The basic forms of staircases are the same, by the inclusion of new materials and innovative construction systems, many and varied are the solutions for stairs, often giving the character of the protagonist in the room where they are set. There are three types of ladders:
- Straight staircases – There are many variants available in straight, for example, simple stairs with only one section with or without intermediate landing, while others formed by several straight sections changing direction in the intermediate landings.
- Curved Staircases – The curved stairs allow different combinations: round, oval, elliptical, semicircular. Within the circular stairs, Thestaircompanyuk includes radial path in its steps, although the shape of the box is rectangular. Circular stairs that define a complete circle in their development and have no central eye, called spiral stairs; are stairs bit wide (between 0.50 and 0.70 m), with the drawback that they are very uncomfortable to descend.
- Contemporary staircases – Within mixed stairs should be avoided where there is a sudden change in the combination of the straight sections with curved; surely it is done on the straight section to the curved to achieve a gradual you step. In this type, there are stairs to 180. (swing) and 90 ° turn (a quarter turn).
The stairs should provide safety and comfort; It is important to consider the materials from which the steps are covered, make it non-slip surface to prevent slipping or present a smooth surface without bumps. When the ladder is located outdoors, it is used a metal grid or a similar surface to clean the soles of shoes because it is better to place it in front of the stairs before the door of the house. It should be noted that during winter ice can cause slips. To avoid giving rise to toe in the riser and to increase surface, usually left excel fingerprint or entering the riser.
Handrails and railings
Stairs up to four steps you do not need to place rail; when the ladder of five steps has a width of less than or equal to 1.25 m step., you must have a handrail on one side. Staircase 1.25 m. and 2.50 m. Wide, you must carry handrails on both sides. The stairs more than 2.50 m. Width should be divided with an intermediate rail. The rail height is measured vertically from the support surface of step (foot) to the support surface of the handrail (hand). The materials used for the handrail can be of wood, metal or plastic. In designing this element, continuity must be resolved to provide security all the way to the user.
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The design staircase illustrates the different implementation by companies. As it shows the relationships between design, innovation and business of small and medium enterprises. The more strategic is the design, the more likely its growth.