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The height from finished floor to finished floor.
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The vertical distance measured from the nosing to the ceiling above. The minimum headroom height is 6'-8".
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The board that gets notched for the risers and treads, and when the stairs are assembled it carries the stair system. Otherwise known as the "Carriage".
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Definition
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36" is the minimum width for a stairway.
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# of treads X size of tread.
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Definition
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The horizontal piece applied to each step. (the part you step on !)
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Definition
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The portion of the tread that extends beyond the riser. (allows for toe room when climbing the stairs.)
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Definition
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The grab rail applied to every stairway for safety. (34"-38"above nosings.)
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The vertical piece of each step.
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Definition
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The thickness that needs to be subtracted from the bottom of the stringer during stair layout.
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