Undercoating truck

1100011CS

Well-Known Member
Oct 5, 2007
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Marshalltown
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What is the stuff he suggested instead of the rubberized?
 

Acylum

Well-Known Member
Nov 18, 2006
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Have you used this stuff?
No, I’m in Iowa. After I’ve driven on treated roads I just go to a car wash that has an undercarriage wash or just wash it myself.
Edit- to be clear, I haven’t used it as an undercarriage treatment, but used it in lots of other applications such as exposed electrical connections like trailer lights, on rotors to keep wheels from seizing, universal hitch and attachments to keep them from rusting, lots of others. Really good stuff.
 
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2020cy

Well-Known Member
Aug 7, 2006
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Watch Fargo, don’t get screwed over paying for the trucoat.
 

CYEATHAWK

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Aug 26, 2007
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Can you get undercoating on a vehicle that already has some surface rust?

If it's just surface on the frame or floorboards, clean off any dust/dirt and apply some Extend rust treatment. Then apply the undercoating. Make sure you/they.....for the lack of a better term......"caulk" any pinch welds. What works great for undercoating is that spray on bedliner. All this is messy if you DYI....but it saves a boatload of money and you can do exactly what you want.
 
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VTXCyRyD

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Sep 2, 2010
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Have you used this stuff?
I use it. It works well on my truck. It needs to be reapplied every fall. It will only last about 6 months because it can get washed off after repeated car washings. You can also apply over surface rust and it will help to slow it down. I believe the Canadian DOT uses it on their trucks, or they did at one time.
 
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