BS EN 15882-2 is the second part of the BS EN 15882 provides guidance and rules to notified bodies (for fire dampers) to allow them to produce/validate an extended field of application report for fire dampers. This standard identifies the parameters that affect the fire resistance of dampers. BS EN 15882-2 also identifies the factors that need to be considered when deciding whether, or by how much, the parameter can be extended when contemplating the fire resistance performance of an untested, or untestable variation in the construction.
BS EN 15882-2 explains the principles behind how a conclusion on the influence of specific parameters/constructional details relating to the relevant criteria (E,I,S) can be achieved.
BS EN 15882-2 only applies to extended fields of application based on tests successfully undertaken to BS EN 1366-2.
Note1: BS EN 15882-2 does not cover dampers used for smoke control.
BS EN 15882-2 on fire dampers is useful for:
Fire dampers are passive fire protection products used in heating, ventilation, and air conditioning (HVAC) ducts to prevent the spread of fire inside the ductwork through fire-resistance rated walls and floors. Fire-resisting dampers are special products that are exposed to different conditions to other elements of construction; in particular they are subjected to significantly different pressure regimes. BS EN 15882-2 integrity is evaluated by leakage measurements. BS EN 15882-2 adopt a different approach to other extended field of application standards, with more emphasis on testing. By application of BS EN 15882-2, it should be possible to identify what specifications should be tested to maximize the field of application.
EN 15882-2:2015