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No, the current design is very conservative and stable. This load is not a problem for the slab. A hole depth of five centimeters will not affect the waterproofing. As long as the embedded pipeline is not hit during the construction process and the installation is reliable, it is fine.
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No, it won't. The standard is meant to do so. The main purpose is to fix the wooden keel around the perimeter, otherwise the nail will be unstable when hit directly into the wall.
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It's okay, and the depth is only five centimeters.
This kind of lamp is usually called a bull's-eye lamp verbally. >>>More
The light trough around the living room is a simple suspended ceiling. >>>More
Accomplices start by looking at the height of your ceiling, so that they can answer you accurately, you say yes. On weekdays, the ceiling has 15cm, and the built-in lamps are more beautiful. And spotlights and downlights are both recessed and surface-mounted, so the key is determined by the height of your ceiling and your hobbies.
Yes, if there are steps, it counts!
Of course not, the entire roof has to be hung, only around the hanging, which is to communicate with the designer in advance.