Treads are neatly and securely attached to
the center column and provide the way to the top. Unsightly
hubs, bolts or nuts will not be evident. Metal treads are neatly
welded into place while wood treads are attached using concealed
bolts and nuts.
Tread materials come in a wide variety of metal and wood
types. A smooth plate step is used so carpet can be applied
to the surface with contact cement. Pan type treads are used
to hold concrete, terrazzo, tile, or marble. The pan tread
is also used to hold wood overlays for a combined metal-wood
Many standard tread designs are available to meet that special
job need or application.
Treads are cut in different widths to accommodate the exact
number of steps needed to complete the proper spacing for
exiting and entering the staircase. The standard tread size
is a 30-degree step that completes a circle in 12 steps.