Decorative concrete finish created by washing/brushing off surface mortar to expose aggregate; provides texture and slip resistance.
01 Physical
Density2500kg/m3
Specific gravity2.3-2.4
Porosity10-15%%
Water absorption3-6%%
Hardness5-7 Mohs
UV resistanceExcellent
Chemical resistanceGood
pH tolerance5-11
Surface roughnessLight blast: 0.5-1mm profile, Heavy blast: 2-4mm profileµm
02 Mechanical
Tensile strength2.2-4.1MPa
Compressive strength20-50MPa
Flexural strength3.5-5.5 MPaMPa
Shear strength4-6 MPaMPa
Poisson's ratio0.15-0.20
Impact resistanceGood
Creep resistance500-1000 microstrain
03 Thermal
Thermal conductivity1.5-2.0 W/mKW/m·K
Specific heat880-1000 J/kg·KJ/kg·K
Thermal expansion10-12 × 10⁻⁶/°C×10⁻⁶/°C
04 Compliance & Fire First question
Combustibility classNon-combustible
Fire resistance level90-240 minutes
Ignition tempNot applicable°C
Flame spread index0
Smoke dev. index0
Heat release rate0 kW/m²
05 Sustainability & Health
Embodied carbon250-400 kg CO₂e/m³
Carbon footprint300-450 kg CO₂e/m³
Embodied energy1.5-2.5 GJ/m³MJ/kg
Water footprint180-220 L/m³L/kg
Recyclability100%%
Recycled content0-30%%
Renewable content0%%
Circular score6/10
VOC emissions< 0.5 g/L
Toxicity ratingNon-toxic
LEED contribution2-4 points
06 Durability · Cost · Logistics
Expected lifespan50-100 years
Maintenance interval3-5 years
Warranty period7-10 years
Material cost (range)$100-180/m²
Material cost (per unit)$350-450/m³
Lead time1-3 days
Lifecycle cost$200-300/m²
Annual maintenance$2-5/m²
Market availabilityReadily available
07 Assessment
Advantages
High durability and longevity
Excellent slip resistance due to texture
Low maintenance requirements compared to other paving options
Aesthetically versatile with a wide choice of aggregate colours and types
Good thermal mass properties
High strength and load-bearing capacity
Constraints
Higher initial installation cost compared to standard brushed concrete
Requires skilled labour for proper installation and consistent finish
Can be difficult to patch repair seamlessly
Surface can be rough underfoot for bare feet, especially with heavy blast finishes
Requires periodic sealing to maintain appearance and prevent staining
08 Applications
A1Driveways
A2Patios
A3Pool surrounds
A4Walkways and footpaths
A5Public plazas
A6Architectural wall panels
A7Landscape features
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.