NF P37-410

Roofing accessories. Metallic ventilation holes with grating. Requirements.

La présente norme définit, désigne et spécifie les caractéristiques exigibles des chatières en vue de leur pose et de leur comportement fonctionnel et dans le temps.

To comply with a standard, you need to quickly understand its issues in order to determine its impact on your activity.

The Requirements department helps you quickly locate within the normative text:
- mandatory clauses to satisfy,
- non-essential but useful clauses to know, such as permissions and recommendations.

The identification of these types of clauses is based on the document “ISO / IEC Directives, Part 2 - Principles and rules of structure and drafting of ISO documents ”as well as on a constantly enriched list of verbal forms.

With Requirements, quickly access the main part of the normative text!

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