This is an open tread, on an "over the post" rail design.
ANATOMY OF A STAIRCASE:
Click on a component name below for a description and material choices.
Anatomy common to any staircase design:
Rail (and rail
fittings)
Newels
Balusters
Treads
Skirts and Risers
Both of these photographs display a partial tread with the walk path carpeted (or soon to be), full hardwood treads (not shown) also qualify if specified in either of these design anatomies. These two photos also display an iron baluster, which with any design is also possible with any wood baluster.
Anatomy specific to an open tread design:
This is an open tread, on an "over the post"
rail design.
This is an open tread on a "post to post"
rail design.
Anatomy specific to a curb wall design:
Both of
these photographs show a fully carpeted staircase.
The use of full or partial hardwood treads with a curb wall design is
possible.
This is a tall curb wall "over the post" design
This is a short curb wall "post to post" design
Codes and Safety Stair Design 3 Basic Styles Expediting an Estimate