All the interior components are prefabricated up to the vapourbarrier.
所有的室内组件和隔汽层都是预制的。
2
Structural softwood decking beneath a polyethylene vapourbarrier and deep I-beam rafters supports 500 mm of cellulose fibre insulation.
结构软木装饰在聚乙烯隔汽层下面，深的I型梁、椽支撑着500 m m厚的纤维板保温层。
3
Discusses design requirements and some important points of duct insulation and vapourbarrier in cold air distribution systems, and presents in details the concerns in construction of duct insulation.