Nosing

Definition

Nosing refers to the projecting forward edge of a stair tread, the part of a stair tread that projects over the riser, or any similar projection; it is typically rounded.

Purpose

Nosing provides additional surface area on stair treads, improving safety by reducing the risk of slipping and increasing visibility. It also enhances the aesthetic appeal of stairs by adding a finished edge.

Examples of Use

• Staircases: Applied to the edges of stair treads in residential and commercial buildings for safety and appearance.
• Safety Steps: Used on steps in public buildings and facilities to improve visibility and reduce the risk of tripping.
• Decking: Installed on the edges of outdoor stairs to provide a finished look and additional grip.

Related Terms

• Tread: The horizontal part of a stair where the foot is placed.
• Riser: The vertical part of a stair between treads.
• Staircase: A series of steps leading from one floor to another.

Notes

• Materials: Nosing can be made from various materials, including wood, metal, rubber, and plastic, depending on the application.
• Installation: Proper installation is crucial to ensure nosing is securely attached and provides the intended safety benefits.