Underbody Rustproofing

UB302B Proofcoating

Beam-Endrust Heavy Duty Underbody Rustproofing conforms to Australian Standard AS2662.2 and is ideal for long-lasting corrosion protection of all new or preowned Passenger, Commercial & 4WD Vehicles. The use of advanced high-pressure spray equipment by professionally trained operators enables us to thoroughly treat the entire underbody and chassis including the inner surfaces of the chassis rails and cross members.

Why Choose Our Underbody Rust Protection?

  • Australian Standard Compliance: Our underbody rust protection is engineered to meet and exceed the requirements of Australian Standard AS2662.2. This means you’re investing in a product that adheres to the highest industry standards for quality and performance.
  • Versatile Protection: Whether you drive a passenger car, a commercial vehicle, or a rugged 4WD, our rust protection system is tailored to provide comprehensive coverage for all vehicle types.
  • Advanced Application: Our professionally trained operators utilize advanced high-pressure spray equipment to ensure a thorough and even application. Every nook and cranny of your undercarriage and chassis, including inner surfaces of chassis rails and cross members, receives the attention it deserves.
  • Long-Lasting Results: We’re committed to providing long-lasting corrosion protection. Our underbody rust protection forms an enduring barrier that keeps rust at bay for years, helping to prolong the life and value of your vehicle.


Endrust UB302B is a heavy-duty bituminous, thixotropic, anticorrosive sealant, ideally suited for the complete coating of the underside of all vehicle types. Typically the areas sprayed include:
  • The complete underbody and chassis.
  • Lower cavities of the front and rear guards.
  • Wheel arches, fuel, air, and hydraulic tanks
  • Transfer casing, driveline, axles, and differentials.
  • Suspension components, brake housings, and steering arms.
  • Fixing points for tow bars, bull bars, and side steps.
Endrust ML602 is a fogging style “Cavity Wax” purpose-designed to float and coat inside box sections and hard-to-access panels.
  • Inside Chassis rails and cross-members.
Options and Related Treatments
  • Upper Body Rustproofing – For extra peace of mind, our trained applicators can protect potential trouble spots such as inside doors, sills, pillars, side panels, engine bay and boot areas. We treat these areas in accordance with Australian Standard AS2662.2. using advanced high-pressure spray equipment.
  • CATIII Electronic Anti-Corrosion System – For a complete anti-corrosion solution, you should consider the advantages of installing a CAT System. Electronic Anti-Rust Systems can protect all those areas of your vehicle that cannot or shouldn’t be sprayed with chemical rustproofing such as the roof and upper body panels. Please enquire.
  • Rhino Lining – Polyurethane spray-on tray and surface coating – Ideal for inside load areas and to encapsulate and permanently protect high-impact areas such as bull bars, side steps, internal floor pans, mudguards, wheel arches, chassis rails, and most underbody components. Rhino Lining can be sprayed to any thickness, is slip-resistant, prevents Rust and Corrosion, is Waterproof and chemical resistant, and will not be damaged by flying debris or rocks – please enquire about how our Rhino Lining product can protect your vehicle.
Application and Drying Time: The entire application process can be completed in a day however we need to keep the vehicle overnight to ensure the coating has adequate time to dry… (Please note that vehicles with excessive mud or sand underneath or inside the chassis rails may incur an additional cleaning fee and take longer to complete). (Note: The above specification was last revised 1/3/2024 and should be used as a guide only. Some procedures may be altered or omitted for specific vehicle types or due to special customer requests. Beam reserves the right to alter this specification at any time without notice if new products or techniques become available.)

Additional information

Pricing (Select Vehicle Type)

Single/Dual Cab, Wagons/SUV, Commuter Bus/LWB Van, Large American 4WD/SUV, Coaster Bus