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Keep up to dateEmbodied CO2 for different construction materials | |||
Concrete* | Concrete type | ECO2 (kgCO2/m3) | ECO2 (kgCO2/tonne) |
Trench foundations%3Csup%3E1%3C/sup%3E | GEN1 120 mm | 184 | 80 |
Reinforced Foundations%3Csup%3E1%3C/sup%3E | RC30 70 mm | 318 | 132 |
Ground floors%3Csup%3E1%3C/sup%3E | RC35 70 mm | 315 | 133 |
Structural: in situ floors, superstructure, walls, basements%3Csup%3E1%3C/sup%3E | RC40 70 mm | 372 | 153 |
High strength concrete%3Csup%3E1%3C/sup%3E | RC50 70mm | 436 | 176 |
Dense concrete aggregate block%3Csup%3E2%3C/sup%3E | precast block | 147 | 75 |
Aerated concrete block%3Csup%3E2%3C/sup%3E | precast block | 121 | 240 |
Generic lightweight aggregate block%3Csup%3E3%3C/sup%3E | precast block | 168 | 120 |
Structural steel | Ìý | Ìý | Ìý |
Structural steel%3Csup%3E4%3C/sup%3E | Ìý | 15313 | 1932 |
Timber | Ìý | Ìý | Ìý |
Timber and timber based materials (eg chipboard)%3Csup%3E5%3C/sup%3E | Ìý | 141-512 | 336-819 |
Notes | Ìý | Ìý | Ìý |
1. Draft-in-proof, Arup research commissioned by TCC, Embodied CO2 of various concrete mixes, 2006 | |||
2. BRE Environmental Profiles database, 2006 | |||
3. Personal communication with the Environment Division, BREEAM Centre, ºÚ¶´ÉçÇø Research Establishment, UK, 2005 | |||
4. Amato A and Eaton K J., A Comparative Environmental Life Cycle Assessment of Modern Office ºÚ¶´ÉçÇøs, The Steel Construction Institute, Ascot, 1998. | |||
5. Rosso S, Environmental life-cycle of kitchen refurbishment, Thesis in School of Environment (Interim), University of Brighton, 2006 | |||
*Using Ground Granulated Blastfurnace Slag (GGBS or slag) or Fly Ash in concrete, either as a mixer addition or through a factory made cement significantly reduces the overall greenhouse gas emissions associated with the production of concrete. The reduction in overall greenhouse gas emissions from the values in the table above can be as high as 70%, depending on the concrete mix design and the application. |
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