Rust-Oleum 344763-4PK Automotive 2-in-1 Rust Reform & Seal, Quart, Black, 32 Fl Oz (Pack of 4)

This stuff is amazing. It dries quick to the touch and completely changed the undercarriage look of my Jeep. So far it is holding up well after a few washes and no new surface rust has shown through.

Great stuffVery effectGood for big jobsSpray cans for smaller jobs

Stuff works great, was able to get a lot of my truck. I’d suggest getting two though.

Pro: Product covered well, and you could tell from the smell that it was doing things differently than regular spray paint. Coating is a little bit rubbery, so it is what it says it is. Happy that it will prevent corrosion on my undercarriage. I lived in Colorado my whole life, then moved to Florida for school. it's been rough on my trucks frame,the combination of old road salts and the FL humidity. Am planning to undercoat my entire truck with it now, since this actually stops rust from continuing.Con: the can does not handle spraying upside down well, and it blows through propellant if held at any angle other than more or less vertically. The can still felt 70% full when it stopped spraying, so most of it went to waste on the one can I bought. Since I'll be putting it up on a lift later, I'll just finish spraying it then, where I can keep the can upright, but doing it in the driveway it ended up being wasteful.

This Rust-Oleum spray is a lifesaver! It works like magic to stop rust in its tracks and seals surfaces perfectly. The flat black finish looks great and blends seamlessly with automotive parts. Super easy to use, with excellent coverage. Highly recommend for anyone dealing with rust issues!

Very good product.

I purchased this product based on the great reputation that Rutoleum product have, this one is an exception, the paint itself is great, however, only when the spray can allows the paint to come out which is only the first 3 or 4 times that one presses the nozzle. After that you are stuck with an almost full can of wonderful paint that you can not use.I cleaned the nozzle with alcohol & pressurized air but even though the nozzle was clean & air went through the spray paint would not come out of the can. The paint seems to clog up inside of the can.

Paint sets easy and fast, used it on my rusted out Miata trunk, and would recommend sanding down the rusted bits to bear metal before application for added smoothness!