After the bathroom is waterproofed, the floor is uneven, and the cement can t be wiped off, how to d

It is necessary to supplement the questions in detail, and it is not clear to see;

If the cement mortar surface is not very smooth and there are too many burrs, a small area can be smoothed with a portable angle grinder + diamond small grinding disc; If the area is large, you can consider terrazzo grinding.

Under normal circumstances, when the bathroom is waterproof, the ground needs to be leveled and then cleaned before being waterproof. Whether you use mortar waterproofing agent or waterproof paint for waterproofing, the ground should be flat after doing it, and then tiled. Now it is recommended that there are two ways to deal with uneven ground, one is to use mortar waterproofing agent to do waterproofing again, and the other is to level the ground when using mortar to paste tiles.

It is not recommended to use mechanical tools to sand on the waterproofing layer, as this may damage the waterproofing layer.