GB 50222-2017 第3.0.5条
| | When plywood surfaces are coated with Grade I decorative fire-retardant coatings, they may be used as Class B1 finish materials (applicable to hotel walls, partitions, etc.). |
| | When plywood surfaces are coated with Grade I decorative fire-retardant coatings, they may be used as Class B1 finish materials (applicable to hotel walls, partitions, etc.). |
12 hotel MEP experts online, answers cite standard clauses you can verify.
Ask free →Engineering reference only — verify against project conditions and the latest codes.