On the second floor of the house, between the bedrooms and the balcony are 2 4 meters high and 2 8 m

If you don't pity the RMB, it is recommended to make a lifting sliding door, lifting the sliding door with a width of meters, high meters, enough light transmission; It is recommended that the main material should be made of solid wood or aluminum wood, and the aluminum alloy surface can be of any color, and the wood grain color is beautiful enough; It is recommended to use low-e6 (glass thickness) + 20A (air layer thickness) + 6 (glass thickness) glass with louvers inside, talking about privacy, active louvers are enough to ensure everything. Recommendation.

Make a floor-to-ceiling sliding door, with a layer of gauze curtains inside, which generally meets your requirements.

The same can be done inward tilted sliding door, this airtightness is better! There are a lot of colors to choose from, aluminum-wood is really not recommended, there are a few that are really perfect, or use aluminum alloy insurance, fluorocarbon spraying or powder can make a lot of colors! low-e6 (glass thickness) + 12A (air layer thickness) + 6 (glass thickness) is enough, not the thicker the air layer, the better!

Aluminum alloy glass door, four will do. If you want to keep it private, it's easy to install curtains, and if you have a little money, you can use glass film. There is a kind of membrane that can't be seen from the outside, but you can see the outside from the inside.

EACH FLOOR IS MADE OF 2 SHUANG DOORS.

glass with two layers.

One layer of transparency. One layer is opaque.