Table 2 Embodied energy and embodied carbon for building and insulation materials.
From: Basic research on layered geopolymer composites with insulating materials of natural origin
Material | EE (Mj/kg) | EC (kgCO2/kg) |
|---|---|---|
Fly ash | 0.1 | 0.01 |
Sand | 0.1 | 0.005 |
Cement | 4.6 | 0.83 |
Concrete | 0.95 | 0.13 |
Geopolymer | 0.33 | – |
Cellulose | 0.94–3.3 | – |
Flax (insulation) | 39.5 | 1.70 |
Mineral wool | 16.6 | 1.20 |
Rock wool | 16.8 | 1.05 |
Paper wool (wood shavings) | 20.17 | 0.63 |
Wood wool | 10.8 | – |
Recycled wool | 20.9 | – |
Wool (overall) | 3 | 0.15 |
Foamed polystyrene | 88.6 | 2.50 |
Thermoformable foamed PS | 109.2 | 3.40 |
Polyurethane | 72.1 | 3.00 |
Coconut mat | 42 | – |
Flax mat | 50 | – |
Hemp mat | 40 | – |