Drying response of lime-mortar joints in granite masonry after an intense rainfall and after repointing

Heritage Science

Table 2 WACC, open porosity and vapour permeability values of the mortar mixes applied in each wall

			WACC (g/m² min^0.5) (n = 6)		Water vapour permeability (g m⁻¹ day⁻¹ kPa⁻¹) (n = 4)		Open porosity (%) original mortar (n = 5)		Open porosity (%) repointed mortar (n = 5)
			Mean	SD	Mean	SD	Mean	SD	Mean	SD
W1			282.22	10.94	2.328	0.248	20.33	0.21	21.46	0.02
W2	Q		192.37	3.87	1.876	0.062	23.32	0.25	21.20	0.23
W3	Q	WA	253.74	5.95	2.402	0.168	26.06	0.29	26.45	0.26
W4	Q	WA	275.57	23.85	1.938	0.102	25.65	0.19	24.28	0.12
W5	Q	WA	197.86	6.96	2.111	0.137	21.74	0.63	23.92	0.56