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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Dec 2007 Posts: 166 Shop Shark | | Shop Shark Joined: Dec 2007 Posts: 166 | Being that I don,t have a lot of money,...will red oxide due on galvanized steel ? Thanks. Cheers  | | | | | Joined: Feb 2002 Posts: 12,029 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Feb 2002 Posts: 12,029 | galvanized metal requires pre-treatment before anything will stick, including epoxy, but if it's new, unoxidized or rusted, material, it doesn't need a primer, acrylic paints will adhere well after surface cleaning - pre-treat by washing with soapy water, rinse well, dry, then treat with a weak ammonia solution or strong vinegar solution, rinse again and dry, then sand, wipe well with a tack cloth, and paint
Bill | | | | | Joined: Jan 2013 Posts: 1,384 Shop Shark | | Shop Shark Joined: Jan 2013 Posts: 1,384 | I have always found an "etching" primer works best on Galvanized and aluminum. Zinc oxide was the standard for years but there is now some rattle can etching primer from Rustolium and Krylon that I tested and it works very well. Spray on clean metal just like any primer. | | | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
Check the Technical Data Sheet for the primer you are considering using over galvanized metal. In particular, if you use a self-etching primer, unless it is also a sealer, you will most likely want to put some sort of water-proof primer/sealer over it.
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