External walls’ external thermal insulation technique is an important way of construction energy-saving.In this paper,three kinds of its advantages and disadvantages,materials’ choice problems and other noticeable p...External walls’ external thermal insulation technique is an important way of construction energy-saving.In this paper,three kinds of its advantages and disadvantages,materials’ choice problems and other noticeable problems in construction are discussed.Through comparison between the polyphenyl plates and polyphenylene grains of colloid powder,the service conditions of the two kinds of thermal insulation materials are told.展开更多
文摘External walls’ external thermal insulation technique is an important way of construction energy-saving.In this paper,three kinds of its advantages and disadvantages,materials’ choice problems and other noticeable problems in construction are discussed.Through comparison between the polyphenyl plates and polyphenylene grains of colloid powder,the service conditions of the two kinds of thermal insulation materials are told.