Terminology

1. Load Bearing Bar

A load bearing member spanning between supports.

2. Transverse Bar

A member fixed perpendicular to the load bearing bars.

3.Binding Bar

A bar or section fixed to the edge of a flooring panel flush with the top of the load bearing bars.

4. Deep Binding Bar

A bar section, of greater depth than the load bearing bar, fixed to the edge of a flooring panel and projecting below the underside.

5. Length (Direction of Span)

The overall dimension of a flooring panel parallel with the load bearing bars. (this dimension is always referred to as ‘length’ even if it is shorter than the width).

6. Width

The overall dimension of a flooring panel measured perpendicular to the load bearing bars.

Terminology

7. Pitch

The distance centre-to-centre of load bearing bars or centre to centre of transverse bars.

8. Serrations

Notches formed in the top surface of the load bearing bars to improve slip resistance.

9. Nosing Bar

A slip resistant member attached to the front of a stair tread or flooring panel.

10. Toe Plate (Kick-Plate)

A flat bar welded to a flooring panel projecting above the top of the load bearing bars.

11.End Plate

A plate welded to a stairtread for fixing to a stringer.

12. Curb Angle

A rolled steel angle (RSA) fixed to concrete to support flooring.