We describe how to design the stairs to the house.

The staircase in the house - it's not just a beautiful design attributes, but also one of the important major functional elements of the interior.

An important design element of the stairs to the house is a stage. Qualitatively designed stage will become a guarantor of security for your loved ones.

Before we begin to count the size of steps of the staircase, you must learn the basic requirement to detail:

• all steps should be the same size and the same height, even a slight deviation from the norm can spoil the whole picture at the top of the march;
• limit the number of steps in one march is recommended to do no more than 15-18, the allowable minimum - 3 steps;
• before designing is necessary to calculate the angle of inclination of the ladder, the optimum angle - 30 ° from the floor surface, a maximum - 40 °;
• step width and tread must comply with the usual step width of a man, it will rely on the whole foot as a whole, not teetering on the edge of the plates.

Directly classic formula for calculating direct steps stairway to the house is easy:

a = 45 - b, where a - strap width, b - the height of the riser and the stationary value of 45 represents a perfect sum of these two parameters.
In some cases, the last parameter is increased up to 57-64 cm, defining them average human step width, in this case the formula is as follows: a = 64 - 2b. This calculation is often used when counting the classic types of ladders for home, namely single and mnogomarshevye.

On average, the width of the riser is 14-17 cm, but not more than 20 cm, otherwise the walking person will be very tired. However, the most comfortable stair tread width Summer is a parameter equal to 28-30 cm, but not less than 25 cm. Otherwise when running leg will slip, which will increase the risk of falling from a height, and rather big.

To calculate the winder and rotary stages such formulas are suitable only partially. With their help, we can calculate the step width in the middle of it. Strap width at the minimum point should be equal to or greater than 10 cm, and the dimensions of the helical staircase steps at the outer edge are defined according to their desired length.

Counting size ladder steps, you must consider another point. During the construction, the bar, to which we are advancing, should act on the riser of one or two centimeters. In this case, in a hidden bottom of the stage is narrower than the front. This nuance does not significantly affect the calculation, however, it is important during installation.

And finally, a few words about security. When designing, pay attention not to the compact ladder lift parts, and their comfort and safety. At some point, it will help maintain your health.

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