3. Open the air outlet: confirm the position of the ventilation hole on the wall and open a round hole with a diameter of 105MM.
　　
4. Main keel : If you do not use our Lightgage Steel Joist Please prepare square timber with good moisture-proof property, which is generally 4CM * 4CM, and reserve 2 pieces for each room according to the longer length of the room. (You just need to put it on the ground)
　　
5. Leave enough wires on the top: in general, 7 wires with wind heating (including two-color grounding wire), pure lamp 5 warm ones (including two-color grounding wires) The kitchen should be wired according to how many lights you need, at least 4 (including two-color grounding wires), that is, one light, one ventilator The length of the wire can reach to the far end of the room. switch The cassette is 86 type.
　　
　　6. window curtains Frame: If there are curtain frames in the bathroom and kitchen, please install them in advance.
　　
　　7. heater : If the toilet is equipped with an electric water heater, please use it in advance board Pack the water heater; If the kitchen is equipped with gas water heater, please confirm the installation height of the exhaust hole. If it exceeds the height of the ceiling, please tell us the size of the exhaust pipe so that we can reserve holes on the ceiling.
　　
You just need to do the above 7 things well, other The ceiling professionals will do all the work!
　　
　　 Tips on ventilation module installation
　　
1. The length of the ventilation pipe should not exceed 1.5m, so the distance between the ventilator and the ventilation window should be paid attention to.
　　
2. The vent pipe shall not be connected to the same flue as the exhaust pipe of the gas water heater to prevent dangerous gas from seeping into the bathroom.
　　
3. Even if installed in the kitchen Range hood It is also recommended to install a ventilator at the top of the range hood, which can not only promote the function of the range hood when cooking, but also purify the kitchen air after the range hood is turned off.
　　
　　 Four common notes of suspended ceiling
　　
The scope of suspended ceiling works is wide, but no matter what type, reasonable design, high-quality materials, and standardized construction technology are important factors to ensure quality and safety.
　　
At the front, the suspended ceiling is mostly used in the indoor decoration ceiling project. First of all, pay attention to the selection of materials, and then operate in strict accordance with the construction specifications. When installing, the location must be correct and the connection must be firm. The decorative materials used for ceiling, wall and floor shall be non combustible or non combustible, and the wooden materials are flammable, so fire prevention treatment shall be carried out. Lighting air conditioner Such electrical pipelines shall be operated in strict accordance with the specifications to avoid potential fire hazards. Second, the concealed ceiling shall be provided with manholes. In the family decoration, the ceiling is generally not provided with manholes, which affects the beauty. It is unknown that once the pipeline equipment in the ceiling fails, it is impossible to check and determine what part, what reason, and even more impossible to repair. Therefore, it is better to set manholes for the ceiling laying pipelines. You can choose to set manholes in the relatively concealed and easy to check parts, and carry out artistic treatment on the manholes, For example, it is combined with lamps or decorations.