The staircase connects the floors and is the center of the building. It is made of wood, metal, concrete or can be combined.
Features of the installation of stairs
The first stage of work is the creation of a suitable project. When determining the location of the stairs, consider:
the shape of the room;
location of windows and doorways;
type of floor coverings.
Next, measure the distance from the floor of the first floor to the floor of the second, as well as the width and length of the opening in the ceiling. The result depends on the accuracy of the measurements, so it is very important that they be done by a specialist.
After that, the optimal model is chosen and its main elements are calculated, the purpose of which is to ensure comfort during the operation of the product.
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Types of stairs
Stairs come in three main types:
Marching — straight, rotary, L‑shaped, U‑shaped, combined. Consists of one or more marches that make up the system.
Screw. It consists of triangular or trapezoidal steps, whose sharp corners are directed towards the center. Such a ladder is compact, but not very convenient to use.
Combined. Several of its marches are connected with winder steps.
The staircase consists of the following elements:
The step is the main horizontal part of the structure, the foot steps on it. The length determines the width of the entire staircase, a comfortable width should not be less than 25–30 cm so that the adult’s foot fits completely on it.
Riser — supports the step, located vertically. To make climbing stairs comfortable, the height of the riser should not exceed 15–20 cm.
Kosour — a power element in the form of a board with triangular cuts for a step and a riser, forming an angle. With its help, a staircase is formed, open from the sides.
A bowstring is a power element in the form of a board with grooves.
Railings and balusters enclose the stairs from the sides.
To make the stairs comfortable, the slope of the march should be 30–40 degrees.
When calculating the stairs, they use a simple algorithm. The number of steps is calculated: the height of the ceiling is divided by the height of one step. Steps are usually one less than risers. Step width: The length of the flight of stairs is divided by the number of steps.
Staircase is an expensive building. But, made to order by specialists, it will ideally fit into the interior, be comfortable and safe, and serve more than one generation of home owners.