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Anonymous users2024-01-24The first difference is that the single-layer keel ceiling refers to a ceiling structure in which the bottom surface of the large keel and the middle keel is in the same horizontal plane. Double-layer keel ceiling refers to a ceiling structure with a layer of small keel nailed under the large keel. Generally, the double-layer structure can be load-bearing or on-the-top.
The difference is two, the double-layer keel can be used as the master's keel, and the single-layer keel can not be used as the master's keel, that is, the load-bearing capacity of the two is different, and the double-layer keel is generally used in shopping malls and other ceilings to arrange pipes and lines, and the master's keel is usually used to facilitate maintenance.
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Anonymous users2024-01-23If you don't care about the cost, no matter how thick a single layer is, it is not as good as a double layer of 9 mm thick gypsum board.
The flatness of double-layer gypsum board is better, and it is not easy to crack if the construction is good.
The double-layered ones are better. The sound insulation effect is better
The current balcony generally considers the anti-cracking requirements, and it is recommended that it is more suitable to be equipped with a double two-way street.
Living room curtains will generally choose double curtains, a layer of cloth, a layer of yarn, during the day can be opened the curtain, close the curtain, to ensure that there is sufficient light in the room, and the curtain can block the strong light directly into the room, and the curtain can also block mosquitoes.
When you say single and double, you mean one-piece bricks and glazed tiles, right? Of course, the one-piece brick is good. The glaze of the glazed tile will be worn off, revealing the color of the underlying base layer. >>>More
The size of the microwave oven is generally 60 long, 38 wide, and the height is selected according to the needs of two, three, four, and five layers! It is taken into account in the product design, don't worry about this, if you like double-layered, then you will bring double-layered.