Fluid Film 1 Gallon Can Rust Inhibitor Rust Prevention Anti Corrosion Anti Rust Coating Undercoating Underbody Rust Proofing Corrosion Protection for Truck Snow Blower Mower Car Semi Tractor Bus

(612 reviews)

Price
$43.94

Quantity
(10000 available )

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100 Ratings
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Reviews
  • AmyC

    > 3 day

    Great price @ $40 a gallon! Went to purchase a second one and the price increased over $5 a gallon. Found it locally for $40 and will get my second one there. If they drop to $40 again that would be the best. Great stuff as I undercoated my truck with it for the winter. OK, So I want to give an update a few days after the application. I see some negative reviews that state the first rain storm and all the Fluid Film is gone. We just had a snow storm here in New England and I spent plenty of time on the roads and highways including 3 hours of driving HWY 95 with salt and snow a couple of nights ago. This morning I checked the wheel wells and the fluid film is still there. I will keep posting through the winter to give updates. So far....I am overjoyed. Update! It has been two weeks now and I have driven through some wicked weather. A lot of salted roads and the film is still in the wheel wells. Wanted to update on how much I used on the truck. We own a 2016 F350 crew cab which is a really big pickup truck. The wheelbase is the longest in its class so there is more area to cover than an average pickup truck. I use 6 cans of spray with the 24 wand in the tight places, doors and rocker panels. Then in the wide open undercarriage, I sprayed a full gallon and I warmed it up before pouring into the sprayer. I used a cheap $40 Harbor Freight sprayer which I included a picture. You can find a 20% off coupon online to get it cheaper. I will post updates as the winter season goes on.

  • Dusty

    Greater than one week

    Applied easily. Nice consistency. Repels water.

  • McRuvin

    Greater than one week

    This is my first experience with undercoating but since I bought a gently used Chevy 2500HD and I live in northern Ohio I felt that I should protect my vehicle for the long haul. Firstly, I overbought. I got 2 gallons and planned on doing my truck, a small suv and a Honda Fit. Well after heating up the oil and using a spray gun, I used a single canister which I believe to be about 32 oz on my truck, that figure counts for 2 coats as well. I’m not too sure on some of you saying you used a whole gallon because I can’t see how that’s feasible unless it was brushed on (definitely not spending that kind of time on that big of a vehicle.) all in all, I have plenty of product for the next few years at least. The viscosity from the cold initially was like pudding but after heating it up with a turbo heater it became very maple syrup like. Do that and you’ll have no issues. Use a tarp too! It protects from overspray and you can easily slide around on the concrete lol Update March 2019 The rust proofing seemed to stay on during the winter. My fine mist did well from what the eye can see and as a tester to see how long it would last, I put it on the face of my tires much like a tire shine, and when I get my truck washed the tires still shine where I applied it! So screw all other tire foams just use this. I’ll be applying it again next fall for sure. Also it appears the price fluctuated based on demand by $10 so something to consider. I think the next time I apply the product I’ll try to find another way to make it very thin and sprayable, like a heating probe or a hot knife tool? I’m open to suggestions because kerosene is expensive and smelly. Good product!!

  • JC

    > 3 day

    Use this for under my 08 plow truck, helps keep the winter grime and salt from sticking to the undercarriage and keeps the rust down. Also bought the spray gun kit to make it easier to apply.

  • whofan

    Greater than one week

    Has kept my 2006 F150 rust free. Must be reapplied annually in areas the can be washed off. Better than undercoating that can encapsulate a problem unseen. not a strong lasting smell, but a funky smell no less. Great product that does nothing to change the vehicle from what the factory intended it to be. Undercoating once applied is there whether its a good thing or bad. I like this solution for protection.

  • fjhh

    > 3 day

    I warmed the gallon and sprayer in the oven at 120 degrees. It is cool/cold out to be spraying. Warming makes it go very well. Not flammable is huge, smell is ok, doesnt make a mess in the garage. I have an f150, a gallon went fast, needed two gallons, probably over applying. I am using a 5hp 30 gallon sprayer at 120psi, covers an area very fast.

  • hdjoe

    23-04-2025

    have used before, will use again

  • Shay

    > 3 day

    Use this stuff every year to cost under my vehicles. I use a sprayer gun to make quick work of it. It gets messy, it gets everywhere... Luckily it comes off anything pretty fast with hot water. Thats however bad news for our cars. A couple car washes and this stuff is basically completely washed off the underside... Even without getting the underside wash.

  • Kevin trieu

    > 3 day

    This is more then I am asking for. The whole can seem like it will take for ever to finish it. The cost to less then the spray can.

  • JimBow

    > 3 day

    I have had my cars sprayed by local shops in the past, but due to rising cost and scheduling a day to go without a car, I decided to do it myself. It worked pretty well I bought a sprayer on Amazon. Bought a gallon of fluid film. And sprayed my F150 and mazda3 with one gallon. 3/4 went on the truck and the rest on the mazda3. The prep to spayspraying was washing the underside of each car with a pressure washer the day before, setting the fluid film can in the Sun on a 75degree day for an hour, mixing it thoroughly then spraying it on. I set my pressure at 80 psi and it went on nicely at 80 psi.

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