This European Standard, which should be read in conjunction with prEN 15269-1, covers the following types of steel based doorsets: horizontally sliding doorsets (single and double), telescopic doorsets (single and double) and single vertically sliding doorsets. This document prescribes the methodology for extending the application of test results obtained from test(s) conducted in accordance with EN 1634-1. Subject to the completion of the appropriate test or tests selected from those identified in Clause 4 the extended application may cover all or some of the following non-exhaustive list: - integrity only (E), radiation (EW) or insulated (EI1 or EI2) classifications; - door leaf; - wall/ceiling fixed elements (frame/suspension system); - glazing for door leaf; - items of building hardware; - decorative finishes; - intumescent, smoke, draught or acoustic seals; - alternative supporting construction(s).