GB 50264-2013 第4.2.3条
| **** | Thermal insulation materials used for cold preservation should have a density not greater than 200 kg/m³ and good resistance to water vapor permeation. |
| **** | Thermal insulation materials used for cold preservation should have a density not greater than 200 kg/m³ and good resistance to water vapor permeation. |
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.