Atlas index
Panel · 200–350 mm
Panelised — indicative fig. C·34

Precast concrete sandwich panels with a rigid insulation core and composite connectors, delivering structural capacity and continuous insulation in a single prefabricated assembly.

01 Physical

Density 2100kg/m³
Specific gravity 2.1
Porosity 12%
Water absorption 4.5%
Hardness 5Mohs
UV resistance Excellent
Chemical resistance Good
pH tolerance 3 – 11
Surface roughness 3.2μm

02 Mechanical

Tensile strength 3.2MPa
Compressive strength 32MPa
Flexural strength 4.5MPa
Shear strength 0.65MPa
Poisson's ratio 0.2
Impact resistance High
Creep resistance Good

03 Thermal

Thermal conductivity 0.12W/(m·K)
Specific heat 880J/(kg·K)
Thermal expansion 12×10⁻⁶/°C

04 Compliance & Fire First question

Combustibility class Non-combustible
Fire resistance level 180minutes
Ignition temp 1200°C
Flame spread index 0
Smoke dev. index 0
Heat release rate 0kW/m²

05 Sustainability & Health

Embodied carbon 145kg CO₂e/m²
Carbon footprint 320kg CO₂e/m³
Embodied energy 2.8GJ/m²
Water footprint 180L/m²
Recyclability 85%
Recycled content 25%
Renewable content 0%
Circular score 7/10
VOC emissions Very Low
Toxicity rating Non-toxic
LEED contribution 8points

06 Durability · Cost · Logistics

Expected lifespan 100years
Maintenance interval 10years
Warranty period 10years
Material cost (range) 230 – 390AUD/m²
Material cost (per unit) 290AUD/m²
Lead time 4 – 8weeks
Lifecycle cost 420AUD/m²
Annual maintenance 2AUD/m²/year
Market availability Good

07 Assessment

Advantages

  • Excellent thermal performance with continuous insulation (R2.4-R4.5)
  • High fire resistance rating (FRL up to 180/180/180)
  • Superior acoustic performance (Rw 50-65)
  • Rapid construction with minimal site work
  • Factory quality control and precision
  • Integrated services and architectural features
  • Long service life with minimal maintenance
  • Composite action provides enhanced structural capacity
  • Suitable for all Australian climate zones
  • Complies with NCC energy efficiency requirements

Constraints

  • High initial capital cost ($230-$390 per m²)
  • Requires crane access for installation
  • Transport limitations for remote sites
  • Limited modification flexibility post-installation
  • Potential for thermal bridging if poorly detailed
  • Heavy panels require substantial foundations
  • Lead time for custom manufacture (4-8 weeks)
  • Skilled installation crew required

08 Applications

A1 External load-bearing walls for residential and commercial buildings
A2 High-rise apartment facades requiring thermal and acoustic performance
A3 Cold storage facilities and controlled environment buildings
A4 Bushfire-prone area construction (BAL-12.5 to BAL-FZ rated)
A5 Warehouse and industrial building envelopes
A6 Educational and healthcare facility walls
A7 Tilt-up construction for rapid deployment
A8 Cyclone-resistant construction in Northern Australia

09 Sources & Standards

Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.

MATERIALS ATLAS · CL·AD C·34 · data indicative — verify per project