Soffit ceiling structure, fireproof reinforced body and fire reinforcement method of soffit ceiling structure

摘要

PROBLEM TO BE SOLVED: To improve fireproof performance of an eaves back while maintaining the thickness of an eaves back ceiling plate in the eaves back ceiling structure of a building.;SOLUTION: In the eaves back ceiling structure in which an eaves back ceiling plate 35 having a predetermined fireproof performance is installed at the eaves back of the building and an eaves back space S is formed above the eaves back ceiling plate 35, the upper surface of the eaves back ceiling plate 35 is covered with a fireproof reinforcement body 70 through an air layer E. The fireproof reinforcement body 70 is formed by laminating one layer or two layers or all layers of a fireproof heat-insulating layer 71, a heat shielding layer 72 and a heat absorbing layer 73.;COPYRIGHT: (C)2009,JPO&INPIT