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.

Staircase Components
Staircase Components

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