1. Dust and sundries on the surface should be removed before cleaning, which can be cleaned with a soft brush or vacuum cleaner.
2. Prepare cleaning solution, you can choose professional masonry cleaner or homemade cleaning solution. Self-made cleaning solution can be mixed with warm water and a small amount of neutral detergent.
3. Pour the cleaning solution on the masonry surface and gently wipe it with a brush or sponge. Be careful not to use too much force to avoid scratching the masonry surface.
4. If there are stubborn stains on the masonry surface, you can use special cleaning agent for masonry or acidic cleaning agent for cleaning, but pay attention to the usage method and concentration to avoid damaging the masonry surface.
5. After cleaning, rinse the masonry surface with clear water to ensure that the detergent and stains are washed clean.
6. Finally, dry the masonry surface with a clean towel or rag to avoid leaving water stains and water marks.
It should be noted that the surface of masonry has different treatment methods, and some special masonry needs special cleaning agents and methods, so it is best to know the materials and treatment methods of masonry before cleaning.