NF P31-202-1/A3

DTU 40.21 - Building works - Roof covering made of slipping or grooved clay tiles - Part 1 : technical specifications

Le présent document est un amendement à la norme homologuée NF P 31-202-1 (Référence DTU 40.21) modifiant principalement les Annexes E et F (Essai de résistance à la flexion après essai de gel, modifié conformément aux spécifications de la norme NF EN 539-2, méthode E).

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