I've normally just scraped, primed (Rustoleum), and used a finish coat of enamel paint (Rustoleum) to maintain the frame in the under-carriage area of the trailer. Usually have to repeat every 2-3 years. Does anybody have any ideas how I can protect the under-carriage area with better materials?

Darryl

I haven't give this a lot of thought, living in Tucson and not driving on salted roads.

But, have you thought of using undercoating paint? I think it should be more protective than "standard" paint and I think you can get it in spray cans.

- Jack

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Hi-Lo 1707T - Tire Minder TPMS on Tow Vehicle and Trailer, 300W Solar Battery Charger, Equal-i-zer WDH, Progressive Dynamics Converter, Fan-Tastic Fan, LiFePO4 battery 12V DC Electrical System, SoftStartRV mounted on A/C
2024 F150 Platinum FX4 3.5L PowerBoost SCrew

I think that Jack is right . undercoating that they spray in pickup truck beds would work for that project.

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Paul Schoenfelder
Fort Pierre,South Dakota

The material they spray in truck beads is not undercoat, but rather a resilient polyurethane that is applied 3/16 to 1/4 inch thick, usually installed by a professional but is available as a roll on ... and expensive (ie Rino Linings). Undercoat is a tar like petroleum product that is used to deter rust and provide sound deadening to the under-body of your truck. I believe undercoating is available in rattle cans. I guess either would work, I guess!

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John

2007-22T TowLite 50th Anniversary
2008 Nissan Frontier SE 4X4 Crew Cab, Snug Top

I wonder how this would work.

Herculiner Truck Bed Liners

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"Ruben"
2404T, 2003 2500HD 4X4 GMC Sierra SLT Crew Cab w/Astro camper shell and 2003 Chevy Tahoe LE 4X2
Far West Texas