FIREPROOF COATING METHOD, STEEL BEAM, AND FIREPROOF COATING MATERIAL

• Main Author: HATANAKA ATSUSHI
• Format: Patent
• Language: English; Japanese
• Published: 21.07.2022
• Subjects: BUILDING; CEILINGS; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; INSULATION OR OTHER PROTECTION OF BUILDINGS; ROOFS; WALLS, e.g. PARTITIONS

To provide a fireproof coating method capable of improving water resistance between an inner edge of an opening that is formed in a fireproof coating material and a steel frame material, a steel beam, and a fireproof coating material.SOLUTION: A fireproof coating method of a steel frame material formed with an opening includes: a preparation step (S1) of preparing a steel frame material formed with an opening, a fireproof coating material that has fireproof insulation for protecting an area adjacent to the opening of the steel frame material from a high temperature, and a water-resistant member with water repellency; and a fireproof step (S2) of coating an area facing an inner peripheral edge of the opening formed in the steel frame material with a fireproof coating material; and a water-resistant step (S3) of, after the fireproof step, coating a side part of a joint between the fireproof coating material and the inner edge of the opening with a water-resistant material.SELECTED DRAWING: Figure 6 【課題】耐火被覆材と鉄骨材に形成された開口部の内周縁との間の耐水性を向上させることができる耐火被覆方法、鉄骨梁及び耐火被覆材を提供する。【解決手段】開口部が形成された鉄骨材の耐火被覆方法であって、開口部が形成された鉄骨材と、鉄骨材の開口部の近傍を高温から保護する耐火断熱部を有する耐火被覆材と、撥水性を有する耐水部材と、を準備する準備工程（Ｓ１）と、鉄骨材に形成された開口部の内周縁に対向する位置を耐火被覆材で被覆する耐火工程（Ｓ２）と、耐火工程のあと、耐火被覆材と開口部の内周縁との接合部分の側部を耐水部材で被覆する耐水工程（Ｓ３）と、を備える。【選択図】図６