Step Treads And Risers Dimensions
Regulated by building codes stair details specify the sizes of risers and treads stair widths the placement of handrails and guardrails and construction methods for fabricating stairs.
Step treads and risers dimensions. Similarly handrails must be between 34 and 38 96 52 inches high measured from the top of the treads with a diameter between 1 25 inches 3 18 cm and 2 675 inches 6 79 cm. This simple tread kit is the perfect solution this simple tread kit is the perfect solution to restore an old and worn staircase to a vibrant new shine. These dimensions may be useful when laying out a staircase or if you have general questions about the size and shape of a traditional tread or a retro tread. Open riser stair treads should be to 9 1 4 in depth and will typically be greater at shorter stair riser heights.
One on each side and. Stair details refer to the standard requirements for each of the various components of a flight of stairs. Standard stair tread dimensions. Without affecting the existing staircase structure these treads and risers are installed directly over top of the existing stairs.
A stair stringer is a structural member that supports the treads and risers of a staircase. Typically there are three in a staircase. This is the surface that the user steps on. Risers can either be enclosed or left open as in deck stairs or basement stairs.
Summarizing proper stair dimensions for open riser stairs. Open riser stairs shown at right in the sketch above do not include a solid board or other material that fully encloses the open space between stair treads. The tread is the horizontal section of each stair sometimes called the run.