No sense in skimping when it comes to stair width. Larger people like stairs of ample width--no narrower than 36 inches and, in some cases, up to 48 inches. For safety’s sake, ...

A runner that covers more width on a narrow staircase, for example, can help make the stairs feel wider. For a wider ...

Minimum stair width is 3 feet, wall to wall, above the handrail, which must be appropriately placed, secured, and designed for grasp ability.

Alternating tread stairs are terrific for saving space; you only put one foot on a tread at a time, so why make it go full width?By only putting in half a tread you can go up at twice the slope ...

Category C Small semi-public spiral staircase intended to be used by a limited number of people, some of whom may be unfamiliar with the staircase, for example a spiral staircase in a factory, office, ...