benm Posted May 9, 2014 Share Posted May 9, 2014 I am just wondering if there is any product that you can spray on a galvanized trailer to further protect it from corrosion. For any electrical connections, the first thing I do is put on dielectric grease and it definitely helps protect against corrosion. Wheel bearings etc, keep greased. But for the general galvanized metal, I always see corrosion begin to form especially in the corners or areas where there are welds as this seems to be the place where salt water doesn't get rinsed off properly. Would be good if there was something I could spray in these areas. Link to comment Share on other sites More sharing options...
spaners Posted May 9, 2014 Share Posted May 9, 2014 Google penetrol.Great stuff. Link to comment Share on other sites More sharing options...
brickman Posted May 9, 2014 Share Posted May 9, 2014 my old man sprayed his with fish oil now it looks like crap but it has not rusted cheers gary Link to comment Share on other sites More sharing options...
austral Posted May 10, 2014 Share Posted May 10, 2014 fish oil is the go. just talk to your local smash repairs.. Link to comment Share on other sites More sharing options...
Fab1 Posted May 10, 2014 Share Posted May 10, 2014 I am just wondering if there is any product that you can spray on a galvanized trailer to further protect it from corrosion. For any electrical connections, the first thing I do is put on dielectric grease and it definitely helps protect against corrosion. Wheel bearings etc, keep greased. But for the general galvanized metal, I always see corrosion begin to form especially in the corners or areas where there are welds as this seems to be the place where salt water doesn't get rinsed off properly. Would be good if there was something I could spray in these areas.Any photo's of what your dealing with?Sent from my GT-I8730T using Tapatalk Link to comment Share on other sites More sharing options...
benm Posted May 10, 2014 Author Share Posted May 10, 2014 Google penetrol.Great stuff. I'll give this a shot. my old man sprayed his with fish oil now it looks like crap but it has not rusted cheers gary fish oil is the go. just talk to your local smash repairs.. Okay, well I won't be using this because once my old man sprayed the bottom of my car with this including behind the fenders and bumper. Shortly afterwards the dog chewed the fenders and bumper thinking it was a giant sardine. Link to comment Share on other sites More sharing options...
Guest Aussie007 Posted May 10, 2014 Share Posted May 10, 2014 I'll give this a shot. Okay, well I won't be using this because once my old man sprayed the bottom of my car with this including behind the fenders and bumper. Shortly afterwards the dog chewed the fenders and bumper thinking it was a giant sardine. lmao good one made me laugh because my old staffy also chewed my mud guards off my car Link to comment Share on other sites More sharing options...
pjbink Posted May 10, 2014 Share Posted May 10, 2014 Fish oil will degrade and wash off too quickly. A product called Tectyl is the go. You only have to do the vulnerable bits which are those that get dipped into the water. Remember the water can get inside the frame as well. Link to comment Share on other sites More sharing options...
ko76 Posted May 12, 2014 Share Posted May 12, 2014 I sprayed mine with industrial strength lanolin applied with a normal air power spray gun. The dust sticks to it a bit so doesnt look shiny but its still greasy/sticky 6 months later. Water beads off it. Link to comment Share on other sites More sharing options...
darynxbcoupe Posted May 12, 2014 Share Posted May 12, 2014 I sprayed mine with industrial strength lanolin applied with a normal air power spray gun. The dust sticks to it a bit so doesnt look shiny but its still greasy/sticky 6 months later. Water beads off it. Lanolin is the go, I have coated all my trailers with this and never rusted yet Link to comment Share on other sites More sharing options...
Paikea Posted May 13, 2014 Share Posted May 13, 2014 Lanolin is the go, I have coated all my trailers with this and never rusted yet I coated the trailer for my Trailcraft boat with Lanolin. Unfortunately after some months the galvanising started to show patches of white powder under the Lanoline. It got so bad that there was not a single part of the Trailer that was not affected. It was obvious that the galvanising was being corroded so I took it back to the dealer and after some investigation the trailer was replaced. No one had a clue what caused the corrosion, one theory was that the Lanolin was put on without washing the salt from the Trailer but as I had hosed it and let it dry that did not seem to be the cause. I do live in an area very close to the ocean and we get a lot of salt laden mist to the point that we are constantly having to hose the aluminium windows, our cars etc. I have sprayed Tectyl over my current Trailer and find it to be A1. problem is getting it. Some Repco stores have a limited stock (1 or 2 cans) but will order it in for you. When you use the cans you may need to clean the nozzles by soaking them in Turps. They clog up very easily which is a right pain. Cheers Paikea Link to comment Share on other sites More sharing options...
Juggs Posted May 14, 2014 Share Posted May 14, 2014 the gal coating is sacrificial, it degrades to protect the trailer if the gal doesnt degrade then your steel will rust remove the sources of corrosion and your gal will last longer moisture salt dissimilar metals ie dont park the boat on the lawn, or under a heavy tarp that makes the enviroment more humid under the trailer Link to comment Share on other sites More sharing options...
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