STRUCTURE OF END RAIL SECTION

PURPOSE: To enable ventilation of the whole body of a building to prevent members from corroding by arranging modesty panels having a ventilation passage communicating with ventilation passages in between upper and lower external wall panels having the ventilation passages opened to respective upper and lower ends. CONSTITUTION: Modesty panels 3 having a ventilation passage 3a communicating with ventilation passages 1a, 2a are arranged between upper and lower floor external wall panels 1 and 2 having the ventilation passages 1a, 2a opened to respective upper and lower ends. In the modesty panel part 3, moisture- absorbing and desorbing materials 5, 6 are provided at the side face of a lateral member 4 connecting mutual external wall panels 1, 2 and an exterior member 7 is provided through a gap from the moisture-absorbing and desorbing material 5. In this way, the whole building body can be ventilated and hence, the members can be prevented from corroding.