The floor drain in my bathroom always gushes when it rains heavily or rains, and the smell and sewag

It may be that your storm sewer and sewer are used in one pipe! The whirring sound of nothing is the sound of running water!

When it rains, due to the increase in the outside air pressure, the odor in the pipe is backfilled, it is recommended to install a fully automatic sealed floor drain, or you can use a deep water seal floor drain, but the height of the water seal should exceed 5CM.

Your outdoor drainage well is located in a low-lying area (the surrounding water flows to it), or the diameter of the drainage pipe is too small, and the sewage in the well cannot be discharged in time during heavy rain, your home may be a low floor, and the users upstairs are still living normally and draining normally) will naturally backwash out the floor drain and other drainage outlets of your home. >>>More

You can replace it with a water seal drain Choose a floor drain You can look at the Jindel floor drain This kind of floor drain is a large water seal anti-odor floor drain, the water seal height meets the national requirements of 5cm, and the water seal storage capacity exceeds 300ml, which can ensure that it does not dry up for 30 days, and there is no one at home for a long time in time, and there is no need to worry about the overflow of odorous germs, and the water seal of other products on the market is located in the drainage pipe, the volume is too small, and it is easy to dry up, resulting in the failure of the water seal, and it cannot play the role of actual anti-odor, anti-virus and anti-bacterial insects. At the same time, it also has a siphon function, and the water is faster than the general floor drain.

The waterproofing is not done well, and the leakage comes in.