The oldest and most common staircase is marching stairs. Usually they are made on scums and bowstring. The steepness of the rise of such stairs is in the range of 30 … 45 degrees. They are used where there is a lot of free space. Marching stairs occupy a significant area, so if the room has a need to save a place, it is better to choose a staircase of another structure. During the installation of marching stairs, it is necessary to put on overalls intended for construction work.
The design of the stairs using braids and bowstring allows you to achieve maximum strength of the product with a minimum number of compounds. The marches of the stairs can be straight and curved. Stair stairs are made in the places of turns of the stairs. They are rectangular, semicircular or square shape. Typically, the stairs turn are provided at 45, 90 and 180 degrees. There are structures of stairs with a division of a march into 2 branches.
Materials for the manufacture of marching stairs are different. For public buildings, stairs are used with a decoration of stone, concrete, glass and metal. Wooden stairs are more suitable for residential premises, like the most environmentally friendly material. The modern market provides an almost unlimited selection of various designs of marching stairs made of such types of wood as pine, larch, oak and various valuable species.
