The flue is blocked by rain and water leakage. How to fix it?

Smoke flue plays an important role in the kitchen, which can not only discharge oil fume to improve the indoor environment, but also play a role in fire prevention.

Ventilation flue should be installed layer by layer from bottom to top, and care should be taken not to let sundries fall into the ventilation flue to ensure the smooth exhaust flue. The main reasons for flue blockage are: first, cement and mortar were not cleaned up in time during the plastering process of the construction portal; Second, when workers clean up construction waste, it is convenient to pour it directly into the smoke exhaust pipeline; Third, in order to catch up with the progress of the project, the construction personnel forgot to reserve smoke exhaust holes.

The exhaust duct in the kitchen connects upstairs and downstairs. Once there is a jam, the kitchen fumes can't be discharged to the outside, polluting the indoor air.