What is the national standard for the thickness and hardness of indoor residential cement?
From the technical point of view how to deal with the wall: shovel now is the cement mortar level, re-do
The surface of the wall is the cement mortar leveling layer, the general thickness is not required, the mortar cement ratio, cement label, flatness and so on are required.
Look at your situation, it should be cement mortar in the proportion of cement is too low, you can find the developer claims, but it is best private or to the local construction commission of the quality inspection station complaints, the court reluctant to accept these small cases, say the time Also can not afford to drag.
The choice of the wall will generally consider whether there is sufficient strength and stability, thermal insulation requirements, fire and moisture requirements, sound insulation requirements. The city's building is generally 24 walls or 37 walls, the rural area is generally the majority of 18 walls
