BS 5250-2011
建筑物内冷凝控制的实用规程

Code of practice for control of condensation in buildings

BS 5250-2011 发布历史

This British Standard gives recommendations and guidance on avoiding problems with high moisture levels and condensation in buildings. Recommendations given are based on forms of construction commonly adopted in the UK. This British Standard gives guidance on the risks associated with excessive humidity in buildings, notably mould growth and condensation, which can endanger the health and well-being of building occupants and the integrity of the building fabric. It describes the principal sources of water vapour, its transportation and deposition and provides guidance on how to manage those risks during the design, construction and operation of buildings. The guidance contained in this standard is relevant to buildings of all types, whatever their form, construction and occupancy. However, this standard does not cover buildings used for storage at sub-zero temperatures. Recommendations and guidance on how to avoid penetration of the building envelope by water is contained in other British Standards, for example BS 8103-1 , BS 8103-3 and BS 8103-4 for floors, BS 8103-2 and BS 8104 for walls, BS 5534 for pitched roofs and BS 6229 for flat roofs. Essential design data are contained in the annexes to this standard, including: The essential relationship between temperature and moisture content of air; Methods of calculating the risk of surface and interstitial condensation; Typical quantities of moisture generated in buildings of various uses and levels of occupation; Thermal conductivity and vapour resistivity values of common building materials; Factors for the conversion of common units.

BS 5250-2011由英国标准学会 GB-BSI 发布于 2011-12-31，并于 2011-12-31 实施。

BS 5250-2011 在中国标准分类中归属于: P31 建筑物理，在国际标准分类中归属于: 91.120.99 有关建筑物防护的其他标准。

BS 5250-2011 发布之时，引用了标准

• BS 3533 绝热术语词汇
• BS 5534 斜屋顶和垂直覆盖层用石板瓦和盖瓦. 实施规程*， 2014-08-31 更新
• BS 5925 自然通风的通风原理和设计实用规程
• BS 6229 有连续支撑屋面层的平屋顶.实用规范
• BS 8104 墙壁抗风雨侵袭评估实用规程
• BS 8297 无负荷预制混凝土护板设计和安装实用规程
• BS 8298 *， 2020-12-16 更新
• BS 9250 坡屋顶顶棚密封性设计的实施规范
• BS EN 490 屋顶覆盖物和墙面饰层用混凝土屋面瓦及配件.产品规范*， 2012-01-31 更新
• BS EN 1279 *， 2018-08-06 更新
• BS EN 14783 盖屋顶、外部覆层和内衬用全支撑金属薄板材和带材.产品规格和要求*， 2013-05-31 更新
• BS EN ISO 6946-2007 建筑组件和构件.热阻和热传导系数.计算方法
• BS EN ISO 10211 
• BS EN ISO 13788 建筑物部件和结构件的湿温性能.防止临界表面潮湿和缝隙冷凝的内表面温度.计算方法*， 2013-01-31 更新
• BS EN ISO 13789 

* 在 BS 5250-2011 发布之后有更新，请注意新发布标准的变化。

BS 5250-2011的历代版本如下：

• 2002年11月01日 BS 5250-2002 建筑物内冷凝控制的实用规程
• 2011年12月31日 BS 5250-2011 建筑物内冷凝控制的实用规程
•  BS 5250-2011+A1-2016 建筑物内冷凝控制实施规程
• 2021年07月29日 BS 5250-2021

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标准号

BS 5250-2011

发布日期

2011年12月31日

实施日期

2011年12月31日

废止日期

无

中国标准分类号

P31

国际标准分类号

91.120.99

发布单位

GB-BSI

引用标准

BS 3533 BS 5534 BS 5720 BS 5925 BS 6229 BS 8104 BS 8297 BS 8298 BS 9250 BS EN 490 BS EN 1279 BS EN 14783 BS EN ISO 6946-2007 BS EN ISO 10211 BS EN ISO 13788 BS EN ISO 13789

被代替标准

BS 5250-2002

适用范围

This British Standard gives recommendations and guidance on avoiding problems with high moisture levels and condensation in buildings. Recommendations given are based on forms of construction commonly adopted in the UK. This British Standard gives guidance on the risks associated with excessive humidity in buildings, notably mould growth and condensation, which can endanger the health and well-being of building occupants and the integrity of the building fabric. It describes the principal sources of water vapour, its transportation and deposition and provides guidance on how to manage those risks during the design, construction and operation of buildings. The guidance contained in this standard is relevant to buildings of all types, whatever their form, construction and occupancy. However, this standard does not cover buildings used for storage at sub-zero temperatures. Recommendations and guidance on how to avoid penetration of the building envelope by water is contained in other British Standards, for example BS 8103-1 , BS 8103-3 and BS 8103-4 for floors, BS 8103-2 and BS 8104 for walls, BS 5534 for pitched roofs and BS 6229 for flat roofs. Essential design data are contained in the annexes to this standard, including: The essential relationship between temperature and moisture content of air; Methods of calculating the risk of surface and interstitial condensation; Typical quantities of moisture generated in buildings of various uses and levels of occupation; Thermal conductivity and vapour resistivity values of common building materials; Factors for the conversion of common units.

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