2. Problems specific to flat roofs
2.1 Movement of concrete supports
The pathology of waterproofing on concrete slabs and acroteria walls is mainly due to dimensional variations in the substrate. The causes of these disorders are of mechanical origin, such as excessive deformation of the floor slab and acroterion as a result of differential settlement of the structure, shrinkage during drying of the concrete or creep of the latter.
SCROLL TO TOP2.2 Thermal shock
These also cause shearing disorders at floor level, "sabre-rattling" at acroteria,...
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Problems specific to flat roofs
Existing waterproofing
Bibliography
Websites
AFNOR http://www.afnor.fr
Agence Qualité et Construction http://www.qualiteconstruction.com
Standards and norms
Unified Technical Document (DTU)
- Travaux de bâtiment. Étanchéité des toitures. - DTU 43 -
French standards
- Travaux de bâtiment. Réfection des ouvrages d'étanchéité des toitures-terrasses ou inclinées. Partie 1 : cahier des clauses techniques. Partie 2 : cahier des clauses spéciales (référence commerciale du DTU 43.5). Indice de classement : P84-208. - NF P 84-208 - 11-02
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