What size does the ceiling manhole need to be left?

Release time：2021-11-01　　　　 Time to browse

1. 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.

2. If it is only an access manhole, 1M × One meter is OK. If it is an access opening for specific equipment, the equipment needs to enter and exit from this opening, and the access opening shall be 200mm more than each side of the equipment outline.

3. The ceiling with central air conditioner is generally suspended for 25cm-30cm and reserved for 30cm × 50cm manhole is suitable.

4. The ceiling height of different air conditioners is also different. The minimum is about 200mm, and the maximum may be 600mm

Manhole (hereinafter referred to as manhole and inspection port): it is a kind of manhole that is required in the decoration process, such as central air conditioning pipeline, wire pipe, toilet water supply and drainage pipe, etc. (the technician is used to repair the manhole or upper manhole of the pipeline inside the ceiling).

At present, there are double frame cross switch manhole, gypsum aluminum alloy and plane manhole, which effectively solves the maintenance problem of decoration ceiling project and makes the decoration ceiling concealed project more perfect.

Manholes shall also be set at necessary positions of various drainage pipes to dredge and clean the pipes.

Various embedded lines, pipe wells and other places also need to be provided with manholes,

Inspection openings are also reserved for some electrical equipment.