Frame Painting

DropTopDon

TJ Enthusiast
Joined
Nov 7, 2019
Messages
642
Location
VA
I have some minor to moderate rust on my frame mostly just surface rust and it isn't too bad at all. It bothers me though and I want it to look clean and black and be free of rust. Before this winter I want to have my frame painted and ready for the salty roads ahead. I know POR 15 is the best option for the job but I am quite broke and don't have the money to buy some. I do have 4 cans of black Pro Grade Rustoleum Undercarriage paint. According to the can it stops corrosion and prevents rust. If I were to sand down the rust on the frame and clean it thoroughly would it be okay for me to just use the paint I already have? or would it serve no real benefit. thank you.
 
Anything you can do to protect the frame is an advantage to you down the road. No need for professional results.
 
The condition of the outside of the frame is purely cosmetic, so anything you have to make it look better like paint will be fine. Cleaning and treating the inside of the frame is where you will protect the Jeep most.
 
The condition of the outside of the frame is purely cosmetic, so anything you have to make it look better like paint will be fine. Cleaning and treating the inside of the frame is where you will protect the Jeep most.
aside from pressure washing the inside, how could I treat and clean the inside of the frame?
 
aside from pressure washing the inside, how could I treat and clean the inside of the frame?

Drill drain holes, get all the junk out that you possible can, and fluid film or other internal frame coating like eastwood. Drain holes are the most important part though.
 
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Rustoleum is good stuff. ;) I used a wire wheel attachment to clean up everything, Eastwood inside, Walmart cheapo stop rust paint outside and drilled 4 holes in the frame on mine 3 years ago when I bought it.


Rustoleum.jpg

Rubi frame paint 1.jpg


Rubi frame holes.jpg
 
Last edited:
I used rustoleum on my frame up to front axles. Going to finish it when I pull bumper off to repaint. Like they said it rots from inside out, but I like a cleaner look. Here is a before and after, had to do the best I could with transfer case drop until I can afford to remove it.

7D06DDEB-3E9C-4011-89FF-E35806AE58A1.jpeg


B16B71D3-5657-4838-814B-22FC96656DFF.jpeg
 
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I don't know the prices, and i dont know if it is better or worse than anything else, but i will throw in this as an option that i did:
quart of EASTWOOD RUST ENCAPSULATOR PLUS
can or two of EASTWOOD RUST ENCAPSULATOR BLACK AEROSOL
Total $86

quart of encapsulator plus was enough to coat entire frame and what ever else, and a spray can for spots where brush could not reach + an extra spray on layer on top of encapsulator plus cause it is not UV resistant and spray paint is.