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Anonymous users2024-01-24It is generally hollow, not vacuum, and it is dehumidified and has a desiccant.
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Anonymous users2024-01-23In order to insulate heat and sound, the vacuum effect of double-glazed glass is of course the best, but that is only a theoretical situation, and the actual situation is certainly not a vacuum. But the effect is still there.
The actual situation now is generally double-glazed, and there are few really hollow ones. For general household use, double glazing is enough for ordinary needs. Of course, vacuum is better – but the high price is a big problem again!
Look at whether your house has a thermal insulation layer treatment, this is one thing, and there is whether your house is a full frame, or a board wall, or a brick-concrete structure, if it is a full frame, the hollow brick doors and windows are double-layer insulating glass, it is more insulating and so on, and so on.
Please consider installing double windows! The sound insulation effect of insulating glass is 25 decibels, and it is generally about 75 decibels on the side of the road, with an average of 50 decibels, and it is normal for people to sleep poorly. >>>More
The so-called vacuum middle layer is not a vacuum, but an inert gas is rushed into the middle layer.
No, because the ultraviolet rays in sunlight cannot penetrate glass. >>>More