-
Anonymous users2024-01-24Theoretically, it is not possible, but the construction site is difficult to manage, and often workers will fill in with some construction waste without the management personnel paying attention. The toilet sink is filled with sand according to the regulations.
Often, only the sunken toilets are treated simply and rudely, and the fillers are also varied, and even the construction waste is backfilled. While you may not see anything wrong with this in the short term, over time, it is prone to water seepage
It is recommended that the ceramsite backfill. >>>More
Construction waste is not allowed to backfill. Backfill should be carried out according to the design requirements. Generally, ceramsite is mostly used.
Just find out the cause of the leak is a leak in the water pipes laid underneath. >>>More
The thickness of the mortar is at least 5 cm, otherwise the effect is not good.