First, the base must be leveled, mosaic is different from other tiles is a plane, if the grass-roots wall is not part of the uneven or the effect is ugly; Secondly, to use professional mosaic adhesive, generally is neutral to be good - don't use white cement and black mud to paste, the first general cement is alkaline, with corrosion of the mosaic bottom glaze, long after the mosaic may appear color fading; Moreover, the paste is not strong, long time will appear a single drop, it is difficult to clean. Recommended professional mosaic adhesive: Henkel, ma Bei, Davco, sika and other brands. In addition, after paving, must be filled with special sealant, avoid using white cement joint filling, the first, the sealant itself is waterproof and anti - pollution, and in itself is very delicate, especially filling the gap with wet sponge to clean the seam of the whole mosaic is smooth, smooth, delicate, and white cement is not good, very rough, the gap is blurred after filling out, not to map out the effect of the mosaic. Finally, it is suggested that the ground should not be mosaic, 1, 2 years can not see the problem, the time is long, it is not good to say, the wall is not very affected
