I bought 5 gallons of fluid film and treated 10 cars. I have a lift outdoors so I could pressure wash the car first and let it dry. I then inspected the cars at several intervals. At two months all the fluid film was gone. This is Northern Vermont. I did this because I was thinking of selling this service. Since it was so short lived I abandoned the idea. My feeling is that the hydraulic pressure the undercarriage sees at speed on sloppy roads combined with sand that seems to be pretty wide spread just blows the fluid film off. I even coated the blades of a freshly used two bottom plow that had shiny iron blades because I plowed a couple acres. The plow was sitting on a pallet off the ground outside where I store my tractor attachments. In two months the blades were orange with surface rust. Fluid film is sheep lanoline based. While not soluble in water lanoline does mix with water to form an emulsion. My feeling is water contact carries away a portion of the lanoline every time its encountered. So the lanoline washes off. The only way to prevent salt from destroying your car is just not to drive it in the winter. I have summer cars and winter beaters. Summer cars the brakes last 10 years. Winter beaters brakes last two years. Road salt is Vermonts biggest Jobs program. We pay people to drive 375 trucks to spread 23 tons per mile so that we can employ car repair and car dealers. We also rebuild our transportation infrastructure twice as fast as we should as salt attacks rebar in concrete. On top of this Vermont has a very stringent car inspection program and we dont require Snow tires. ITs really State sponsored terrorism and historically we hardly used any salt all the way up to 1960. Some how we survived with rear wheel drive cars and no road salt up to 1960. Now we have raised a population that cant drive in the winter without bare roads and our cars are lucky to last 10 years from new. Our Lake Champlain salinity has also doubled in the last 50 years. My neighbor had to drill a new well because road salt from State route 17 seeped into the area and rotted his well casing. IT cost 20K for a new well.

I live in the U.P. of Michigan and the salt is horrible up here. I've used Fluid Film for a few years and it works. I have a 2016 Ram 1500 that has resisted rusting for 6 years now.

I have Fluid Film professionally treated annually. It is worth it - they use professional spray applicators and get all the nooks and crannies. First time treatment is extensive - inside fenders, doors, and body panels. Annual application is a touch up. A warranty comes with the treatment. Pittsburgh Oil Undercoating in Monroeville PA. They don't recommend high pressure spray to clean undercarriage - just a gentle water spray to clean underneath. A prime area to rust on that truck is under the plastic fender flairs. It would be a PITA, but would best to remove them and apply fluid film to areas underneath them.

Those rockers will benefit if you get underneath the truck and pull the rubber plugs on the rockers and get inside. When done, put the plugs back. Like some said here already, rocker panels will rust from the inside out... especially GM trucks.

Rocker panels usually rust from the inside out. Stone chips rust from outside in. Spraying them with rust inhibitors definitely will slow the rust down. Cars and Trucks are the second most expensive item you will purchase. You have do everything to keep your vehicle in tip to shape.

You are doing your Rocker panels Wrong. Pull the rubber plugs out and use the red straw to spray the fluid film in the rockers .

Awesome video, I think this is pretty important in the northeast when most of the vehicles are eaten away by rust before they're used up. ACF-50 /corrosion-x is another great product for this.

Thanks so much!!!

I was told by my rust proofing tech at Krown,, to NOT wash the undercarriage throughout the winter months as it will remove the rust proofing.. when using the coin op washes .. Some say wash and some say dont. DO you wash the undercarriage in the winter as well through the car wash ?? I use my truck for salting almost daily in the winter months.

The best time to spray your vehicle with a rust inhibitor is after the winter in the spring. Your vehicle will be blocked with rust causing salt and moisture at this time, and that combined with the warmer weather wreaks havoc. Best to give her a good washing in the spring then spray the rust inhibitor.

I use jack stands even when using metal ramps.

PRODUCT IS CALLED "FLUID FILM"- POWERFUL RUST AND CORROSION PROTECTION

Need to do this before you ever get salt in the places you can’t see. Inside the panels that will retain the salts. In all the crevices that are hidden.

Its spray grease... some people use spray cooking grease like "Pam" available anyplace for only $3.99 a can

I'm in eastern Canada. I use 1 gallon per year on my truck. I'd love to have rust coverage requirements like you ! "It's not super toxic" lol... It's made from lambs wool wax......totally natural.

I bought an undercarriage cleaner that connects to my electric power wash and it’s way better than taking it to the car wash since the car wash undercarriage doesn’t spray much. Also taking your car into a drive thru car wash with salt still on your car will scratch the paint

Does this soften or weaken RUBBER hoses or Wire Covers ????? Thanks for the video🎉

Fluid Film black and Surface Shield are sticker I'm going to use that next.

how long does it stay on the truck? Does it survive the next automatic car wash?

I always feel like I can’t get it all lol

After you spray down the Carrier do you go ever washed on a bottom again.

What if it rains before it snows? Does the product wash away? Does this stick on like glue?

Hey boss, couple of questions. First did you paint your frame using the same process? Just laying under it and painting it or did you have the body lifted. Next after applying the fluid film do you wash the undercarriage throughout the winter or do you wait until spring?

Does that stuff mess with the nuts and bolts trying to take them off

A video about going to the car wash.

Will this spot a driveway .I heard it drips alot under the car your spraying.

can you spray it over any rubber like rub cover axel,,,,ty like ur video,

So you had double undercarriage wash for nothing? I mean if you had salt all over the truck it means the roads were already sprayed with salt. And when you drove back home with wet undercarriage you picked up the salt from the road. I rather wash it myself at home.

I like this fluid film product,but just 2 cans? I think i used 4 on my 75 lincoln town car.i sprayed innside the frame and bumpers also.and inside if fenders and doors

How long does it last for bro ? And can you still get car washes after the film application

Is it ok if the spray goes to the paint..?

We don't have problems like this in the south

Use tectyl mercasol

How often should I do this ?

Okay...so what happens when you go to the car wash a week later to get said salt off on a nice sunny winter day. All washes off again.

I use hydraulic oil spayed on with a paint sprayer it’s cheap, and runs into every seem and crevice. Give her the oil boys old mrs rust she doesn’t like the oil!

Not the best. There is still dirt in the corners. The car should be completely clean, otherwise you will encapsule the dirt

“Can do it in your driveway” .....”it’s best if you take it to a car wash”

Uhh who cares just throw it out and get a new one