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1 ScopeThis document defines rules for extended applications, provides guidance, and, where appropriate, specifies procedures, for variations of certain parameters and factors associated with the design of internal non-loadbearing ceilings constructed of metal faced sandwich panels that have been tested in accordance with EN 1364‑2, which could generate a classification in accordance with EN 13501‑2.This document applies to self-supporting, double skin metal faced sandwich panels, which have an insulating core bonded to both facings as defined in EN 14509.2 Normative referencesThe following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.EN 1363‑1, Fire resistance tests — Part 1: General RequirementsEN 1363‑2, Fire resistance tests — Part 2: Alternative and additional proceduresEN 1364‑2, Fire resistance tests for non-loadbearing elements — Part 2: CeilingsEN 1993‑1‑2, Eurocode 3: Design of steel structures — Part 1-2: General rules — Structural fire designEN 13501‑2, Fire classification of construction products and building elements — Part 2: Classification using data from fire resistance tests, excluding ventilation servicesEN 14509, Self-supporting double skin metal faced insulating panels — Factory made products — SpecificationsEN 15725:2010, Extended application reports on the fire performance of construction products and building elementsEN ISO 13943, Fire Safety — Vocabulary (ISO 13943)

3.1.1direct field of application of test resultsoutcome of a process (involving the application of defined rules) whereby a test result is deemed to be equally valid for variations in one or more of the product properties and/or intended end-use applications3.1.2extended field of application of test resultsoutcome of a process (involving the application of defined rules that may incorporate calculation procedures) that predicts, for a variation of a product property and/or its intended end-use application(s), a test result on the basis of one or more test results to the same test standard