Yes, galvanized is bad, but you can grind the galvanizing off on both sides and weld it with little or no zinc fumes. you only have to grind the weld area approx. 1 1/2 inches on both sides and it should be pretty safe. I think some of the epoxy coatings are worse than the galvanized. At any rate clean it good and you should be ok, orjust go and buy raw sheet metal from the steel supply and then you have no worries. If I worried about every piece of steel I welded I probably wouldn't have welded any thing together and I have welded almost every alloy known to man and welded nearly every working day. Tig..Mig. stick..Oxy-acetylene..Silver braze...Nearly all of it..I am 66 years old and retired and still welding in my garage and building chassis and what ever else I need to weld... I loved it when I started and I still love it. One day it may kill me but til then...Weld On....GlennK..
