Profiles · Sizes pending
Clay-Based — indicative fig. M·45
Fire A1 Non-combustibleEmbodied carbon Data pending Per-m² sourceCompressive 30MPa StructuralDesign life 75yr Durable
Natural clay roof tiles fired at >1000°C, non-combustible with 50-100 year service life. Suitable for all BAL ratings. High thermal mass, excellent acoustic properties. Major Victorian manufacturer: Monier Roofing.
01 Physical
Density 1800kg/m³
Specific gravity 2
Porosity 20%
Water absorption 7.5%
Hardness 5.5Mohs
UV resistance Excellent
Chemical resistance Excellent
pH tolerance 7pH
Surface roughness Variesµm
02 Mechanical
Tensile strength 4MPa
Compressive strength 30MPa
Flexural strength 24MPa
Poisson's ratio 0.2
Impact resistance Pass AS 1976
Creep resistance Excellent
03 Thermal
Thermal conductivity 1.07W/m·K
Specific heat 900J/kg·K
Thermal expansion 6.5×10⁻⁶/°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 0kW/m²
05 Sustainability & Health
Embodied carbon 44kg CO₂-e/m²
Carbon footprint 44kg CO₂-e/m²
Embodied energy 527MJ/m²
Water footprint 20L/m²
Recyclability 100%
Recycled content 0%
Renewable content 100%
Circular score 85%
VOC emissions 0g/L
Toxicity rating Non-toxic
LEED contribution 2points
06 Durability · Cost · Logistics
Expected lifespan 75years
Maintenance interval 5years
Warranty period 50years
Material cost (range) 80 – 150AUD/m²
Material cost (per unit) 3.75AUD/tile
Lead time 3weeks
Lifecycle cost 2.5AUD/m²/year
Annual maintenance 50AUD/year
Market availability Good
07 Assessment
Advantages
- Non-combustible material suitable for BAL-FZ
- 50-100 year proven service life
- High thermal mass (82-92 kJ/m²·K)
- Excellent acoustic insulation (30 dB reduction)
- Low maintenance requirements
- Colour-fast through-body colour
- 100% recyclable at end of life
- Salt-resistant for coastal applications
- No VOC emissions
- Termite and vermin proof
Constraints
- Higher initial cost ($80-150/m² supply only)
- Heavy weight requires structural support (40-46 kg/m²)
- Professional installation required
- Fragile during handling and transport
- Minimum 15° pitch requirement with sarking
- Longer installation time versus sheet roofing
- Individual tile replacement for repairs
- Limited to traditional aesthetic styles
08 Applications
A1 Residential roofing all climate zones
A2 Commercial buildings requiring premium aesthetics
A3 Heritage restoration projects
A4 Bushfire-prone areas (all BAL levels)
A5 Coastal environments (salt-safe certified)
A6 Institutional buildings requiring longevity
A7 Projects requiring high thermal mass
A8 Acoustic-sensitive applications
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.