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Article | REF: C2232 V1

Architectural concrete

Author: Marcel HUREZ

Publication date: November 10, 2000

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8. Maintenance

8.1 Origin and nature of alterations

The main types of deterioration encountered in facing can be internal to the concrete (efflorescence, for example), environmental or human-induced.

A survey conducted by CERIB shows that the most frequently reported assaults are, in descending order:

  • graffiti (28%);

  • damage caused by various stains (20%);

  • mosses and mushrooms (20%);

  • dust (15%);

  • smoke and soot (8%);

  • acid rain (8%).

Most of these alterations can be treated either preventively (with water repellent, for example)...

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