ball joint handrails is member located at the top of the railing or railing and the side walls of the stairway for people to climb and support. Its form and selection of materials must not only meet the requirements of people's climbing and support and a comfortable feel, but also meet the requirements of being a decorative component. Commonly used hardwood, plastic, reinforced concrete, terrazzo, marble, metal profile production. There is no uniform standard for its form, and the specific method is determined by the detailed construction drawings.
The handrail installation method is relatively simple. Wooden handrails are generally fixed on the flat steel on the top of the railing with wood screws; plastic handrails are clamped on the flat steel on the top of the railing by virtue of its flexibility; and metal handrails can be directly welded with metal rods. The structure of commonly used handrails is shown in the picture on the right.