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Old 04-18-2015, 07:31 AM   #1
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Clean & Paint Propane Tank

Now that good weather has finally arrived in New England I'm ready for some projects. One that I would consider is cleaning and re coating my propane tank. Mine is located right behind the passenger front tire. Since the bottom is open it is subjected to a lot of road garbage. Consequently the original paint has peeled and the tank is now rusty. Is there a safe, recommended way to clean the rust up as much as possible and then recoat the tank ? Is it OK to use some type of rubberized coating on it to try to prevent it from happening again ?
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Old 04-18-2015, 07:38 AM   #2
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exp date

i would check the expiration date first and then proceed.


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Old 04-18-2015, 08:50 AM   #3
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Quote:
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i would check the expiration date first and then proceed.





Jim

If its permanently mounted there is no expiration date, it falls under different regs. On my old class c I just wire brushed it, wiped it dry-then painted. I used black stop rust type paint from Walmart then painted it white. It looked good till the day I sold it.


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Old 04-18-2015, 09:03 AM   #4
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Yes it is permanently installed and I was aware of the regs for it. Been down that road already and thanks to this forum I became educated in that respect. Thanks for the info on how you went about it. Did you wire brush it by hand ?
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Old 04-18-2015, 09:19 AM   #5
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I did mine with epoxy spray paint. I like your idea of using bedliner. Maybe paint the entire tank first and then put bedliner on the bottom side?
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Old 04-18-2015, 09:30 AM   #6
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On my last rig I took it to a shop for powder coating. Most excellent and tough finish in any colour you like, off white for me.
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Old 04-18-2015, 01:09 PM   #7
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I use OsPhos to coat the rust prior to painting. You can usually get a quart or less at Ace Hardware... it's the consistency of water and a little goes a long ways


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Old 04-18-2015, 04:23 PM   #8
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I just used a hand wire brush but you could use a drill mounted one. Either way works. I only had to do the bottom of mine. The top side in the compartment was still ok. Have fun.


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Old 04-18-2015, 04:32 PM   #9
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Do not use anything that is thick or rubbery. Remember that the liquid to gas conversion requires heat to get to the liquid through the tanks walls. keep the paint thin. We did ours last year and wire brush it followed with a treatment by Ospho or rust treatment by permatex to convert any rust to back to paintable iron.
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Old 04-18-2015, 05:29 PM   #10
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Liquid propane, changes to gas at -44 degrees. It don't need any extra heat.
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Old 04-19-2015, 02:41 PM   #11
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Liquid propane, changes to gas at -44 degrees. It don't need any extra heat.
That is true but the rate at which it changes is important, if you get the tank too insulated the heat transfer will not be fast enough to keep pressure up.
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