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You use a broken plastic basin, break a piece, bake it over a fire, and plug the hole.
Or use glass glue directly, but not too much, just seal the hole, otherwise it will affect the water.
Never use water until the glue is dry. About a day.
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You can try it with a metal bellows, I haven't seen the scene situation, it's hard to say.
It is not good to use cement.
It's better to use glue. Sealants work better than cement. >>>More
The balcony is generally installed with rainwater pipes, and there is generally a floor drain on each floor, and the inspection port (sweeping port) is no longer installed in other locations, because the drainage outlet on the top floor is also a floor drain, and the floor drain itself is buckled, and the rainwater is not too dirty and seasonal drainage, so the sweeping mouth is generally not installed
Plastic is still iron, and sunlight will accelerate the aging of plastics.
Don't worry, it won't, at most, it's always blocked, and there's no water pressure, it won't burst.
It is sold in the general building materials market.
Please adopt it in time Oh ( O thank you >>>More