Parts

Balusters
The smaller posts fitted between the stair and the handrail, usually decorative, and in timber or steel.

Bullnose Step
The step at the base of a stair which usually has a protruding semi-circular end

Capping
The piece of timber that forms the edge or border for the carpet or other floor coverings, located at the edge of the floor on the upper level

Closed Stair
A stair that has treads and risers

Cut Stringer
Stringers that are cut to follow the profile of the stair on the open or balustrading side. The treads overhang the cut stringer and quite often decorative tread brackets are fixed to the face of the stringer under the tread nosing.

Handrail
The shaped or moulded piece of timber you hold on to as you walk up or down the stair. 

Handrail Scroll
The decorative handrail piece at the start of the stair that curls around and sits above the bullnose step

Handrail Wreaths
The sections that curve around corners to form a continuous handrail

Landing
The flat platforms usually located where a stair changes direction.

Newel Posts
The larger square posts at the start and the corners of a stair. They are usually turned, fluted, panelled or decorated in some way.

 Open Stair
A stair that has no risers

Risers
The vertical pieces which are the solid infill between the treads

Stringers
The main beams that support treads and risers

Tread Bracket
The decorative pieces that fit to the face of a cut stringer in the more traditional type of stair

Tread Nose
The rounded leading edge of a step

Treads
These are simply the steps you walk on

Winder Steps
The triangular treads used to change the direction of the stair, usually around right-angle corners

Additional Parts