Mitigating salt damage in building materials by the use of crystallization modifiers: a review and outlook

Sanne J.C. Granneman, Barbara Lubelli, Rob P.J. van Hees

Research output: Contribution to journalReview articleScientificpeer-review

5 Citations (Scopus)

Abstract

Salt crystallization damage in porous building materials is a widespread phenomenon. Several solutions to prevent, or mitigate, salt damage in building materials, prolonging thereby their service-life have been proposed. One of the latest approaches is the use of crystallization modifiers, aiming at reducing the crystallization pressure and/or favouring the crystallization of salts at the surface (efflorescence) instead of in the pores of the materials (crypto-florescence). This paper summarizes the working mechanisms of crystallization modifiers and critically reviews the available literature on their use in building materials; finally, it provides an outlook on the potentials of modifiers for the mitigation of salt crystallization damage in building materials.

Original languageEnglish
Pages (from-to)183-194
Number of pages12
JournalJournal of Cultural Heritage
Volume40
DOIs
Publication statusPublished - 2019

Keywords

  • Building materials
  • Crystallization modifiers
  • Salt crystallization damage

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