Factory-manufactured prestressed concrete floor planks with longitudinal voids, providing efficient structural flooring systems for spans up to 20m with fire ratings up to 4 hours
01 Physical
Density1750kg/m³
Specific gravity2.35
Porosity35%
Water absorption5%
Hardness7Mohs
UV resistanceExcellent
Chemical resistanceGood
pH tolerance5 – 11
Surface roughness6μm
02 Mechanical
Tensile strength3.5MPa
Compressive strength45MPa
Flexural strength6.5MPa
Shear strength0.65MPa
Poisson's ratio0.2
Impact resistanceHigh
Creep resistance2creep coefficient
03 Thermal
Thermal conductivity1.4W/m·K
Specific heat880J/kg·K
Thermal expansion10×10⁻⁶/°C
04 Compliance & Fire First question
Combustibility classNon-combustible
Fire resistance level120/120/120minutes
Ignition tempnull°C
Flame spread index0
Smoke dev. index0
Heat release rate0kW/m²
05 Sustainability & Health
Embodied carbon85kgCO₂e/m²
Carbon footprint320kgCO₂e/m³
Embodied energy2.1GJ/m³
Water footprint180L/m²
Recyclability100%
Recycled content15%
Renewable content0%
Circular score7.5/10
VOC emissions0g/L
Toxicity ratingNon-toxic
LEED contribution3points
06 Durability · Cost · Logistics
Expected lifespan100years
Maintenance interval10years
Warranty period10years
Material cost (range)180 – 350AUD/m²
Material cost (per unit)250AUD/m²
Lead time2-6weeks
Lifecycle cost8.5AUD/m²/year
Annual maintenance0.5AUD/m²/year
Market availabilityExcellent
07 Assessment
Advantages
Rapid installation up to 1000m² per day
No propping required during construction
Immediate working platform
Long clear spans reducing column requirements
Excellent fire resistance (1-4 hours)
Superior acoustic performance (STC 50-57)
40% less concrete than solid slabs
High thermal mass for passive cooling
Factory quality control to ISO 9001:2015
Service ducts within cores
Smooth soffit finish suitable for direct painting
Constraints
Limited flexibility for on-site modifications
Requires crane for installation
Transport limitations for remote sites
Camber variation between units
Limited capacity for large penetrations
Initial capital cost higher than in-situ
Acoustic bridging at joints requires attention
Specialist design knowledge required
08 Applications
A1Multi-storey commercial buildings
A2Residential apartments and units
A3Car parks and parking structures
A4Industrial warehouses and mezzanines
A5Educational facilities
A6Healthcare buildings
A7Retail complexes
A8Bridge decks and infrastructure
A9Stormwater detention vault lids
A10Agricultural storage facilities
09 Sources & Standards
Sources pending — citations for this material are not yet recorded.
Verify all figures against manufacturer data and current standards
before specifying.
Currently living and working on the land of the Wurundjeri Woi Wurrung
People.
We acknowledge the Traditional Custodians of this land, whose
sovereignty was never ceded, and pay our respect to their enduring
connection to Country.