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Anonymous users2024-01-23The keel sawed off by installing the downlight is not the main keel, and there is no problem.
It is recommended that without affecting the aesthetics, it is recommended to change the place without a keel to open a hole.
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Anonymous users2024-01-22As long as you don't bear the weight, it doesn't matter.
It should seriously affect the structure of the house, and the property and the construction party should cooperate with the property and the builder to strengthen the beam body to avoid future troubles.
If you buy the lamp with the help of the electrician, you better buy the lamp before opening the hole, so that the size of the hole will be just right for the money of the hole for yourself and the amount of electricity. >>>More
6 inches are already 20cm, which is theoretically possible. However, the exhaust fan can only be put in the exhaust port, and you have to consider the problem of fixing, so it is recommended to buy a smaller one.
1. It cannot be installed, that is, the size of this opening is a little smaller. >>>More
Engineers have to leave a lot of leeway when designing, and it doesn't matter if you play a little bit. It is better not to make holes in the beam, which is more serious than hitting that little groove.