching primer. 
																	Polish with low grit to high grit until your standard is met. 
																	Wash the entire sheet aluminum surface using a pressure washer. 
																	Polish in the same direction and finish with scotch bright for a smooth finish. 
															
													
									
	
		
	
																	Thoroughly clean the aluminum. 
																	After much delay here is the video describing how i paint the cookie sheet reward systems for vipkid. 
																	Spray the metal with compressed air. 
																	Find a well ventilated work area and lay drop cloths to protect the surrounding. 
															
													
									
	
		
	
																	Cover any areas that you don t want painted with masking tape. 
																	Consult the primer manufacturer s instructions for recommended times. 
																	Find a well ventilated area to. 
																	If you need to mask off a large area cover it with. 
															
													
									
	
		
	
																	Bake the primer into the metal at 150 degrees for about 20 minutes or until the primer dries. 
																	It is not the same thing.