Closure capacity to ensure the integrity and not exceed a high temperature on the side without fire to guarantee the evacuation of people and stop the fire from spreading. There are up to a resistance of EI 180.
The test standard EN 1634-1 is used to evaluate the fire resistance of overlapping enclosures between fire sectors.
Fire curtains are used in: logistics centers and warehouses, industry, hydrocarbons sector and nuclear power plants, agri-food industry, shops and architectural constructions, theaters, sports centers, …
In the case of a separating element (horizontal or vertical) with respect to which there is security of non-proximity to the face not exposed in case of fire, persons or fuel elements, the condition EI t required by the DB SI of the CTE can be considered to be covered by an EW t classification of the element in question