How to find a merchant if a billboard leaks?
˙﹏˙My house lives on the top floor, which is exposed to water, and there is a billboard on it, which leaks when we see the fence. We are the last welfare room allocated by the hospital, and the billboard belongs to the hospital.
Go to the hospital to solve the problem first. If you solve it yourself, since it is shared by everyone, the maintenance costs will be shared between the upstairs and downstairs. Free professional technical consultation on concrete waterproofing and leakage repair