Two kinds of building methods commonly used in duplex houses

Nowadays, a sophisticated duplex room type is very popular. For those owners who have higher picks and can add a loft, there is joy and sadness. The joy is that a lot of practical area is added, and the sadness is that the decoration has become more It is cumbersome, and the construction of the floor is very troublesome.

First, the premise of building an attic
1. Your house must have enough floors. In general, the lower edge of the floor of the new loft of a duplex house is level with the lower edge of the original floor. The lower edge of a single-story attic floor is not less than 2.6 meters. The net height of the attic floor and roof is not less than 2.4 meters, and the minimum is not less than 2.2 meters. This is based on the premise of having people living. If your loft is unreliable, then you can decide on your own height.
2. The span of the shortest two sides of the attic should not be too large. In the case of using channel steel construction, it is generally not more than 4 meters and the maximum should not exceed 6 meters.

Second, commonly used two kinds of construction method

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1, channel steel or I-beam structure

In general, the use of channel steel on the line, but the use of I-beam bending strength will be higher, of course, the cost will be higher, and I-beam space occupied by the greater height. The advantages of channel steel construction are fast, ready-to-use, no waiting. The disadvantage is that the loft made by the channel steel will have a certain amount of shaking sound when the person walks on it. The smaller the channel gauge, the louder the sound. The use of channel steel is a recommended practice.

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2, reinforced concrete poured

The practice of reinforced concrete is a civil construction method, but with additional conditions, it is required that the original wall has a steel plate interface with other structural reinforcements or other anchorage firmware, otherwise the weight of reinforced concrete is not a general support or fixture. Anything that can be fixed will pose a security threat. The advantage of reinforced concrete floors is that when a person walks on the floor, there is generally no sense of swaying and no sound (unless the floor is very thin). The disadvantage is that the floor slabs of cement are generally time consuming. After pouring, the pure maintenance time is A month or more, plus the previous construction time, there are two months before and after.

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