What is the roof of Runze Mansion?

60 cm waterproof insulation layer. The house on the top floor is mainly considered from two aspects: water leakage and heat protection. The insulation layer is very good, the external insulation layer on the wall and the 60 cm waterproof insulation layer on the roof. Runze Mansion was built by Beijing Runze Zhuangyuan Real Estate Development Co., Ltd. on 20 1 1, with a total of 13 buildings and 2,029 houses. The residential property company is Guo Mao Hotel Property Management Co., Ltd.