6. Crack treatment
To remedy an existing crack with the greatest chance of success, it is essential to know its origin and to diagnose its evolution. Cracking can have three origins.
6.1 Crack types
All materials based on hydraulic binders produce more or less significant, localized or distributed shrinkage during drying. 80% of shrinkage occurs within 8 days of application. The remaining 20% develops slowly. The extent of shrinkage cracking varies according to cement quality, mortar...
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Crack treatment
Conclusion
Bibliography
Standards and norms
- Paints and varnishes – Paint products and coating systems for exterior masonry and concrete – Part 1: Classification. - NF EN 1062-1 - Octobre 2004
- Paints and varnishes – Paint products and coating systems for exterior masonry and concrete – Adaptation of facade cladding to the new classification" (adaptation of this European standard). - XP T34-722 - Septembre 2004
- Products and systems for the protection...
Regulations
DTU 20.1: Masonry walls.
DTU 23.1: Concrete walls.
DTU 26.1: Coatings with hydraulic binder mortars.
DTU 59.1: Painting work.
DTU 59.2: Application of thick plastic coatings.
DTU 42.1: Facade waterproofing.
DTU Th-K 77: Thermal insulation.
DTU Th-G 77:...
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Organisme professionnel de prévention du bâtiment et des travaux publics (OPPBTP) (Professional organization for building and public works prevention)
Scientific and Technical Center for Building (CSTB)
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