1、舊樓板鑿毛后應用水清洗，清干凈殘渣，并充分濕潤，保證新結構澆搗混凝土時界面是濕潤的。
1、the old floor after the application of water cleaning, cleaning residue, and fully wet, to ensure that the new structure poured concrete interface is moist.

2、澆筑混凝土前應嵌填遇水膨脹密封膠5 x 8mm，涂刷混凝土界面劑。
2、pouring concrete should be filled with water expansion sealant 5 8mm x, brushing concrete interface agent.

3、澆搗混凝土時接縫處需細心振搗密實，使新舊混凝土結合緊密，澆筑后應及時養護。

3、pouring concrete when the joints need to be carefully vibrating compaction, so that the old and new concrete combination of close, should be timely maintenance.

4、在接縫處涂刷低模量、高延長率的薇妮屋頂防水涂料附加層，厚度不小于2mm，寬度為300mm，另整體涂刷薇妮屋面防水涂料（三涂一布）。
4、at the juncture of the coating low modulus, high elongation of the waterproof coating, the thickness of not less than 2mm, width of 300mm, the other is not less than 1.2mm thick waterproofing coating system.

5、鋪貼大面屋頂防水層，與原屋面屋頂防水層搭接不小于100mm，并密封嚴實。
5、the shop is stuck with the original surface of the waterproof layer, waterproof layer overlapping is not less than 100mm, and sealed.

6、屋頂防水層完成后及時進行保溫層等下一道工序施工。
6、waterproof layer is completed in a timely manner to protect the next process of construction.