由天津市建筑科学研究所和天津市三建构件公司共同研制出一种新型板材(?)建筑防水保温隔热复合板。 该板是建筑屋顶用的覆盖板,是将保温隔热层与防水层经挤压网结为一体的防水、保温隔热型复合板材。 A new board (?) building waterproof thermal insulation composite board was jointly developed by Tianjin Institute of Building Research and Tianjin Sanjian Component Company. The board is a covering board for the roof of a building, and is a waterproof, heat-insulating composite board in which a heat-insulating layer and a waterproof layer are pressed together into one.