Roofing products of metal sheet - Specification for self- supporting products of copper or zinc sheet

This document establishes the technical specifications for self-supporting metal sheets used in roofing applications, specifically focusing on products fabricated from copper or zinc. It defines the essential requirements that ensure the suitability of these metallic elements for outdoor construction purposes where structural integrity and durability are paramount. The text outlines the permissible chemical composition and physical properties necessary for the raw materials, along with dimensional tolerances for the final manufactured sheets. Detailed procedures for sampling and testing methods are provided to verify conformity with the specified criteria. Furthermore, the publication covers the marking requirements and packaging standards to facilitate identification and handling during transport and installation. These guidelines aim to promote consistency in the quality of roofing components across the relevant market sector, ensuring that all self-supporting panels meet a defined baseline for performance and safety in typical environmental conditions.