The height of staircase handrails , the state has formulated relevant regulations on this, "Civil Architectural Design Principles" issued a certain series of requirements for the interior decoration of the building to make a certain standard, the height of the stair railings relates to the daily walking safety of ordinary people. Question, following the small series to see the stair handrail height specification and stair railing installation precautions for your reference.
First, the indoor stair handrail height specification
The height of the interior staircase decoration is based on a basic standard of 90cm. Of course, this also depends on the actual situation. When the length of the stairs exceeds 5 meters, the height of the stair railings can be properly raised to 100 cm. In addition, if there are children in the family, for safety reasons, it is better to set the height of the stair railing to 100cm. 
Second, the height of outdoor stair handrails
When the height of the corridor is less than 24 meters, the height of the outdoor common staircase handrail should not be less than 105cm. When the height of the advancing space is more than 24 meters, the height of the outdoor staircase handrail should not be less than 110cm. 
III. Specification of stair handrails for children and teenagers' activity venues and other public events
Stairs for houses, nurseries, kindergartens, primary and secondary schools, and children's and children's special events must adopt structures that prevent children from climbing. When using vertical rods to make stairs, the net distance between poles should not exceed 0.11m; culture, entertainment, construction, and business Services, buildings, sports buildings, landscape architecture and other places that allow children to enter the activities, when using vertical rods to make stairs, the net spacing of the bar should not be greater than 0.11m. 
Stair handrail installation precautions
1. Stair safety
The design of the escalator stairs cannot first of all lose the original function of the stairs in order to save space. It needs to satisfy the smooth passage, and the width and height of the stairs should be in accordance with the dimensions. In the entire design, safety also needs attention. The sturdiness, fire prevention, and weight must meet the basic requirements, and the links and handrail connections of the balustrades should be particularly stable. Finally, according to the direction of the stairs and the layout of the downstairs, the stairway against the wall is the most suitable for small units. 
2, the slope of the stairs
The slope of the stairs should not be too large. Not only the elderly and children should be considered. For ordinary adults also need special attention, in addition to the high wear parts of the stairs should also use a more solid material. 
3, the width of the stairs
The width of the stairs of the staircase should not be too large or too small. Consider the possibility of children collapsing. The brightest child's head does not go in, or there is enough width. In the stairway with crevices, consider the manner in which a woman wears a skirt and avoid embarrassing situations. The springboard of the stairs is best rounded, avoiding being too sharp and damaging to the footsteps. 
Edit Summary: highly regulated handrails on stairs and stair railing installation considerations to introduce here, and I hope this article to be helpful. If you still have something you don't understand, you can leave a message to Xiaobian at the bottom. We will answer your questions as soon as possible.
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