What should I do if I find that it is cement mixed with broken foam after the hollow drum of the bal

What you don't doubt is that the quality of the building is not in the exterior decoration, but in the ontology of the architectural structure. The exterior decoration can be rectified.

1. Empty drum treatment.

Gently tap the bricks on the plane with a small hammer, when you hear the sound of clanging, relatively hollow, it proves that the tiles have a hollow drum phenomenon, the hollow drum of the wall tiles may cause falling off, bringing potential safety hazards, and the hollow drum of the floor tiles will lead to arching and warping, which is detrimental to the appearance. For the difference in the area of the hollow drum, we can do different treatment. >>>More

If it is an exterior wall, there should be no problem, and the exterior wall has an insulation layer.

There must be an impact, after laying the floor, the place where the hollow drum is often stepped on will gradually recess or protrude, and it is not easy to maintain in the later stage. >>>More

Don't look at the small bathroom, do it well and give full play to its function, if it is not done well, it will waste manpower and material resources, and it will also affect the mood; The most basic requirements of the bathroom must be leak-proof, the water must use high-density cement, the sand should be clean, the particles are small and do not contain mud, the wall is solid, the waterproof glue is used to adjust the cement brush several times after the batch, and then paste the porcelain decorative parapet wall after drying, and the tiles are not leaking if they are broken.