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

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

  WACC (g/m2 min0.5) (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
  1. Q refers to Quicklime and WA to wood ash as indication of the compositions