What is the maximum outside diameter of a circular handrail?

The correct answer indicates that the maximum outside diameter of a circular handrail is 2 inches. This specification aligns with safety standards and building codes that are designed to ensure handrails are comfortable for users to grip while also providing adequate support.

A 2-inch diameter allows for a firm grasp by individuals, including those with different hand sizes, ensuring that they can maintain a secure hold while navigating stairs or ramps. Handrails that are too thick may hinder graspability and could present challenges, especially for elderly users or those with mobility issues.

Understanding these specifications is crucial for compliance with building codes and for promoting safety in residential construction. The engineering behind handrail design considers ergonomic factors that influence how safely and effectively individuals can use them. Therefore, adhering to the maximum diameter of 2 inches is essential for both functionality and safety.