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Generally speaking, they don't stay, but it depends on local conditions and your own opinions.
Of course it's not sealed, it's sealed, how can the rainwater on the balcony be drained?
The package of the cabinet and the outside of the cabinet are generally made of marble or something.
The brick seal has a large appearance and is not very good-looking. Now there is a kind of artificial marble slab seal, which is both beautiful and expensive, and it is recommended that you go and check it out.
Communication and mediation should be carried out through the social and neighborhood committees first, and if it fails, the police can be called. I hope my answer can help you.
PVC special glue, hardware stores or pipes are available, and the bottle is about five yuan.