FLUID FILM BLACK® is formulated for the specific purpose of Vehicle Underbody Protection from rust and corrosion. Use as preventative maintenance on your 4wd, car, truck, trailer, caravan & heavy machinery or to cover existing surface rust whilst providing protection from further deterioration.

FLUID FILM BLACK® protects your vehicle while restoring a rich black colour to the chassis, it will cover unsightly existing surface rust. Not only does it look great, but it’s easy to see where you’ve applied it. The back tint helps to visually ensure even coverage.

The non-drying barrier creeps and migrates into tight seams and into the metal chassis to provide corrosion protection from moisture, humidity, mud, salt and salt water. Formulated from specially processed wool-wax (Lanolin), the long-lasting product contains no solvents, will not dry out, crack, chip, peel or flake unlike hard coatings. Fluid film will penetrate to the base of all metals, providing corrosion protection from both natural and industrial atmospheres.

Only a thin coat of fluid film needs to be applied. As fluid film is based on a natural product it will break down with detergents and high-pressure steam. We simply recommend using a low-pressure hose to wash under the vehicle. Fluid Film Black® is compatible with the original Fluid Film and can be used in conjunction with each other. Fluid Film Black® can be applied over existing areas previously treated with the original Fluid Film® coating.

Fluid Film should be reapplied at least once per year, preferably in spring as heat helps the fluid film flow better. Depending on environmental factors and where vehicle is used this time frame will vary. Apply a coating of Fluid Film Black to the structural frame and suspension components. This includes the frame, drive shaft, axles, floor pans, and suspension components (avoid exhaust components and brakes). We recommend using the original fluid film to be applied inside of door frames and in panels. Apply inside chassis frame holes and above metal components where salt and moisture can hide.