1
STRING
Routed timber stringboards, treads and risers are slotted in. The top section can be cut for open string.
2
TREAD
Horizontal timber treads. This is the part you step on. Usually 22mm thick.
3
RISER
The vertical timber between each tread. This can be missing, it is called an open plan staircase.
4
NEWEL POST
A timber post that the handrail goes into on the staircase usually around 90x90mm, can be either square or bored for a newel turning to fit into.
5
HANDRAIL
Handrails are fitted between the newel posts and is where your hands are placed.
6
SPINDLES
Spindles are fitted between the handrail and baserail. These can be square or turned.