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Baluster/Spindle - the vertical member, plain or decorative,
that acts as the infill between the handrail and base rail (or
tread if cut string).

Balustrading - the collective name for the complete assembly

of handrails, base rails, newels, spindles and caps.


Bullnose Step - usually at the bottom of the stairs with one or

both ends of the step having a quarter circle design.

Closed String - a string with the face housed/trenched to

accommodate treads and risers so their profile cannot be seen.

Continuous Handrail - using straight lengths of handrail

connected to handrail fittings and ramps, the handrail flows over

the tops of newel turnings creating a continuous run of handrail.

Curtail Step - a decorative shaped step at the bottom of the

stairs usually accommodating the volute and volute newel

turning of the Continuous Handrail System.

Cut or Open String - a string with the upper edge cut away

to the shape of the treads and risers so that their profile can be

seen from the side.

Going - the going of a flight of stairs is the horizontal distance

between the face of the first and last risers. The individual

going of a step is measured from face of riser to face of riser

and for domestic use should be a minimum of 220mm.

Newel - accommodates the strings, handrails and treads/risers

of stairs.

Nosing - the edge of the tread projecting beyond the face of

the riser and the face of a cut string.

Riser - the board that forms the face of the step. The

maximum individual rise for domestic flights is 220mm.

Staircase - the entire structure relating to a stair, comprising

steps, treads, risers, strings, balustrading, landings etc.

Stairway/Stairwell - the space/void provided for the stairs.

Stelten - Stelten is the Handrail Fixing we use on our Staircases 

Stelten is Short for Steel Tenon 

Step - the tread and riser combined.

String Margin - the distance between the top of the string

and the pitch line measured at 90° to the pitch line.

Tread - the top or horizontal surface of a step.

Volute - The detail like a Scroll at the entry of a handrail, sometimes called a Monkey's Tail, - New Ascending Volute 

Wall String - the string of a staircase fixed flush with a wall.


Winders - are radiating steps narrower at one end that are
used to change the direction of a stairs through 90° or 180°.

Pitch - the angle between the pitch line and the horizontal.

Pitch Line - the notional line connecting the nosing of all

treads in a flight of stairs.

Rake - the pitch of the stairs.

Rise - the rise of a flight is the vertical distance between the

floors or landings connected by the flight. The individual rise is

the vertical measurement from top of tread to top of tread.

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Some more handy words to get you sounding like a pro...
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