DOUBLE SKIN

PROBLEM TO BE SOLVED: To provide the double skin superior in the thermal insulation effect and the dew proofing effect, without requiring daily cleaning. SOLUTION: This double skin is composed of the outside skin 1 for respectively supporting upper-lower end parts by horizontal frames 4 and 4, composed of face glass 3 for respectively supporting left-right end parts by rib glass 5 and 5 extending in the vertical direction and constituting an external facing part of a building, and the inside skin 2 composed of glass 6 or a fire resistant thermal insulation board 7 having a peripheral edge part supported by an aluminum sash 9 and arranged on the indoor side of the building at a predetermined interval from the outside skin 1. A plurality of moisture permeable holes communicating with the outdoors are formed on the indoor side along the face glass 3 on an upper surface of the horizontal frame 4. An inner space part communicating with the outdoors from the moisture permeable holes is arranged in the horizontal frame 4, and the inside of the inner space part is also partitioned by a plurality of horizontal partition plates for forming a moisture permeable opening. COPYRIGHT: (C)2006,JPO&NCIPI