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The Simply Auto Rubber Underbody Coat is an essential maintenance product for vehicle owners looking to extend the lifespan of their car, van, 4x4, or trailer by preventing rust and corrosion. It offers a heavy-duty, rubberized barrier that shields critical undercarriage components from moisture, road salt, and abrasive stone chips, all while providing subtle sound-deadening benefits. While highly effective, users should note that the application process requires careful surface preparation to ensure the coating adheres correctly and remains durable over time.
| Model Part Number | SP-042A |
|---|---|
| Brand | Simply |
It is not recommended to paint over this product, as it is designed as a final, flexible protective layer.
Yes, you must remove loose or flaking rust with a wire brush or sandpaper to ensure the product adheres properly to the metal.
Touch-dry time typically takes a few hours, but it is recommended to let the vehicle stand for 24 hours before exposing it to road debris.
No, this product is not heat-resistant and should not be applied to exhausts or engine components.
For most clean metal surfaces, no primer is required, provided the metal is clean, dry, and free of oil.
A 1-litre container is usually sufficient for touching up high-risk areas, but a full chassis coating on a large 4x4 may require multiple litres.
This usually indicates the surface was not properly cleaned or was still wet/oily before application. Remove the loose coating, degrease, dry, and re-apply.
The product may be too thick or the gun nozzle is too small. Thin the product slightly if recommended, or clean the nozzle thoroughly with appropriate solvent.
This is often caused by applying the product in temperatures that are too low or in high-humidity environments. Ensure the vehicle is in a dry, well-ventilated space above 15°C.
Before starting, the vehicle underbody must be thoroughly cleaned with a degreaser and allowed to dry completely. Any existing loose rust should be removed with a wire brush, and the surface must be free of grease, oil, and loose dirt for the coating to bond.
