Panel · 50–200 mm
Panelised — indicative fig. C·30
Fire Group 1 Group 1Embodied carbon 15kgCO₂e/kg HighCompressive 0.07-0.30MPa StructuralDesign life 40yr
Steel-faced PIR panels with declared ? = 0.022 W/m?K and U?values about 0.44?0.10 W/m??K depending on thickness (Kingspan panel data).
01 Physical
Density 13-40kg/m³
Specific gravity 0.013-0.040
Porosity 95-98%
Water absorption <4
Hardness varies
UV resistance excellent
Chemical resistance good
pH tolerance 4-10
Surface roughness 0.5-1.5
02 Mechanical
Tensile strength 550
Compressive strength 0.07-0.30MPa
Flexural strength 2-5MPa
Shear strength 0.10-0.25
Poisson's ratio 0.3
Impact resistance 100
Creep resistance adequate
03 Thermal
Thermal conductivity 0.022 W/m?K (PIR core, declared ?)W/m·K
Specific heat 1400-1500J/kg·K
Thermal expansion 30-70
04 Compliance & Fire First question
Combustibility class Group 1
Fire resistance level 60-180
Ignition temp 300-400°C
Flame spread index 0
Smoke dev. index 0-4
Heat release rate <100
05 Sustainability & Health
Embodied carbon 15-42
Carbon footprint 15-42
Embodied energy 180-480MJ/kg
Water footprint moderate
Recyclability 80-100%
Recycled content 25-35
Renewable content 0%
Circular score moderate
VOC emissions ≤0.500
Toxicity rating low
LEED contribution 4-8
06 Durability · Cost · Logistics
Expected lifespan 40-60
Maintenance interval 1-5
Warranty period 10-40
Material cost (range) 85-200
Material cost (per unit) 85-200
Lead time 2-12
Lifecycle cost 20-30% savings
Annual maintenance 0.50-2.00
Market availability readily available
07 Assessment
Advantages
- High thermal efficiency (R1.2-9.1 depending on thickness)
- 55% labour reduction vs traditional construction
- Superior airtightness (2-9.6 ACH)
- Long spans up to 10m reducing structure
- Non-combustible steel facings
- 40+ year expected service life
- FM Global approved options available
- Integrated weather barrier
- Reduced thermal bridging
- Quick installation timeframes
Constraints
- 1-2% higher initial cost than traditional
- Requires precision foundation tolerances
- Thermal bridging at joints and fasteners
- Limited AS 1562.1 compliance coverage
- Specialist cutting equipment required
- Performance Solution typically needed for NCC
- Installer training critical for performance
- Edge protection required during storage
- Limited acoustic performance without additions
08 Applications
A1 Roofing systems (2° minimum pitch)
A2 External wall cladding
A3 Cold storage facilities
A4 Controlled environment rooms
A5 Residential construction
A6 Commercial buildings
A7 Industrial warehouses
A8 Bushfire-prone area construction (up to BAL-40)
A9 School buildings
A10 Modular construction
09 Sources & Standards
Sources pending — citations for this material are not yet recorded. Verify all figures against manufacturer data and current standards before specifying.