This document covers hinged or pivoted doorsets and door assemblies with timber based leaves, timber framed glazed doors and openable timber framed windows. Throughout this document the term doorset will be used to cover both doorsets and door assemblies. It prescribes the methodology for extending the application of test results obtained from fire resistance test(s) conducted in accordance with EN 1634-1. This document covers doorsets with internal structural elements which are comprised of timber. Subject to the completion of the appropriate test or tests, the extended application may cover all or some of the following examples: integrity (E), integrity & radiation (EW) or integrity & insulation (EI1 or EI2) classification; glazed elements including vision panels and framed glazed doorsets, air transfer grilles (louvres and/or vents); side, transom or overpanels; items of building hardware; decorative and protective finishes; intumescent seals and non-intumescent (smoke, draught or acoustic) seals; alternative supporting construction(s). This document does not cover horizontal doorsets. The effect on the Classification C for the doorsets following an extended application process is not addressed in this European Standard.