Tiles and floors are dirty. What should I do if they are black?

Replace the caulking agent in the original gap with the caulking agent in the blackened part; Or clean it with a suitable detergent.

The caulking agent replaced the caulking agent in the original gap. Be sure to use tools to remove the blackened caulking agent first, otherwise your later work will be more difficult, but here's a reminder, you should also pay attention when removing it, don't scratch the corners of the tiles, and pay attention to safety.

After removing the blackened caulking agent, it must be cleaned up first, and at the same time, every gap must be cleaned up, which will also affect the later bonding effect.

Cleaning and maintenance of ceramic tiles:

1. Ordinary dust on the surface of ceramic tile can be cleaned with detergent, soap and washing powder.

2. The wax layer of polished tiles can be removed by decontamination king.

3. Cement scale, caulking agent and other dirt remaining on the surface of ceramic tile can be removed by descaling king.

4, paint, paint and other pollutants with chemical solvents to dissolve and remove, such as Tianna water.

5, black metal scratches, welding marks, etc. Can be removed by descaling king.