Often chosen in order to match specific space-related needs, spiral stairs represent an outstanding scenic element in interiors. Within a little space, they connect two different floors or environments in a house. They can lead to a loft, an attic or a terrace carved out from the roof. They are also beautiful to look at and of practical installation and, besides offering a valid solution to reach the floors upstairs, they guarantee a noticeable aesthetic impact to the environment where you choose to install them. If they are used as a space-saving solution, spiral stairs normally feature a circular plant, however there are also those with a square plant, ideal to exploit the corner spaces to the best. The thickness of the steps and size of the structure can vary based on the staircase diameter, normally included between 100cm and 300cm. With an aim to always guarantee a comfortable climb up and down, it is recommended to consider a width of at least 70 cm.
One of the first choices to make if you are starting considering the install a spiral stair is the configuration. What makes the shape of such functional furnishing elements are definitely the steps; rounded in round spiral staircases and angular in square spiral staircases. Compared to the round spiral staircase, the step of the squared staircase turns out to be more spacious and comfortable and makes full use of the corners of the walls of the house. More concretely, rounded spiral staircases are overall less wide and their stairs have a smaller surface. They also have the advantage that they are really slim and able to fit in any corner of the house, even the tightest ones, and offer a beautiful visibility. Square spiral staircases, instead have a fine aesthetics performance and a greater width. This allows the stairs to be more comfortable when climbed, in change of some extra meters required for their installation. In this case the choice depends on how much space is there available and what priorities are to be met first, weather to take up a limited space, or to have a wider and more comfortable step.
Besides being used as indoor staircases, spiral staircases are also used in external spaces, for instance in the case of seaside villas, in order to connect the garden with a terrace above. The main properties of an outdoor spiral staircase are the high degree of resistance to weather conditions and their steadiness while being climbed. As a matter of fact it is important to pay special attention to the steps surface finishing, so to make them anti-slip in all weather conditions and to complete it with a well-fixed handrail. Being installed outdoor, aesthetics need to be taken care of in this case too. The staircase should indeed tie in perfectly with the building façade.
The most popular version of spiral staircases is made of a metal central axes and wooden steps. Aside from the decorations of such elements which are most of the times customizable, this material represents the market standard in terms of the of materials combination. Wooden spiral staircases are certainly the most suitable for the most classic and rustic style environments, however, they also find the right place in modern homes. By combining materials such as glass and metal or choosing essences such as birch or beech plywood for the steps, it is possible to get a "Nordic" and minimalist outcome. In addition to style, the performance of wood has nothing to envy to materials such as steel or glass and does not demand special maintenance. Especially in smaller apartments, however, it is good to avoid excessive decorations and prefer minimal models made of glass or metal. High-tech spiral staircases combine a steel structure and steps made of molded aluminum sheets, with non-slip function. In an old house, on the other hand, the ideal solution is represented by cast iron or wrought iron, a solid and very ductile material. A perfect match for modern spaces is given by glass spiral staircases that exploit the natural light to the maximum degree. The combination with steel elements is one of the most popular; the metal handrail draws an elegant and discreet line that highlights the sinuous curve of the staircase and adds solidity to the structure. Having surpassed its purely structural function, concrete spiral staircases become an architectural element. Extremely solid but with a sinuous appearance, they are available in prefabricated versions that can be customized by installing various models of handrails or LED lights. Less demanding than glass or wooded spiral staircases, but with equally seductive shapes and certainly more practical in cleaning, technopolymer spiral staircases are also an option to be considered. This plastic material with great mechanical resistance lends itself to sparkling colors, and thanks to its resistance to water and light, it is also perfect for outdoor use. Natural stone spiral staircases are also very in vogue; with an attractive design, they perfectly blend into the surrounding environment, whether it is a villa or an apartment in the city center.
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