I spray my son's 06 LJ; it is not lifted and sits on 30s. I wear a respirator and eye protection. I spray the entire underneath, inside the frame rails and inside the body cavities. I have a decent sprayer with a wand attachment that I can feed into the frame and other openings. It makes short work of the process.I just acquired a 2018 Recon with only 6300 miles on it. The undercarriage looks very good and my aim is to make this rig last an eternity and not ever look like my old 2010JKU that I just parted with. She started her life in NH and the frame was very rusted.
So a question about applying FF yourself. The Recon is stock height and I do not have lifts or jack stands. Can you actually get this job done with the Jeep resting on the tires? I am thin so I can move around under the Jeep but it ain’t easy and I imagine it gets worse when you are spraying. Do you need a respirator when applying?
I've sprayed my old YJ too; this will be the first year spraying the JKU. Should be pretty easy since it is lifted and sits on 35s.