General Building Research Corporation of Japan (日本建築総合試験所, GBRC)

GBRC is a third-party organisation in Suita, Osaka. It runs fire-resistance and fire-protection testing (耐火・防火試験) on columns, beams, floors, roofs, walls, fire doors and compartment penetrations, using column, wall and horizontal furnaces. Its reaction-to-fire tests include heat release, non-combustibility, gas toxicity and model-box tests. It is designated by the Minister of Land, Infrastructure, Transport and Tourism (MLIT) to carry out 性能評価 (performance evaluation) under the Building Standards Act (国土交通大臣 第4号), and its material testing is JNLA-registered (JNLA Z90119JP).