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Transforming Box Hill TAFE Bridge with a Fresh Exterior Metal Painting

Project Snapshot

Client: Box Hill TAFE 
Location: 465 Elgar Road, Box Hill VIC 
Service: Commercial Protective Coating & Exterior Steel Restoration 
Main Challenge: Pedestrian Bridge Connecting Campus Buildings
Services Provided: Commercial protective coatings, exterior steel painting, surface preparation, corrosion protection, elevated access works
Outcome: Restored and protected for long-term durability

Protecting a High-Use Campus Asset from Ongoing Weather Exposure

The pedestrian bridge at Box Hill TAFE connects two key campus buildings and is used daily by students, staff and visitors. Years of exposure to Melbourne's weather had left the exterior steelwork with peeling paint and visible rust, affecting both its appearance and long-term protection.

Our Assessment

During our inspection, we found the bridge's exterior steelwork showing clear signs of weathering, with peeling paint and visible rust across exposed surfaces.  

Before any new coating could be applied, it was essential to prepare the surfaces correctly. Without proper preparation, contaminants, loose paint and deteriorated coatings can compromise adhesion and reduce the long-term performance of a protective coating system.

Restoring Weathered Steel Required More Than a Fresh Coat of Paint

While the bridge's peeling paint and visible rust affected its appearance, they also highlighted the importance of restoring the existing protective coating before further weather exposure could take its toll. 

Simply painting over deteriorated surfaces would not provide the long-term durability expected from a commercial protective coating system.

Achieving a lasting result depended on thorough surface preparation and careful application across the bridge's exposed steelwork. The elevated structure also required specialised access equipment to ensure every area could be safely prepared and coated to a consistent standard.

Watch the Transformation: Box Hill TAFE Footbridge’s Stunning Commercial Painting Makeover

The painting process followed a meticulous three-coat system:

  • Primer: One coat of Dulux 1Step Prep Water Based Primer, Sealer & Undercoat was applied to create a solid foundation for the topcoats.
  • Topcoats: Two coats of Dulux Weathershield were then applied, known for its exceptional durability and weather resistance, ensuring the bridge would withstand the harsh outdoor elements.

A Proven Coating System Designed to Last

Achieving a durable, long-lasting finish required more than simply applying new paint. We followed a proven preparation and coating process to ensure the bridge's exposed steelwork was protected against ongoing weather exposure.

Surface Preparation

Before any coatings were applied, the bridge was thoroughly washed using sugar soap to remove dirt, grime and surface contaminants. Proper surface preparation created a clean foundation for the new coating system and helped maximise its long-term performance.

Dulux 1step® Prep Water Based Primer, Sealer & Undercoat

One coat of Dulux 1Step Prep Water Based Primer, Sealer & Undercoat was applied to create a solid foundation for the coating system. The primer promotes strong adhesion between the prepared surface and the protective topcoats, helping deliver a durable, long-lasting finish.

Dulux Weathershield®

To complete the system, we applied two coats of Dulux Weathershield. Chosen for its exceptional durability and weather resistance, it provides a tough protective finish that helps defend the bridge against Melbourne's harsh outdoor conditions while restoring its appearance.

Every stage of the project was completed with careful attention to detail to ensure a consistent, high-quality finish across the entire structure.

Safe Access Was Essential to Delivering a Quality Result

Working on an elevated pedestrian bridge required the right equipment and a strong focus on safety. To deliver the project safely and efficiently, we:

Used a 26-foot scissor lift to safely access all areas of the bridge.

Prepared and coated the elevated steelwork with precision and consistency.

Followed strict safety protocols throughout the project to ensure the works were completed safely and efficiently.

A Restored Bridge Built for Years to Come

The completed project transformed the appearance of the Box Hill TAFE pedestrian bridge while providing a durable protective coating system designed to withstand Melbourne's weather conditions.

With the existing steelwork restored and protected, the bridge is better equipped to resist ongoing weather exposure, helping preserve its appearance and support its long-term performance as an important piece of campus infrastructure.

Frequently Asked Questions

Can a weathered steel bridge be restored instead of replaced?
In many cases, yes. If the underlying steel remains structurally sound, restoring the existing asset with a commercial protective coating system can be a practical and cost-effective alternative to replacement. A professional inspection is the best way to determine the most appropriate solution.
How do I know if a commercial steel structure needs recoating?
Common signs include peeling or flaking paint, visible rust, fading, chalking and other signs of weathering. Identifying these issues early allows maintenance to be planned before deterioration becomes more extensive.
How do protective coatings help extend the life of steel structures?
Protective coatings provide a barrier that helps shield steel from moisture, UV exposure and weathering. When properly specified, applied and maintained, they can help preserve the structure and reduce ongoing maintenance requirements.
Why is surface preparation so important before applying a protective coating?
Surface preparation removes contaminants, loose paint and deteriorated coatings that can affect adhesion. A properly prepared surface helps the new coating system bond effectively, improving its long-term performance and durability.
How long does a commercial protective coating system last?
The lifespan of a protective coating system depends on factors including environmental exposure, the condition of the substrate, the coating specification, the quality of the application and ongoing maintenance. Regular inspections help determine when maintenance or recoating is required.
What should I look for when choosing a commercial protective coatings contractor?
Look for a contractor with experience in commercial and industrial projects, proven surface preparation methods, appropriate coating system recommendations, strong safety practices and a track record of delivering durable, long-term asset protection.