Rubberized Undercoating

[ramdough]

Anyone have any experience with rubberized undercoating? Suggestions?

I am thinking of spraying above my rear tires (not on a stock bed).


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[chucky]

What are you wanting it to do ? It holds mud and dirt in it pours to the point if your trying to make things look clean you have to pressure wash it to get it clean . You can screw/glue/rivet hard plastic mudflap material to the bottom of your bed/camperhttps://www.amazon.com/Buyers-Polymer-Flaps-Rigs-Trucks/dp/B06XRJHFF1?ref_=ast_sto_dp $27 a pair on amazon

 

[87cr250r]

GM has been using gelled calcium sulfonate as an undercoating lately. It's self-healing and can be applied to marginally prepared surfaces.

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It's wax-like so you don't want to use it in places it might rub off on you like engine compartments.

 

[coachgeo]

ifffff.... your going to coat..... yuo need something that sticks extremely well..... and ABSOLUTELY prevents air AND water from getting behind it. Hence why most these days use quality bed liner-ish Poly? stuff (rubber bits embedded or not) stuff. And you want to coat it in a large enough manner the stuffs edge fits a way so it is physically harder for water/air to penetrate at that edge/paint line.

 

[Wingnut13]

I don’t know where you are located. But here in New England that stuff is a no go if you like your vehicle. It just takes one rock or ding to let water/salt corrosion to start. The. That spot grows…quickly. In the Southwest probably not a problem.

 

[GeneralDisorder]

Rubberized coating is a HUGE fail. It generally just results in sealing in the moisture and salt and causes worse corrosion - any minor rock chip will cause corrosion to spread under it. The best choices are self-healing surface coatings like Fluid-Film, Blaster Surface Shield, or a wax based coating like Cosmoline.

Please don't use rubberized coatings. It will destroy your truck.

 

[87cr250r]

The key is to assume no coating can be 100% defect free. Zinc based coatings are the only ones that can protect a defect. You best system would be an inorganic zinc coating with calcium sulfonate wax topcoat.

 

[ramdough]

Thanks all. No undercoat. I have red oxide primer. Will probably just paint and touch up as needed. At least I can see what is happening before I do more.


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