Villa staircase slope is generally how much?
First of all, the stairs can not be used to "slope" to express.
The design requirements for the indoor staircase are that the width of each step is not less than 220 mm and the height of the step is not less than 200 mm.
but it is not very convenient to use, especially at home Old people; from the use of comfort to get words, step width to do 25-28 cm more appropriate, step by step to do 15-18 cm
In accordance with national standards, the villa's indoor staircase step width of 22 cm minimum, stepping up to no more than 20 cm, according to the slope of this approach close to 45 degrees, although you can save the stairs of space,
