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Staircase Terminology
1 STRING
Routed timber stringboards, treads and risers are slotted in. The top section can be cut for open string.
3 RISER
The vertical timber between each tread. This can be missing, it is called an open plan staircase.
5 HANDRAIL
Handrails are fitted between the newel posts and is where your hands are placed.
2 TREAD
Horizontal timber treads. This is the part you step on. Usually 22mm thick.
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.
6 SPINDLES
Spindles are fitted between the handrail and baserail. These can be square or turned.
