Embodied Energy - Embodied Energy in Common Materials

Embodied Energy in Common Materials

Selected data from the Inventory of Carbon and Energy ('ICE') prepared by the University of Bath (UK), and available at http://perigordvacance.typepad.com/files/inventoryofcarbonandenergy.pdf

Material Energy MJ per kg Carbon kg CO2 per kg Density kg /m3
Aggregate 0.083 0.0048 2240
Concrete (1:1.5:3) 1.11 0.159 2400
Bricks (common) 3 0.24 1700
Concrete block (Medium density) 0.67 0.073 1450
Aerated block 3.5 0.3 750
Limestone block 0.85 2180
Marble 2 0.116 2500
Cement mortar (1:3) 1.33 0.208
Steel (general, av. recycled content) 20.1 1.37 7800
Stainless steel 56.7 6.15 7850
Timber (general, excludes sequestration) 10 0.72 480 - 720
Glue laminated timber 12 0.87
Cellulose insulation (loose fill) 0.94 – 3.3 43
Cork insulation 26.00* 160
Glass fibre insulation (glass wool) 28 1.35 12
Flax insulation 39.5 1.7 30
Rockwool (slab) 16.8 1.05 24
Expanded Polystyrene insulation 88.6 2.55 15 – 30
Polyurethane insulation (rigid foam) 101.5 3.48 30
Wool (recycled) insulation 20.9 25
Straw bale 0.91 100 – 110
Mineral fibre roofing tile 37 2.7 1850
Slate 0.1 – 1.0 0.006 – 0.058 1600
Clay tile 6.5 0.45 1900
Aluminium (general & incl 33% recycled) 155 8.24 2700
Bitumen (general) 51 0.38 - 0.43
Medium-density fibreboard 11 0.72 680 – 760
Plywood 15 1.07 540 - 700
Plasterboard 6.75 0.38 800
Gypsum plaster 1.8 0.12 1120
Glass 15 0.85 2500
PVC (general) 77.2 2.41 1380
Vinyl flooring 65.64 2.92 1200
Terrazzo tiles 1.4 0.12 1750
Ceramic tiles 12 0.74 2000
Wool carpet 106 5.53
Wallpaper 36.4 1.93
Vitrified clay pipe (DN 500) 7.9 0.52
Iron (general) 25 1.91 7870
Copper (average incl. 37% recycled) 42 2.6 8600
Lead (incl 61% recycled) 25.21 1.57 11340
Ceramic sanitary ware 29 1.51
Paint - Water-borne 59 2.12
Paint - Solvent-borne 97 3.13
Photovoltaic (PV) Cells Type Energy MJ per m2 Carbon kg CO2 per m2
Monocrystalline (average) 4750 242
Polycrystalline (average) 4070 208
Thin film (average) 1305 67

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