水泥砂浆地面大面积起砂,如果其表面强度尚好,可用水磨石机加水磨去起砂松散表层,即可正常使用。如果其水泥石强度低,需要做表面处理。某轻工厂房现浇水磨石地面的水泥石强度太低,表层大面积起粉。后由专业防水补强队伍配制透明改性环氧树脂,用油漆刷将水 Large area of ​​cement mortar from the sand, if the surface strength is still good, available terrazzo machine with water to remove loose sand surface, you can use. If its strength is low cement, need to do surface treatment. A light factory floor water mill stone cement floor strength is too low, the surface area of ​​flour. After the team by the professional waterproofing transparent modified epoxy resin preparation, paint brush with water