According to national regulations, what is the height of the safety guardrail?

Balcony railings should be set to prevent children from climbing. The uprights of railings should be gradually close together, and should not be greater than 0.11m. Where vases are placed, anti-falling measures must be taken. The height of balcony railings in one-storey and multi-storey residential buildings should not be less than 1.05m, and the clear height of balcony railings in general high-rise residential buildings should not be less than 1. 10m, and balcony railings are generally closed.