VENTILATION STRUCTURE FOR REMODELING

PROBLEM TO BE SOLVED: To provide a ventilation structure for remodeling easily and inexpensively performing remodeling to an incombustible material by using an existing ventilation duct. SOLUTION: The ventilation structure for remodeling includes: a new sleeve 2 internally provided on the inner side of the existing ventilation duct 1 remaining inside a building wall 7 to cover the overall length of the inner face and made of an incombustible material; and a fixing means 3 for fixing the new sleeve 2 to the building wall 7. The new sleeve 2 includes: an indoor side end 2a to which an exhaust pipe 13a is connectable from a new dryer 13 replacing an existing ventilation fan 12; and an outdoor side end 2b to which an outer hood 8 covering the new sleeve 2 from the outdoor side B is connectable. COPYRIGHT: (C)2011,JPO&INPIT