Sub-structure
The sub-structure forms the building’s foundation, including footings, slabs, and below-ground walls. Typically heavy in concrete and steel, these elements often account for a large share of total embodied carbon. Early-stage visibility into material impacts can support reduction strategies from the ground up.

Natural Sand
Holcim (Australia) Pty Ltd
3.10
Australia

Spraymasta Tunnel 40MPa 40kg/m³ Steel Fibre, 1bag/m³ Poly Fibre
Heidelberg Materials Australia Pty Ltd
301.00
Australia

FATRAFOL 803S
Fatra, a.s.
5.28
Czech Republic

FATRAFOL 814 - Heterogeneous Waterproofing Membrane
Fatra, a.s.
9.63
Czech Republic

Concrete Aggregates
Holcim (Australia) Pty Ltd
7.98
Australia

Ballast Aggregates
Holcim (Australia) Pty Ltd
7.81
Australia

Other Aggregates
Holcim (Australia) Pty Ltd
6.12
Australia

Asphalt Aggregates
Holcim (Australia) Pty Ltd
9.24
Australia

Manufactured Sand
Holcim (Australia) Pty Ltd
6.01
Australia

Spraymasta Tunnel 40MPa 40kg/m³ Steel Fibre, 1bag/m³ Poly Fibre
Heidelberg Materials
301.00
Australia

Prefabricated steel reinforcement cages
AUSREO
1,660.00
Australia

Stabilised Sand 15%
Heidelberg Materials Australia Pty Ltd
163.00
Australia

Mesh D500L 5.6mm-9.6mm
Bestbar Pty Ltd
797.00
Australia

NS322EC2 (Stage 1B Basement Barangaroo South, 32 MPa special-class)
Holcim (Australia) Pty Ltd
206.00
Australia

Tylden Quarry Basalt Aggregates
Fulton Hogan
5.10
Australia

VS402MTT (Metro Tunnel Project, 40 MPa special-class)
Holcim (Australia) Pty Ltd
248.00
Australia

Tynong Quarry Granite Aggregates
Fulton Hogan
7.80
Australia

FATRAFOL 911
Fatra, a.s.
5.28
Czech Republic

Bulk Granite Aggregate
BGC Quarries
4.95
Australia

Natural Sand

Spraymasta Tunnel 40MPa 40kg/m³ Steel Fibre, 1bag/m³ Poly Fibre

FATRAFOL 803S

FATRAFOL 814 - Heterogeneous Waterproofing Membrane

Concrete Aggregates

Ballast Aggregates

Other Aggregates

Asphalt Aggregates

Manufactured Sand

Spraymasta Tunnel 40MPa 40kg/m³ Steel Fibre, 1bag/m³ Poly Fibre

Prefabricated steel reinforcement cages

Stabilised Sand 15%

Mesh D500L 5.6mm-9.6mm

NS322EC2 (Stage 1B Basement Barangaroo South, 32 MPa special-class)

Tylden Quarry Basalt Aggregates

VS402MTT (Metro Tunnel Project, 40 MPa special-class)

Tynong Quarry Granite Aggregates

FATRAFOL 911

Bulk Granite Aggregate
Filter & sort
Footprint
kg CO₂e/unit
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kg CO₂e/unit
Length
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mm
Width
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