Steel frame outer wall fireproof insulation structure

摘要

PROBLEM TO BE SOLVED: To provide a fireproof and heat-insulating structure for an exterior wall of steel construction, which can maintain high thermal insulation performance in a building of the steel construction.SOLUTION: A fireproof and heat-insulating structure for an exterior wall of steel construction includes: a plurality of longitudinal steel frames 1 that are arranged at horizontal intervals; a fireproof board 2 that is provided on the outdoor side of the plurality of longitudinal steel frames 1; a heat insulation board 4 that is provided on the outdoor side of the fireproof board 2; and the exterior wall 3 that is provided on the outdoor side of the heat insulation board 4.SELECTED DRAWING: Figure 1