Sheet · 0.55–1 mm
Metallic — indicative fig. M·103
Fire A1 Non-combustibleEmbodied carbon 23kgCO₂e/kg HighCompressive 45MPa StructuralDesign life 80yr Durable
High-purity copper sheet available in three standard thicknesses for architectural cladding, roofing, and decorative applications. Offers exceptional durability, natural patina development, and superior corrosion resistance suitable for all Australian climate zones.
01 Physical
Density 8930kg/m³
Specific gravity 8.93
Porosity 0%
Water absorption 0%
Hardness 40
UV resistance Excellent
Chemical resistance Good
pH tolerance 5-9
Surface roughness 0.8µm
02 Mechanical
Tensile strength 220MPa
Compressive strength 45MPa
Flexural strength 290MPa
Shear strength 150MPa
Poisson's ratio 0.34
Impact resistance High
Creep resistance Good
03 Thermal
Thermal conductivity 401W/m·K
Specific heat 386J/kg·K
Thermal expansion 17×10⁻⁶/°C
04 Compliance & Fire First question
Combustibility class Non-combustible
Fire resistance level Non-combustible
Flame spread index 0
Smoke dev. index 0
Heat release rate 0
05 Sustainability & Health
Embodied carbon 23.2
Carbon footprint 2.6
Embodied energy 42MJ/kg
Water footprint 95L/kg
Recyclability 100%
Recycled content 30%
Renewable content 0%
Circular score 9
VOC emissions 0
Toxicity rating Non-toxic
LEED contribution 4
06 Durability · Cost · Logistics
Expected lifespan 80-100+ years
Maintenance interval Optional annual inspection
Warranty period Material defects only
Material cost (range) $65-95/m²
Material cost (per unit) $580/m²
Lead time 2-6 weeks
Lifecycle cost $3.50/m²/year
Annual maintenance $0.50/m²
Market availability Good
07 Assessment
Advantages
- 100+ year service life with minimal maintenance
- Non-combustible - suitable for BAL-FZ bushfire zones
- Develops protective patina requiring no painting
- 100% recyclable with high recycled content availability
- Excellent corrosion resistance in marine environments
- Natural antimicrobial properties
- Lightweight compared to tile roofing
- Superior malleability for complex architectural forms
- Low thermal expansion coefficient
- Compatible with rainwater harvesting systems
Constraints
- High initial material cost ($200-400/m² installed)
- Specialist installation required
- Susceptible to galvanic corrosion with dissimilar metals
- Can cause staining on adjacent materials during patination
- Expansion noise in temperature extremes
- Limited warranty coverage compared to other materials
- Long lead times for non-standard specifications
- Theft risk on construction sites
- Requires compatible fasteners and accessories
08 Applications
A1 Architectural roofing systems (standing seam, batten roll)
A2 Wall cladding and facade systems
A3 Flashings and weatherproofing details
A4 Gutters and downpipes
A5 Heritage building restoration
A6 Decorative architectural features
A7 Lightning protection systems
A8 Marine environment applications
A9 Bushfire-rated construction (BAL-FZ compliant)
A10 Green Star rated buildings
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.