Table 4.
Values of water absorption coefficient after one-hour (WAC) [kg·m−2·h−0.5] and ratio of water vapour permeability values (WVP c/a) [kg·m−1·s−1·Pa−1], for sound (s), aged (a) and consolidated (c) specimens of St. Margarethen Limestone (SM) and Schlaitdorf Sandstone (S) evaluated six weeks (6w) and six months (6 m) after treatment.
| Stone | Treatment | WAC(s) | WAC(a) | WAC(c) (6 w) | WAC(c) (6 m) | WVPc/a (6 w) |
|---|---|---|---|---|---|---|
| SM | KSE 300 | 4.49 ± 0.05 | 5.23 ± 0.02 | 4.52 ± 0.06 | 4.56 ± 0.03 | 0.89 ± 0.06 |
| NC-25C | 4.50 ± 0.18 | 5.05 ± 0.11 | 0.76 ± 0.27 | 2.99 ± 0.28 | 0.84 ± 0.03 | |
| NC-27CP | 4.51 ± 0.15 | 5.17 ± 0.18 | 0.47 ± 0.51 | 0.54 ± 0.26 | 0.55 ± 0.02 | |
| S | KSE 300 | 3.29 ± 0.30 | 3.66 ± 0.28 | 0.18 ± 0.15 | 2.14 ± 0.50 | 1.75 ± 0.45 |
| NC-25C | 2.74 ± 0.72 | 3.57 ± 0.25 | 1.65 ± 0.15 | 1.21 ± 0.28 | 0.81 ± 0.03 | |
| NC-27CP | 2.74 ± 0.59 | 3.53 ± 0.16 | 0.08 ± 0.04 | 0.20 ± 0.04 | 0.35 ± 0.00 |