Commercial vehicle washing is one of the most underappreciated aspects of fleet operations. Done correctly, a proper truck wash chemicals program protects asset value, extends equipment life, maintains regulatory compliance, and projects a professional image to clients and the public.
1-Step vs. 2-Step Truck Washing
2-Step Washing (Industry Standard)
Two-step washing involves applying two separate chemical compounds in sequence:
- Step 1 — Low-pH acid application: Attacks inorganic soils — road film, mineral scale, oxidation. Brightens and restores aluminum surfaces.
- Step 2 — High-pH alkaline application: Targets organic soils — diesel soot, oil film, grease. The combination lifts soil dramatically, reducing scrubbing and water required.
Two-step is particularly effective on stainless steel tanks, aluminum trailers, and chrome-trimmed vehicles. The result is a cleaner vehicle in less time with less water and labor.
1-Step Washing
One-step uses a single neutral or mildly alkaline cleaner. It’s faster but less effective on heavily soiled vehicles. Appropriate for lightly soiled vehicles with frequent wash cycles.
Aluminum Brighteners
Aluminum brighteners are acidic products that restore shine and luster to bare aluminum surfaces — trailers, tank bodies, running boards, and wheels. Over time, aluminum oxidizes and develops a dull, chalky appearance. Brighteners reverse this chemically.
- Follow dilution instructions precisely — these are acid products
- Never allow brightener to dry on a surface; rinse thoroughly
- Verify compatibility with your specific aluminum alloy with your supplier
Degreasers for Fleet Vehicles
Heavy equipment, refuse trucks, and construction fleet vehicles carry soils standard wash products can’t address: hydraulic fluid, gear oil, heavy grease, asphalt. Industrial degreasers are formulated for these applications.
- Water-based vs. solvent-based: Water-based is safer for operators; solvent-based offers more aggressive cutting power for heavy petroleum soils
- Dwell time: Most degreasers require minimum contact time — rushing the rinse reduces effectiveness
- Environmental compliance: Verify compatibility with your local wastewater treatment requirements
Building the ROI Case for Fleet Washing
- Asset value protection: Regular washing removes corrosive road salt before it causes long-term damage. Well-maintained fleets command higher resale values.
- DOT compliance: Commercial vehicles must be maintained for inspection. Excessive grime obscuring license plates or lighting is a compliance issue.
- Driver retention: Drivers take pride in clean, well-maintained equipment — it has real effects on morale and retention.
Talk to a Truck Wash Chemical Manufacturer
Chemex of Northern Illinois has been manufacturing commercial truck wash and fleet wash chemicals since 1974. Our American-made products are formulated for fleet operators and distributors. Our technical team works with fleets to build wash programs that fit their specific vehicles, routes, and operating environments.
Call us at 708-430-5544 or contact us online.