Panel · 50–200 mm
Panelised — indicative fig. C·32
Fire Combustible CombustibleEmbodied carbon Data pending Unit unclearCompressive 25MPa StructuralDesign life 50yr
CLT?insulated panels use CLT with density ~500 kg/m? and thermal conductivity ~0.12 W/m?K (XLam data); overall R?value depends on added insulation.
01 Physical
Density ?500 kg/m? (CLT mean density, XLam)kg/m³
Specific gravity 0.18
Porosity 45%
Water absorption 8%
Hardness 4.5
UV resistance Requires protective coating
Chemical resistance Good with appropriate treatment
pH tolerance 4-9
Surface roughness Sanded finish availableµm
02 Mechanical
Tensile strength 8.5MPa
Compressive strength 25MPa
Flexural strength 35MPa
Shear strength 2.6MPa
Poisson's ratio 0.35
Impact resistance Moderate - timber surface
Creep resistance Good under sustained load
03 Thermal
Thermal conductivity 0.12 W/m?K (CLT, XLam)W/m·K
Specific heat 1400J/kg·K
Thermal expansion 12×10⁻⁶/°C
04 Compliance & Fire First question
Combustibility class Combustible - requires protection
Fire resistance level 60-90 minutes with protection
Ignition temp 300°C
Flame spread index 0
Smoke dev. index 3
05 Sustainability & Health
Embodied carbon -8.4
Carbon footprint ?492 kg CO??e per m? (CLT, XLam)
Embodied energy 450MJ/kg
Recyclability 85%
Recycled content 30%
Renewable content 75%
Circular score 7.5
VOC emissions 0.5
Toxicity rating Low - formaldehyde free options
LEED contribution 8
06 Durability · Cost · Logistics
Expected lifespan 50
Maintenance interval 5
Warranty period 10
Material cost (range) 350-550
Material cost (per unit) $/m²
Lead time 6-12 weeks custom
Lifecycle cost 850
Annual maintenance 5
Market availability Moderate - separate components
07 Assessment
Advantages
- Excellent thermal performance (R2.67-11.0)
- Rapid installation (100m²/day)
- Carbon negative (699kg CO₂/m³ sequestered)
- Structural capacity for multi-storey
- Superior acoustic performance potential
- Dimensional stability
- Prefabrication capability
- Renewable material content
Constraints
- No integrated manufacturing in Australia
- Higher initial cost than conventional
- Requires Performance Solution for some applications
- Moisture sensitivity during construction
- Limited BAL-FZ capability
- Skills shortage for installation
- Long lead times (6-12 weeks)
- Transport limitations on panel sizes
08 Applications
A1 Multi-storey residential buildings (Class 2)
A2 Commercial offices (Class 5)
A3 Educational facilities
A4 Passive House construction
A5 Prefabricated modular buildings
A6 Cold storage facilities
A7 Acoustic performance walls
A8 Bushfire resistant construction (with protection)
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.