Embodied energy (kWh/m2) |
|
---|---|
Walls | |
timber frame, timber weatherboard, plasterboard lining | 52 |
timber frame, clay brick veneer, plasterboard lining | 156 |
timber frame, aluminium weatherboard, plasterboard lining | 112 |
steel frame, clay brick veneer, plasterboard lining | 168 |
double clay brick, plasterboard lined | 252 |
cement stabilised rammed earth | 104 |
Floors | |
elevated timber floor | 81 |
110 mm concrete slab on ground | 179 |
200 mm precast concrete T beam/infill | 179 |
Roofs | |
timber frame, concrete tile, plasterboard ceiling | 70 |
timber frame, terracotta tile, plasterboard ceiling | 75 |
timber frame, steel sheet, plasterboard ceiling | 92 |
Area (m2) |
× | energy density (kWh/m2) |
energy (kWh) |
||
---|---|---|---|---|---|
Floors | 100 | × | 81 | = | 8100 |
Roof | 75 | × | 75 | = | 5600 |
External walls | 75 | × | 252 | = | 19 000 |
Internal walls | 75 | × | 125 | = | 9400 |
Total | 42 000 |
page no.
322A subsequent more-detailed study commissioned by DEFRA estimated that
the embodied carbon in imports is about 6.2 tons CO2e per person. Wied-
mann et al. (2008).
Further resources: www.greenbooklive.com has life cycle assessments of building
products.
Some helpful cautions about life-cycle analysis: www.gdrc.org/uem/lca/
life-cycle.html.
More links: www.epa.gov/ord/NRMRL/lcaccess/resources.htm.