Use of roofing material and glossy surface Qianyanshai extent of the reflection of solar radiation heat role of the surface can also reduce its spread indoor humidity and the heat.

• 利用屋面材料外表面的浅颜色和光滑程度对太阳辐射热的反射作用，也可以降低其内表面的湿度和传入室内的热量。