Massive wood material for sustainable building design: the Massiv–Holz–Mauer wall system

Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 3 Contributions of Massiv–Holz–Mauer (MHM) wall materials production process to global warming potential (GWP), ozone depletion potential (ODP), photochemical ozone creation potential (POCP), human toxicity potential (HTP) for the production of 1 m² of wall

Specific contributions	GWP (kg CO_2eq)	ODP (mg R11_eq)	POCP (g Ethene_eq)	HTP (kg DCB_eq)^a
Total	35.231	4.373	32.185	9.714
Plasterboard	3.062	0.267	1.218	0.714
Manufacturing	2.737	0.208	1.047	0.568
Transport	0.325	0.059	0.171	0.147
Forest operations	2.600	0.437	18.174	0.463
Tree felling	0.193	0.037	8.365	0.054
Extraction	0.002	0.000	0.002	0.003
Landing	0.193	0.037	8.365	0.054
Road transport	2.211	0.363	1.442	0.351
Sawmill process	10.738	1.855	4.587	1.604
Log handling	0.169	0.193	0.257	0.035
Log processing	8.856	1.067	2.963	0.990
Board handling	0.287	0.328	0.440	0.059
Transport	1.426	0.267	0.927	0.519
Aluminium nails	3.168	0.157	1.906	2.944
Manufacturing	3.133	0.150	1.883	2.931
Transport	0.036	0.007	0.023	0.013
Geotextile	0.412	0.008	0.439	0.056
Manufacturing	0.408	0.008	0.437	0.054
Transport	0.004	0.001	0.002	0.002
Fibreboard	7.560	0.890	3.189	1.429
Manufacturing	6.988	0.783	2.817	1.221
Transport	0.572	0.107	0.372	0.208
Mortar	1.958	0.089	0.530	0.244
Manufacturing	1.855	0.069	0.464	0.207
Transport	0.102	0.019	0.066	0.037
Plaster mesh	0.372	0.033	0.191	1.364
Manufacturing	0.370	0.032	0.189	1.363
Transport	0.003	0.001	0.002	0.001
Plaster	0.389	0.036	0.187	0.089
Manufacturing	0.347	0.028	0.159	0.074
Transport	0.043	0.008	0.028	0.015
Assembling (electricity)	4.973	0.602	1.762	0.806
Photovoltaic	0.232	0.033	0.179	0.276
Non-renewable	4.740	0.569	1.583	0.530