NBN EN 17020-3:2022

This document is applicable to the following types of steel based doorsets: horizontally sliding single and double leaf doorsets, horizontally sliding single and double leaf telescopic doorsets, vertically sliding single leaf doorsets and vertically sliding single leaf telescopic doorsets as covered by EN 15269-7 or EN 15269-20.
This document prescribes the methodology for extending the application of test results obtained from durability of self-closing test(s) conducted in accordance with EN 12605:2000 and/or EN 1191.
Subject to the completion of the appropriate durability of self-closing test or tests, the extended application can cover all or some of the following non-exhaustive list:
- door leaf (of the sliding doorset and its pass door);
- integrated pass doors;
- wall or ceiling fixed parts or items of the doorset, e.g. frame or suspension systems;
- ventilation grilles and/or louvres;
- glazing for door leaf;
- items of building hardware;
- decorative finishes;
- intumescent, smoke, draught or acoustic seals;
- alternative supporting construction(s).