Información importante sobre cookies:
Utilizamos cookies propias y de terceros para mejorar nuestros servicios.
Si continuas navegando, consideramos que aceptas su uso.
OK |
Más información
In the step of a stair, the tread or horizontal part of the step should be a little more than the length of a person's foot. Its length should be between 30 and 35 cm. A tread length of 32 cm for a stair is considered comfortable.