The present invention specifies a fire-resistance filling material that can enable durability of fire-resistance performance, heat insulation, sound insulation, and mass production by a method of manufacturing a wooden heat-shielding fire door, a steel heat-shielding fire door, and a fire wall By suggesting a method that can contribute to mass production of modularized products by eliminating defects in order to contribute to improving product safety and completeness by automating star production, domestic and overseas mass supply has been possible.
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