INTERNAL ROOM FORMING CONSTRUCTION

摘要

PROBLEM TO BE SOLVED: To form an internal room efficiently without spending excess labor. SOLUTION: In an internal room forming structure for freely assembling and installing side by side the internal roof with a plurality of panel members for forming the internal room R inside an existing room, an air exhaust duct portion 10 for freely exhausting air from the inside of the internal room R is provided in part of a plurality of panel members, and an exhaust hole 11 of the exhaust duct portion 10 is provided in a state facing to an opening 20 in the existing room.