Applying Fluid Film to a wet vehicle won’t inherently “hurt” it in the immediate sense, like causing rust or corrosion. However, optimal performance and longevity of the Fluid Film application are compromised, making it highly discouraged. Moisture interferes with the bonding process, reducing the effectiveness and lifespan of the rust preventative.
Understanding Fluid Film and Its Application
Fluid Film is a lanolin-based rust and corrosion preventative known for its ability to creep into crevices, displace moisture, and provide a protective barrier against environmental elements. Its non-drying formula allows it to remain active, constantly working to prevent rust. Successful application hinges on proper surface preparation, ensuring a clean, dry surface that allows Fluid Film to adhere effectively.
The Crucial Role of a Dry Surface
For Fluid Film to perform as intended, it must directly bond with the vehicle’s surface. When moisture is present, Fluid Film is forced to compete for adhesion, resulting in a weaker bond. This diluted bond is then prone to premature wash-off and reduced protection against corrosive elements like salt and road grime.
Potential Issues with Wet Application
Applying Fluid Film to a wet surface can lead to several problems:
- Reduced Adhesion: Moisture prevents the Fluid Film from properly adhering to the metal, leading to premature wash-off and requiring more frequent reapplications.
- Dilution of Fluid Film: Water dilutes the Fluid Film, reducing its concentration of active rust-inhibiting ingredients. This diluted formula provides less effective protection.
- Trapped Moisture: Applying Fluid Film over existing moisture can trap that moisture against the metal, potentially exacerbating rust issues in the long run, despite Fluid Film’s moisture-displacement properties.
- Uneven Coverage: Water droplets can cause the Fluid Film to bead up and create uneven coverage, leaving some areas vulnerable to corrosion.
- Shorter Lifespan: Due to the compromised bond and diluted formula, Fluid Film applied to a wet surface will not last as long as when applied to a dry surface.
Frequently Asked Questions (FAQs) About Fluid Film and Wet Surfaces
FAQ 1: What happens if I accidentally spray Fluid Film on a slightly damp surface?
If the surface is only slightly damp, meaning a minimal amount of residual moisture, the impact might be minimal. Fluid Film has some moisture displacing properties. However, it’s best practice to thoroughly dry the area as soon as possible before applying more Fluid Film for optimal coverage and bond strength. Use a clean, dry cloth to remove any visible water.
FAQ 2: Can I use a heat gun or hair dryer to dry the vehicle before applying Fluid Film?
Yes, using a heat gun (carefully, on a low setting and keeping a safe distance) or a hair dryer is an excellent way to ensure a dry surface. Aim for gentle warming to evaporate moisture without overheating the metal. Ensure the surface is cool to the touch before applying Fluid Film to avoid issues with application.
FAQ 3: Is it better to apply Fluid Film in the summer or winter?
Fluid Film can be applied in both summer and winter. In summer, the warmer temperatures can help Fluid Film creep and penetrate more effectively. In winter, it’s especially beneficial for protecting against road salt, but ensure the vehicle is thoroughly dry, and preferably warmed slightly, before application.
FAQ 4: How long should I wait after washing my vehicle before applying Fluid Film?
Ideally, wait at least 24 hours after washing to ensure all moisture has evaporated, especially in hard-to-reach areas. If you’re in a humid environment, you may need to wait longer. A thorough inspection of common rust-prone areas like seams and undercarriage crevices is key.
FAQ 5: Can I apply Fluid Film in the rain?
Absolutely not. Applying Fluid Film in the rain would completely negate its effectiveness. Rainwater will wash away the product before it can properly adhere to the metal.
FAQ 6: Does Fluid Film eventually dry out?
Fluid Film is designed to be a non-drying product. It remains pliable and active, constantly working to prevent rust. Over time, it may attract some dirt and grime, but it will not dry out completely like other rust preventatives.
FAQ 7: Can I apply Fluid Film over existing rust?
Yes, Fluid Film can be applied over existing rust. It will help to stop the spread of rust by penetrating and coating the affected area. However, removing loose rust beforehand will improve the product’s effectiveness and longevity. Wire brushing or sanding the surface to remove flaky rust will give the Fluid Film a better surface to bond to.
FAQ 8: What’s the best way to prepare my vehicle for Fluid Film application?
The best preparation involves washing your vehicle thoroughly to remove dirt, salt, and grime. Then, ensure the vehicle is completely dry, either by waiting for it to air dry or using a heat gun or hair dryer. For optimal results, consider degreasing the undercarriage with a suitable degreaser before washing.
FAQ 9: How often should I reapply Fluid Film?
The reapplication frequency depends on your driving conditions and the severity of the environment. Generally, a yearly application is recommended for vehicles exposed to harsh winter conditions with heavy road salt usage. However, in milder climates, you may be able to reapply every other year. Visual inspection of the undercarriage will give a clearer indication.
FAQ 10: Will Fluid Film harm rubber or plastic components on my vehicle?
Fluid Film is generally considered safe for rubber and plastic components. However, it’s always best to test a small, inconspicuous area first to ensure there are no adverse reactions. Prolonged exposure to certain types of rubber may cause softening.
FAQ 11: Can I use Fluid Film inside enclosed spaces like rocker panels and door panels?
Yes, Fluid Film is excellent for protecting enclosed spaces like rocker panels and door panels. Its creeping ability allows it to reach into tight crevices and provide thorough coverage. Using a spray wand extension can help to reach deep into these areas.
FAQ 12: What if I notice some Fluid Film has washed off in certain areas?
If you notice areas where Fluid Film has washed off, especially after driving in wet conditions, simply reapply Fluid Film to those areas. This is a normal part of maintaining the protection, and spot treatments are perfectly acceptable. Pay particular attention to areas that are frequently exposed to water and road spray.
Conclusion: Dry is Best
While applying Fluid Film to a wet vehicle might not cause immediate damage, it significantly diminishes its effectiveness and longevity. Always prioritize a clean, dry surface for optimal adhesion and long-lasting rust protection. Taking the time to properly prepare your vehicle will ensure that Fluid Film performs as intended, keeping your vehicle protected from the damaging effects of rust and corrosion for years to come.