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Stair Parts Dictionary
A glossary of the most important stair parts.

Stair Parts Dictionary
starting steps  Starting Steps
The first tread and riser at the bottom of the staircase.
See all Starting Steps
newels  Newels
The major support posts for the balustrade system. Larger and heavier than the balusters, newels are located at the bottom and top of a staircase and at turns and critical support areas of balcony rails.
See all Newels
risers  Risers
The vertical component of a stair which supports the tread.
See all Risers
treads  Treads
The horizontal portion of the staircase upon which you walk.
See all Treads
balusters  Balusters
The vertical posts which support the railing of the staircase. The term “balustrade” refers to the baluster and rail system.
See all Balusters
fittings  Fittings
The stair parts used to form a smooth transition when the handrail changes height or direction. For example, starting a balustrade (volute, turnout, starting easing), at a landing (gooseneck) and at a balcony.
See all Fittings
handrails  Handrails
The horizontal or rake member of a balustrade system. It sits on top of the balusters and is supported by newel posts.
See all Handrails