Rio Tinto Hope Downs 4
Project Overview
The Rio Tinto Hope Downs 4 mess and commercial kitchen facility in the Pilbara, Western Australia, faced a compound heat problem due to the region’s extreme climate. The metal roof routinely exceeded 60° driving significant heat into the dining areas and requiring HVAC systems to run constantly to maintain comfort. Additionally, the facility suffered from water ingress, corrosion at fasteners and joints, and high energy demand leading to increased Scope 1 emissions. To address these challenges, Powerhouse Renewables Group implemented a high-performance thermal insulation and waterproofing solution during a three-day application in December 2024.
Key Benefits Delivered
- Significant Energy Reduction: Achieved a 37% reduction in cooling demand and energy consumption as measured on monitored distribution boards.
- Surface Temperature Control: Successfully lowered maximum roof surface temperatures from 62.8° to 44.8°, a total drop of 18°.
- Environmental Impact: The project is estimated to avoid 730t CO2-e/yr across the asset, equivalent to planting approximately 2,264 trees.
- Structural & Safety Improvements: Reduced thermal expansion and contraction cycles to protect fixings and sheeting, while also eliminating burn hazards for maintenance technicians.
- Immediate Waterproofing Success: Effectively eliminated leaks through targeted repairs at laps, fasteners, and penetrations, passing a significant storm test immediately post-installation.
Scope of Works
- Thermal Insulation Application: Applied Thermoshield, an Australian-made ceramic thermal insulation coating, to the mess roof to impede heat flow and flatten daytime energy peaks.
- Roof Preparation & Repair: Conducted comprehensive minor roof repairs and rust conversion at vulnerable junctions, including fasteners and gutters.
- Waterproofing Program: Installed a high-quality, weather-resistant sealant to address primary leak paths and prevent water ingress during summer storms.
- Operational Execution: Completed all works over a three-day period with zero disruption to site operations or meal service peaks.
- Warranty & Compliance: Delivered the project with a 10-year warranty on the waterproofing and coating system
Before & After Results
Client Outcome
“A high-impact energy and emissions improvement delivered without operational disruption.”
At Rio Tinto Hope Downs 4, the application of a true ceramic thermal coating delivered measurable improvements in energy efficiency and heat management across the facility. By significantly reducing roof surface temperatures and limiting heat transfer into the building, the project helped decrease cooling demand in one of the Pilbara’s most extreme climates.
The coating solution provided an effective insulation-first approach that improved internal comfort conditions while supporting Rio Tinto’s sustainability and operational efficiency goals.
The project demonstrated how advanced ceramic coating technology can directly contribute to Scope 1 emissions reductions by lowering energy consumption required for cooling and ventilation systems.
Contact Us
Thermoshield Australia Pty Ltd
Factory 11, 42 Mills Road, Dandenong, VIC 3175
Email: gavin@thermoshield.com.au
Phone: 0417 563 955
Website: thermoshield.com.au
