Here is a helpful video giving you a quick rough how to on solder grinding fluxing zinc.
													
																	How to solder zinc sheet metal. 
									
																	Looking to use a stainless steel perforated sheet metal for a hip vent on a copper standing seam roof. 
																	Feel free to ask me any questions you have in the comments. 
																	I try to answer all questions in a ti. 
																	This how to video details the method of touch up and repair using zinc based solder. 
															
													
									
																	Here is a helpful video giving you a quick rough how to on solder grinding fluxing zinc. 
																	Learn the basics of soldering two pieces of metal together. 
																	What flux should be used.