Help & Information

General Help and Information Page

Staircase Key Components

Physical Components that make up a staircase:

  1. Newel Cap

    Sits on top of the newel post for decorative effect

  2. Handrail

    Follows the staircase up, and is where people place their hands and is grooved out for spindles to sit into

  3. Newel Post

    A substantial post that the handrail goes into on the staircase usually 90x90mm, can be either left at full height, or cut short for a newel turning to fit into

  4. Treads

    Horizontal timber, usually 22mm in thickness, however are made thicker for open riser stairs

  5. Spindle

    Also known as balusters, these go between the handrail and base rail to stop you falling through, these are usually 41x41 mm, these are either square(sometimes fluted), or turned

  6. Bottomrail

    Sits on top of the string of landing and is grooved out for spindles to sit into

  7. String

    Routed out timber usually 220mm in width and 32mm thick, treads and risers are slotted in, the top section can be cut away to create a cut string stair case.

  8. Risers

    Vertical timber, usually 9mm thick, these are not mandatory, when missing the stair is called and open riser staircase


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