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Author Topic:   help fixing rusting galvanized trailer
weekendwarrior posted 11-17-2002 06:37 PM ET (US)   Profile for weekendwarrior   Send Email to weekendwarrior  
Is it close enough to whaler talk if it's the trailer that holds my whaler? ;)

Some areas of my galvanized trailer are starting to rust because the galvanize coating is coming off. It's an '88 used in salt water so it's held up well. What's the best way to fix this? I've considered sanding the rust and painting with rustolium (astetics not a major concern) and I've also seen galvanizing spray in a can like spray paint but I have no idea if it works? Please hit me with your suggestions!

jimh posted 11-17-2002 08:25 PM ET (US)     Profile for jimh  Send Email to jimh     
I use a cold-galvanizing spray in an aerosol can to maintain the finish on my galvanized trailer. If I drill a hole or otherwise abrade the galvanized finish, I touch it up with a fresh application of the spray.

In shopping for the spray, look for a spray can that has considerable weight. I found some so-called galvanizing compounds that weighed about the same as a can of spray paint, that is, not much metal content in them. The one I bought weighs a couple of pounds, much heavier than a similar sized can of spray paint.

weekendwarrior posted 11-20-2002 07:49 PM ET (US)     Profile for weekendwarrior  Send Email to weekendwarrior     
Thanks much for the info! I'm going to give the spray a try. The local trailer shop has a spray can but it doesn't feel much heavier than normal. Can you tell me which brand you have?
Popeye posted 11-21-2002 12:56 PM ET (US)     Profile for Popeye  Send Email to Popeye     
What jimh said. We use a product made by ZEP. Cold Galv Spray. What you are looking for is a product that is rich in zinc. Try welding supply houses, refrigeration, heating and air cond. supply houses.
DJS posted 11-21-2002 05:29 PM ET (US)     Profile for DJS  Send Email to DJS     

I've used Rust-Oleum, product Number on can is V2185. Below the name Rust-Oleum is says hard hat in the middle of a picture of a hard hat. It is a fast dry product and the term "ZINC-RICH" is also on the front of the can. I bought mine at Home Depot. Where my coupler was welded to the trailer frame it was rusting and I used it there and it has not rusted ( 4 month period ). I used a stainless steel wire brush to clean it to bright metal and then sparyed on the finish. I used a stainless brush to keep from leaving small particles of iron in the cleaned area.

Hope this helps.


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