Working Paper Article Version 1 This version is not peer-reviewed

Benefit of Green Roof to Thermal Insulation and Heat Preservation of Sheet Metal Houses

Version 1 : Received: 12 March 2021 / Approved: 15 March 2021 / Online: 15 March 2021 (11:28:53 CET)

How to cite: Chuang, T.; Chang, Y.; Lu, H.; Chang, W.; Tsai, Y.; Huang, W. Benefit of Green Roof to Thermal Insulation and Heat Preservation of Sheet Metal Houses. Preprints 2021, 2021030370 Chuang, T.; Chang, Y.; Lu, H.; Chang, W.; Tsai, Y.; Huang, W. Benefit of Green Roof to Thermal Insulation and Heat Preservation of Sheet Metal Houses. Preprints 2021, 2021030370

Abstract

The purpose of this study was to arrange a green roof on a sheet metal house to achieve winter heat preservation and summer thermal insulation using different plants and soil media, and to maintain the advantage of cost-saving and quick installation of sheet metal houses. In terms of the research method, the roof insulation, heat preservation and plant growth index were tested. Plants were grown in 10 container-type green roofs on the sheet metal house roof, and the physical environment of the building was monitored for one year. Five containers of commercially-available culture soil and five containers of sustainable composite were used as the media for growing five kinds of plants, respectively. The control group only had a sheet metal house roof. There were 11 experimental modules for testing whether the green roofs had thermal insulation, heat preservation and plant growth effects on a general sheet metal house. The results showed that, regarding the thermal insulation benefit assessment, the Sedum acre cv. robustum of green roof Groups B to D caused the temperature to be 38.29°C lower than the surface of the simple sheet metal house roof in August, showing a temperature difference of 54%.

Subject Areas

Green roof; Sheet metal; Thermal insulation

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