A Comparison of Life Cycle Impact of Mass Timber and Concrete in Building Construction

Table 7.

Combined LCA results for stages A to D (not including theoperational energy use phase) for wall sections of the design.

LCA Measures

Concrete walls, concrete brick-cladding

Cross laminated timber walls, Spruce wood bevel siding-cladding

Global Warming Potential, kg CO2 eq

1.42E+04

-6.91E+03

Acidification Potential, kg SO2 eq

9.15E+01

3.25E+01

HH Particulate, kg PM2.5 eq

3.08E+01

2.18E+01

Eutrophication Potential, kg N eq

6.16E+00

1.96E+00

Ozone Depletion Potential, kg CFC-11 eq

1.05E-04

8.68E-06

Smog Potential, kg O3 eq

1.77E+03

7.64E+02

Total Primary Energy, MJ

1.61E+05

9.28E+04

Non-Renewable Energy, MJ

1.53E+05

5.38E+04

Fossil Fuel Consumption, MJ

1.42E+05

4.58E+04