规范的这一部分涉及正常用途的所有类型的木门，以及悬挂门和固定其框架和衬里时使用的不同方法。建议包括天气保护、通风、防火、火焰传播、隔热和耐久性。随附草图对各种类型的门及其不同的开启方法进行了全面描述，并对经济性、强度、刚度和尺寸稳定性进行了指导。交叉引用:BS 459:第1BS 459部分:第2BS 459部分:第3BS 459部分:第4BS 476部分:第1BS 1202BS 1204BS 1210BS 1227BS 1245BS 1282BS 1444BS 1455BS 2504CP 3:第IVCP 3章:第XCP 112CP 112.100CP 121.101CP 122CP 231伦敦建筑（构造）附例1952

This part of the code deals with wooden doors of all types for normal purposes and with the different methods employed in hanging doors and fixing their frames and linings. Recommendations are given on weather protection, draught exclusion, precautions against fire, spread of flame, thermal insulation and durability. The various types of doors and their different methods of opening are fully described with accompanying sketches, and guidance is given on economy, strength, rigidity and dimensional stability.Cross References:BS 459:Part 1BS 459:Part 2BS 459:Part 3BS 459:Part 4BS 476:Part 1BS 745BS 1186:Part 1BS 1202BS 1204BS 1210BS 1227BS 1245BS 1282BS 1444BS 1455BS 2504CP 3:Chapter IVCP 3:Chapter XCP 112CP 112.100CP 121.101CP 122CP 231London Building (Constructional) By-laws 1952