Design and Climate-Responsiveness Performance Evaluation of an Integrated Envelope for Modular Prefabricated Buildings
Table 2
Heat transfer performance of the integrated envelope.
Construction details of the integrated prefabricated building envelope
Position
Construction details (from interior to exterior)
Comprehensive heat transfer coefficient of the building’s exterior (nontranslucent) envelope
Using HIPs as a thermal insulation material
Exterior wall
6 mm bamboo exterior finished surface; two 15 mm layers of HIP insulation; waterproof layer; 18 mm OSB structural board; light steel structural infill with 80 mm thick rock wool insulation panel; 9 mm interior finished surface
0.124 W/(m2·K)
Building roof
20 mm bamboo plywood surface layer; waterproofing membrane; 20 mm bamboo plywood surface layer; two 15 mm layers of HIP insulation; 18 mm OSB structural board; light steel structural infill with 140 mm thick rock wool insulation panel; 9 mm interior finished surface
0.105 W/(m2·K)
Using ABs as a thermal insulation material
Exterior wall
12 mm aluminum plastic panel with air gap; 10 mm AB insulation; waterproof layer; 18 mm OSB structural board; light steel structural infill with 80 mm thick rock wool insulation panel; 6 mm AB insulation; 9 mm OSB interior finishing board
0.257 W/(m2·K)
Building roof
20 mm bamboo plywood surface layer; waterproofing membrane; 20 mm bamboo plywood surface layer; 10 mm AB insulation; 18 mm OSB structural board; light steel structural infill with 140 mm thick rock wool insulation panel; 6 mm AB insulation; 9 mm OSB interior finishing board
