Lei, K.-T.K.-T.LeiTang, J.-S.J.-S.TangChen, P.-H.P.-H.ChenPO-HAN CHEN2019-12-202019-12-202019https://scholars.lib.ntu.edu.tw/handle/123456789/437630Green roofs not only improve architectural aesthetics but also help with sustainable development of urban areas. Since modern cities lack green areas, green roofs have been widely used in recent years. This paper is focused on the thermal properties of green roofs and development of a finite element analysis model for the improvement of indoor thermal comfort. A full-scale field experiment was carried out on a school building in Taipei from 29/12/2011 to 01/07/2012 to verify the analysis model and investigate the actual benefit of extensive green roofs. Results found that green roofs have little insulation effect in winter but significant cooling effect in summer, which would decrease the indoor temperature up to 4°C, compared to bare roofs. © 2019, © 2019 The Chinese Institute of Engineers.energy conservation; Extensive green roof; finite element analysis; indoor thermal comfort[SDGs]SDG4[SDGs]SDG7[SDGs]SDG11[SDGs]SDG12[SDGs]SDG13Energy conservation; Roofs; Thermal comfort; Analysis models; Cooling effects; Extensive green roofs; Finite element analysis model; Full-scale field experiment; Green areas; Indoor temperature; Indoor thermal comfort; Finite element methodjournal article10.1080/02533839.2019.15852072-s2.0-85063396090https://www.scopus.com/inward/record.uri?eid=2-s2.0-85063396090&doi=10.1080%2f02533839.2019.1585207&partnerID=40&md5=e722b16a19fe1d7a39e681db87e0cee9