Glossary Of Staircase Terms - I To Q
If you are planning on building or buying a staircase it is important that you understand the terminology that contractors and material suppliers will use.
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Detailed information on how to construct a staircase.
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The 2x4 wood member located at the base of the staircase stringers which are notched to accept the member. |
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Ladder |
The designation for a staircase in which the slope exceeds acceptable rise and run requirements. |
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A horizontal platform located between the upper and lower floors. Generally utilized to accomplish a change of staircase direction. |
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A staircase that makes a 90 degree turn. |
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Mortised Stringer |
A stringer in which recesses have been cut to accept treads and sometimes risers. |
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Newel |
A large vertical member to which the handrail is attached. Newels supply the structural support for the balustrade. Primarily used on staircases that do not have walls surrounding them. |
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Nosing |
The part of the tread that overhangs the face of the previous steps riser. |
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Notched Stringer |
A stringer that has been cut out in saw-tooth pattern to support treads and possibly risers. |
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Open Riser |
A staircase in which the vertical space between stair treads is left open. |
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Over-the-post Railing |
A balustrade in which a continuous handrail is attached to the tops of newel posts. |
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Pinned Baluster |
Manufactured balusters with wood dowels (pins) protruding from the base that are designed to fit into holes bored into the treads. |
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Pitch Block |
A triangular piece of wood with sides equal to the rise, run, and slope of the stairs. It is used as a drill guide when constructing the underside of a handrail. |
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Platform Stairs |
Stairs built without the use of stringers for low decks and patios. |
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Post-to-Post Railing |
A balustrade that has the handrail cut to fit between newel posts. |
