• How to install gypsum manhole?

  After the installation of gypsum board, the joints can be filled with gypsum powder and glue mixed into putty, or buy special joint putty for gypsum board; During joint filling, the putty must be leveled; After the putty is dry, apply white emulsion glue to the gap and stick the bandage on it.

  2021-11-02

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• What is the normal size of the manhole?

  The commonly used dimensions of maintenance openings on the market are: 300x300350x350400x400450x40500x500, of which 400X400 is the most common. If the manhole needs to be accessible, it should be opened to more than 500x500 and exceed the shoulder width of the human body.

  2021-11-01

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• Reasons and precautions for making central air conditioning manhole

  The central air conditioner has a maintenance opening to facilitate the later operation and maintenance of the air conditioner. The internal unit of the central air conditioner is installed in the ceiling, and the main parts are concentrated in the electrical box of the internal unit. There is no manhole

  2021-11-01

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• What quota should be set for the manhole in the decoration project? Manufacturing materials

  The ceiling manhole is included in the ceiling. There is no manhole sub item in the general quota, but now the manhole cost is getting higher and higher. The group price of similar sub items (such as door and window items) can be borrowed and included in the comprehensive unit price of the list according to the content.

  2021-11-01

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• What size does the ceiling manhole need to be left?

  The size is not specified. If you need someone to enter the ceiling, most of the openings are 500x500. If you don't need someone, you can use 300x300. Now more finished manholes are used. First, they are beautiful, and then they are relatively regular.

  2021-11-01

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• Size, operation and specification of ceiling manhole

  Although the ceiling manhole is not a necessary process in the process of home decoration, its installation can help us achieve a more satisfactory effect in the later stage. It plays an indispensable role for friends who intend to install central air conditioning or ventilation treatment. So how can we harvest a satisfactory ceiling manhole? We should start from three aspects: size, practice and specification. For example, what we analyze today is the knowledge content worthy of reference.

  2021-11-01

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