Crystallization pressure Conclusion The results presented in

[10], [11], [12] and [13], in contrast with the result of the present study and those reported in [14]. However, it can be also argued that the situation in a porous rock or a building material is somewhat different from the ideal system considered in the present work. Building materials have heterogeneous surfaces that may favor nucleation, and the larger the body, the higher the likelihood that it contains a potent nucleating agent.