After you finish the installation of EPS Cement Sandwich Panel partition wall you can complete the surface leveling work quickly with simple standard operation. First you need to use a long straight rule to check the flatness of the whole wall surface of EPS Cement Sandwich Panel and mark the local uneven positions. Then you can use a portable electric planer to gently grind down the raised parts on the surface of EPS Cement Sandwich Panel until the whole wall reaches the required flatness standard. Then you can apply a thin layer of special interface agent on the whole surface of EPS Cement Sandwich Panel to enhance the bonding force between the panel and the subsequent putty layer. After the interface agent is completely dried you can scrape 2 to 3 layers of interior wall putty on the surface of EPS Cement Sandwich Panel and polish it gently to get a perfectly smooth wall base. This simple surface leveling process takes much less time than the traditional cement plastering process for brick walls and greatly improves the decoration construction efficiency.
