I sprayed the underside of my 2015 RCSB with Duplacolor bed liner and a few top coats of Rustoleum Gloss black paint. Works awesome but is messy to do. If you want to go further, Eastwood company makes Internal Frame Coating that works well. Can be had on Amazon
I live in maine and if your looking for rust protection we use fluid film. The stuff is amazing its a 1 time a year job and u can spray on suspension components ect as is a lubricant also. Its the only stuff that truly works.
I had Rust Check sprayed on, holes drilled in sills, doors and tail lights removed by shop to reach those places salt loves. OP is also in salt belt. It's more than just coating your frame... you have to get in all the nooks and crannys.
2012 Larimee: I am on my second front bumper under warrenty with rust spots showing in less than 4 months. Is anyone else having similar issues? The factory side steps seam to be having the same issue. Doest appear that there are any recalls on these items yet. Truck has been rust proofed by...
Starting to look into buying an undercoat product to do the underneath and wheel wells of my 2014 Ram 2500 before salt season is upon us here in the Northeast. Wondering if anyone has experience with asphalt based products as opposed to rubberized products?
I used a rubber based aerosol spray...
In my old Tundra I removed the caps on top of the rear bumper and low and behold, lots of rust. Makes sense, lots of moisture etc gets trapped.
Two days ago removed them on my 2015 RAM and sure enough, I had rust forming under there too that I had to deal with.