Protect your vehicle from Wisconsin's harsh winters with professional rustproofing and undercoating services at Bradle's Auto Spa. We offer Fluid Film, WoolWax, and FEYNLAB Industrial undercoating options to help protect against road salt, moisture, and corrosion.
Fluid Film & WoolWax Undercoating
Both Fluid Film and WoolWax are lanolin-based products designed to protect exposed undercarriage components from rust and corrosion. Fluid Film offers a penetrating, flexible protective barrier, while WoolWax provides a thicker coating that adheres to underbody surfaces. Both are excellent options based on customer preference, with periodic maintenance and reapplication recommended every 1–2 years.
Fluid Film Rustproofing
Separate from undercoating, our Fluid Film rustproofing protects enclosed body cavities, including doors, rocker panels, seams, and other hard-to-reach areas where corrosion often begins. This service can be combined with either undercoating option for additional protection.
FEYNLAB Industrial Ceramic Undercoating
For long-term protection, FEYNLAB Industrial is a clear, ceramic-based coating designed to bond to properly prepared surfaces and provide up to 10 years of durability and warranty coverage. Unlike traditional undercoating, it does not require routine reapplication every 1–2 years. An annual maintenance inspection is required to maintain warranty coverage.
Our Process
Every service begins with thorough undercarriage cleaning and preparation. We remove applicable liners, shields, and components to access corrosion-prone areas before professionally applying your selected protection.
All completed services are documented on CARFAX, helping maintain a record of your vehicle's care and protection.
Rustproofing and undercoating services start at $400. FEYNLAB Industrial pricing varies by vehicle.
Please reach us at bradlesauto@gmail.com if you cannot find an answer to your question.
While both services help protect your vehicle from corrosion, they protect different areas. Rustproofing targets the inside of your vehicle by treating doors, rocker panels, seams, body cavities, and other enclosed areas where moisture and road salt can collect. Undercoating protects the exposed underside of your vehicle, including the frame, suspension, wheel wells, and other underbody components from rust, salt, and road debris. Together, they provide complete corrosion protection.
Yes. New vehicles leave the factory with varying levels of corrosion protection, but none are immune to Wisconsin's road salt and winter conditions. Applying rustproofing and undercoating early helps protect your investment before corrosion has a chance to begin
Unlike quick spray applications, we believe preparation is essential. We thoroughly clean and blow out the undercarriage before removing wheel liners, splash shields, skid plates, and the spare tire (when applicable) to access hidden corrosion-prone areas. Every removed component is professionally reinstalled and torqued to manufacturer specifications for a thorough, high-quality installation.
Most rustproofing and undercoating services are completed within one business day, depending on the vehicle's size, condition, and any additional protection services being performed.
Pricing varies based on vehicle size and the level of protection selected. Rustproofing and undercoating services start at $400.
Proper preparation helps ensure maximum coverage and long-term protection. At Bradle's Auto Spa, we thoroughly clean the undercarriage, remove loose dirt and debris, and remove components such as wheel liners, splash shields, skid plates, and the spare tire (when applicable) to access areas that many quick spray applications miss. This allows us to provide more complete protection and helps Fluid Film® reach the areas where corrosion commonly starts.
N3020 Vandenbroek Road, Unit B | Appleton, WI 54913
(920) 585-5762
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