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;

  • room dimen­sions;

  • 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.

Cal­cu­la­tion fea­tures

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.

Source: TopClimat.ru