How to do light steel keel ceiling light trough

1. Use an electric drill to make a big eye in the ceiling.

2. Nail a thin wooden stake into the pile hole to fix the wooden keel.

3. Use 20 * 20 wood to make a 300 * 300 wooden keel for fixing gypsum board 4, if you want to place the hole lamp, then you need to hang a little thicker, such as between 150 and 200, the side façade top gypsum board, and if a lot of ash is accumulated, this is normal, such as when nailing gypsum board, gypsum board will fall off some, even if the master cleans up, it can not be cleaned.

5. Clean it up, close the side façade of the ceiling, and it will be difficult to overhaul the line, change the transformer, lamp cup, etc., or be empty.

A height of 200mm is OK.

The height control here is such that the higher you are from the ceiling, the dimmer the light is, but the area where the light expands is larger; The closer you are to the ceiling, the brighter the light is, but the expansion area of the light is smaller.

So, appropriate is fine.

You don't know what the boom is.

If it is a suspended ceiling, the surface can be seen as a flat surface, and the rods (wood or light steel keel) of the ceiling are hidden in the flat roof (gypsum board) and cannot be seen.

The same is true for light troughs, which can hide the tube or light rope.