In two-level apartments and in houses where there are more than two floors, ladders are necessary for the message between floors. Among set of various options of ladders the most effective and popular – screw designs. They can be seen also in ancient buildings, but still they remain excellent architectural concept for interior. Spiral staircases have the merits and demerits which should be considered during the choosing and acquisition of these designs.
Features of spiral staircase
Spiral (spiral) staircases, smoothly coiling along the basis down, connect several levels of the building. The rod, column or column is the central part of such ladders, steps are attached to it on spiral, and their second end fastens to load bearing wall. Sometimes the wall becomes support of steps only. In this case in the center there is space that looks stylish and effectively.
The plant of metalwork and also the company on production of designs from metal can offer services in production of spiral staircases.
Screw designs make of various materials: metal, tree, stone, concrete, glass. The tree and metal are most popular from them. Different combinations of these materials are in addition possible. Among them metal stone, metal tree and metal-concrete are most most popular. Use of different materials allows spiral ladders to show the interesting stylized decisions and various forms. The design of spiral ladders in many respects depends on different forms of steps and their ways of fastening.
At rise on spiral staircase by the person makes turn in space more than 360 °. The similar construction is not recommended for serious loading, more it plays decorative role.
Construction features of spiral ladders demand height of step of 19 cm (at least). And 15-18 cm are considered the most convenient height. And therefore, if it is necessary to go on ladder often and many or if in the house there live elderly people, it is better to choose practical mid-flight ladder though the last is not so economic and beautiful.
Advantages of spiral staircase
The main advantage of spiral staircase - its compactness. Unlike rectilinear designs, she does not demand allocation of the big area and allows to save several square meters. The spiral product will help to connect the large room to the attic, the first floor or small penthouse. The free space can be used effectively, and the house will become more spacious. It is especially relevant for housing which size of the area is reached due to the number of floors and also for small-sized houses. One more advantage of spiral staircases is romantic component. Thanks to this design your dwelling will change and will take original, improved and even mysterious form. The similar element in interior will bring enchantment and ease in the atmosphere. Besides, it will please your look with the esthetics and grace of smooth lines. The third advantage of this design in your dwelling - its originality. It is capable to become main ""highlight"" of interior from which it is possible to make a start when planning design of the house. Besides, to you will be what to brag to the guests, the spiral ladder is available not for all. The main thing that it harmoniously fitted into the general style of your house. The similar element of interior is ideal for you if the design of the house is sustained in classic style. Important advantage of screw design - its rather inexpensive price. In particular, the simplest models of metal spiral ladders cost little enough. On the other hand, wooden spiral staircases can be made of valuable breeds of wood - for example, of mahogany. Similar products will decorate with themselves the house and will emphasize respectability of the owners. Methods of installation of spiral ladder are rather simple. If desired it is possible to save significantly on installation works and to collect this design independently. For this purpose it is necessary to acquire set of different elements and, being guided by the instruction to product, to mount spiral staircase. Also you can construct spiral staircase the hands. It is previously important to execute all calculations of its sizes correctly.
Shortcomings of spiral staircases
The spiral staircase has also essential shortcomings. Because of the increased distance between steps and also the area of the step decreasing closer to column there is risk to stumble on ladder and to be traumatized. In most cases width of steps on normal ladders pays off proceeding from reason that all foot of the adult has to be located on it. On screw design this rule is not followed: if steps on the outer edge are more or less wide, is closer to column they are narrowed. So, the leg can easily slide off step. Because of the increased injury risk it is undesirable to families with small children to get spiral ladders. Kids like to run on ladders, and it is incompatible with spiral designs. At rise and descent on such ladders it is necessary to be extremely attentive and very careful and also to hold hand-rail. The difficult rotary geometry of spiral staircase and uneven width of steps will hardly be pleasant not to really healthy and elderly people. In addition, if you also often go down or rise run, it is also not necessary to stop the choice on spiral ladder. If quickly on it to go down and at the same time not to hold on to the banister, it is possible to suffer serious injury. It is necessary to consider also that on spiral ladder you will not be able to transfer heavy objects. The screw design is suitable more for the quiet people appreciating regular life who rise by upper floors not too often.