Free service calculation of building materialsCalculation of ladders with three spans and smooth landings
Calculation of ladders with three spans and smooth landings
Enter the required dimensions in millimeters
X - length of opening
Y - The height of the opening
E - Width of stairs
F - Tread Overhang
Z - The thickness of the treads
A - Number of steps on the upper bowstringB - The average number of steps a bowstring
C - number of treads on the bottom closed
SP - Determine the position of the first degree relative to the level of the floor of the second floor.In the first situation of upper stage located at the level of the floor of the second floor.
In the second case, the floor of the second floor is the last step. The height of the stairs will be proportionally reduced
The program automatically calculates the height and width of steps, the angle and the dimensions of the upper, middle and lower strings.
For optimal convenience stairs change number of steps.
You can generate a black and white or colored drawing.
Stair width is the width of the stairs swinging site.
Author of the project: Dmitry Zhitov
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