ATENA EI30 is a single-leaf and double-leaf door, solid or glazed, with fire resistance class EI30, intended for use as an internal, entrance door in residential, public utility and collective housing buildings. Equipped with a mechanical dropping threshold, they are characterized by an acoustic insulation class of Rw=32dB (single-leaf doors) and Rw=27dB (double-leaf doors). Due to the durability requirements, these doors can be used in conditions corresponding to the 3rd class of requirements, i.e. in severe operating conditions. The doors have a mechanical durability class 6 (200,000 cycles). They are available in rebated and non-rebated versions with a metal or wooden frame. Doors with a wooden frame are of the Sa, S200 smoke resistance class. ATENA EI30 doors can be additionally equipped with fire rooflights.