homeproductsexternal envelope

External envelope

The external envelope, including façades, cladding, and weatherproofing, shapes both appearance and performance. These materials vary widely in composition and emissions intensity. Comparing options helps balance thermal efficiency goals with carbon transparency.

Average NABERS Benchmark

Lowest

Highest

AAC reinforced, PowerPanel STD 75 AAC reinforced
AAC reinforced, PowerPanel STD 75 AAC reinforced
Hebel
0.37
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
17.25%

below NABERS average

AAC reinforced, PowerPanel 100 tongue and groove AAC reinforced
AAC reinforced, PowerPanel 100 tongue and groove AAC reinforced
Hebel
0.43
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
4.85%

below NABERS average

AAC reinforced, PowerPanel 200 tongue and groove AAC reinforced
AAC reinforced, PowerPanel 200 tongue and groove AAC reinforced
Hebel
0.44
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
1.47%

below NABERS average

AAC reinforced, PowerPanel 300 tongue and groove AAC reinforced
AAC reinforced, PowerPanel 300 tongue and groove AAC reinforced
Hebel
0.45
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
0.04%

below NABERS average

Primed flatsheets & weatherboards - Classic
Primed flatsheets & weatherboards - Classic
WEATHERTEX PTY LTD
2.20
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
N/A

NABERS average

Primed flatsheets & weatherboards - Selflok
Primed flatsheets & weatherboards - Selflok
WEATHERTEX PTY LTD
2.20
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
N/A

NABERS average

Primed flatsheets & weatherboards - Shingles/Rubix
Primed flatsheets & weatherboards - Shingles/Rubix
WEATHERTEX PTY LTD
2.20
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
N/A

NABERS average

Primed flatsheets & weatherboards - Weathergroove
Primed flatsheets & weatherboards - Weathergroove
WEATHERTEX PTY LTD
2.20
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
N/A

NABERS average

Primelok 170mm
Primelok 170mm
WEATHERTEX PTY LTD
2.30
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
N/A

NABERS average

Primelok 200mm
Primelok 200mm
WEATHERTEX PTY LTD
2.30
Upfront Carbon Emissions
kg CO2e / kg (A1-A3)
N/A

NABERS average

Cladding Hardie™ Flex Eaves Lining 4.5mm
Cladding Hardie™ Flex Eaves Lining 4.5mm
James Hardie Pty Ltd
4.50
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
64.29%

below NABERS average

Cladding Hardie™ Flex Sheet 4.5mm
Cladding Hardie™ Flex Sheet 4.5mm
James Hardie Pty Ltd
4.62
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
63.33%

below NABERS average

Hardie™ Flex Eaves Lining 4.5 mm thick
Hardie™ Flex Eaves Lining 4.5 mm thick
James Hardie Pty Ltd
4.85
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
61.50%

below NABERS average

Hardie™ Flex Sheet 4.5 mm thick
Hardie™ Flex Sheet 4.5 mm thick
James Hardie Pty Ltd
4.90
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
61.10%

below NABERS average

HomeRAB™ Pre-Cladding 4.5 mm thick
HomeRAB™ Pre-Cladding 4.5 mm thick
James Hardie Pty Ltd
5.24
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
58.41%

below NABERS average

Fibre Cement Cladding Sheet - 4.5mm
Fibre Cement Cladding Sheet - 4.5mm
CSR Building Products Limited
5.70
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
54.76%

below NABERS average

Fibre Cement Cladding Sheet - 6mm
Fibre Cement Cladding Sheet - 6mm
CSR Building Products Limited
6.40
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
49.21%

below NABERS average

Cladding Hardie™ Flex Sheet 6mm
Cladding Hardie™ Flex Sheet 6mm
James Hardie Pty Ltd
6.62
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
47.46%

below NABERS average

Cladding Hardie™ Plank Weatherboards 7.5mm
Cladding Hardie™ Plank Weatherboards 7.5mm
James Hardie Pty Ltd
6.86
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
45.56%

below NABERS average

Hardie™ Flex Sheet 6 mm thick
Hardie™ Flex Sheet 6 mm thick
James Hardie Pty Ltd
6.89
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
45.31%

below NABERS average

RAB™ Board 6 mm thick
RAB™ Board 6 mm thick
James Hardie Pty Ltd
6.96
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
44.75%

below NABERS average

Cladding Hardie™ Fine Texture Cladding 8.5mm
Cladding Hardie™ Fine Texture Cladding 8.5mm
James Hardie Pty Ltd
7.51
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
40.40%

below NABERS average

Hardie™ Plank Weatherboard 7.5 mm thick
Hardie™ Plank Weatherboard 7.5 mm thick
James Hardie Pty Ltd
7.95
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
36.89%

below NABERS average

Cladding EasyLap™ Panel 8.5mm
Cladding EasyLap™ Panel 8.5mm
James Hardie Pty Ltd
8.00
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
36.51%

below NABERS average

SimpleLine Cladding - 8.5mm
SimpleLine Cladding - 8.5mm
CSR Building Products Limited
8.00
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
N/A

NABERS average

ZINCALUME® steel in 0.30mm base material thickness
ZINCALUME® steel in 0.30mm base material thickness
Bluescope Steel Ltd
8.40
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
56.02%

below NABERS average

Cladding Matrix™ Cladding 8mm
Cladding Matrix™ Cladding 8mm
James Hardie Pty Ltd
8.71
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
30.87%

below NABERS average

ZINCALUME® steel in 0.30mm base material thickness (BMT) incl. rollforming
ZINCALUME® steel in 0.30mm base material thickness (BMT) incl. rollforming
Bluescope Steel Ltd
8.73
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
54.29%

below NABERS average

ZINCALUME® steel in 0.35mm base material thickness
ZINCALUME® steel in 0.35mm base material thickness
Bluescope Steel Ltd
9.43
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
50.63%

below NABERS average

COLORBOND® steel in 0.30mm base metal thickness
COLORBOND® steel in 0.30mm base metal thickness
Bluescope Steel Ltd
9.49
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
35.88%

below NABERS average

ZINCALUME® steel in 0.35mm base material thickness (BMT) incl. rollforming
ZINCALUME® steel in 0.35mm base material thickness (BMT) incl. rollforming
Bluescope Steel Ltd
9.80
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
48.69%

below NABERS average

GALVABOND® steel with a zinc coating class of Z100 in 0.37mm base metal thickness
GALVABOND® steel with a zinc coating class of Z100 in 0.37mm base metal thickness
Bluescope Steel Ltd
9.81
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
48.64%

below NABERS average

COLORBOND® steel in 0.30mm base metal thickness (BMT) incl. rollforming
COLORBOND® steel in 0.30mm base metal thickness (BMT) incl. rollforming
Bluescope Steel Ltd
9.84
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
33.51%

below NABERS average

Cladding PrimeLine™ Weatherboards 9mm
Cladding PrimeLine™ Weatherboards 9mm
James Hardie Pty Ltd
9.85
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
21.83%

below NABERS average

EasyLap™ Panel 9 mm thick
EasyLap™ Panel 9 mm thick
James Hardie Pty Ltd
9.95
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
21.02%

below NABERS average

ZINCALUME® steel in 0.38mm base material thickness
ZINCALUME® steel in 0.38mm base material thickness
Bluescope Steel Ltd
10.00
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
47.64%

below NABERS average

GALVABOND® steel with a zinc coating class of Z100 in 0.40mm base metal thickness
GALVABOND® steel with a zinc coating class of Z100 in 0.40mm base metal thickness
Bluescope Steel Ltd
10.40
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
45.55%

below NABERS average

ZINCALUME® steel in 0.38mm base material thickness (BMT) incl. rollforming
ZINCALUME® steel in 0.38mm base material thickness (BMT) incl. rollforming
Bluescope Steel Ltd
10.40
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
45.55%

below NABERS average

RAB™ Board 9 mm thick
RAB™ Board 9 mm thick
James Hardie Pty Ltd
10.40
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
17.45%

below NABERS average

COLORBOND® steel in 0.35mm base metal thickness
COLORBOND® steel in 0.35mm base metal thickness
Bluescope Steel Ltd
10.50
Upfront Carbon Emissions
kg CO2e / m2 (A1-A3)
29.05%

below NABERS average

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