I use it on all my vehicles. Unfortunately I sold my FJ last year and picked up a Wrangler (long story) but I had the Wrangler, my Silverado and my wife's Outback all done with NH Oil Undercoating. I'm really happy with it. It doesn't harden like other wax based or rubber based undercoating products. It does actually seep into the metal the way they advertise and continues to creep into crevices after application. They sprayed the inside of the doors on the Wrangler and even after almost a year the oil will still creep out a little bit. The downside is you're supposed to reapply it yearly so there is that added cost. For the little that it costs I think it's worth it. I live in NH and they use a lot of salt up here so I like the idea of something to protect the metal.Has anyone used NH OIL? If so how is it?
My 09 has a very bad rust problem on the frame, actually, everywhere except the body.
What is the name of business? Do you know they have a location in Calgary?Hate to throw a wrench into this but I am going to anyway. There is a local business here (I have no affiliation with) who is using dry ice blasting (vapor blasting with dry ice media) to clean, prep, remove rust etc. Sublime Surfacing check their website IG for pics. Had a chance to check out his work firsthand and it was incredible. Might be someone in your area that can do or is doing something similar.